treewide: add meta.mainProgram to many packages

94 files changed, 157 insertions, 71 deletions

diff --git a/pkgs/applications/editors/oed/default.nix b/pkgs/applications/editors/oed/default.nix
index f4012220c50..a17199c2ff6 100644
--- a/pkgs/applications/editors/oed/default.nix
+++ b/pkgs/applications/editors/oed/default.nix
@@ -24,9 +24,10 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with lib; {
-    homepage = "https://github.com/ibara/oed";
     description = "Portable ed editor from OpenBSD";
+    homepage = "https://github.com/ibara/oed";
     license = with licenses; [ bsd2 ];
+    mainProgram = "ed";
     platforms = platforms.unix;
   };
 }
diff --git a/pkgs/applications/editors/vscode/vscodium.nix b/pkgs/applications/editors/vscode/vscodium.nix
index 41dfc3b1145..633688567ae 100644
--- a/pkgs/applications/editors/vscode/vscodium.nix
+++ b/pkgs/applications/editors/vscode/vscodium.nix
@@ -60,6 +60,7 @@ in
       downloadPage = "https://github.com/VSCodium/vscodium/releases";
       license = licenses.mit;
       maintainers = with maintainers; [ synthetica turion bobby285271 ];
+      mainProgram = "codium";
       platforms = [ "x86_64-linux" "x86_64-darwin" "aarch64-linux" "aarch64-darwin" "armv7l-linux" ];
     };
   }
diff --git a/pkgs/applications/emulators/commanderx16/emulator.nix b/pkgs/applications/emulators/commanderx16/emulator.nix
index d15c99d355b..d070c86eef8 100644
--- a/pkgs/applications/emulators/commanderx16/emulator.nix
+++ b/pkgs/applications/emulators/commanderx16/emulator.nix
@@ -29,10 +29,11 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with lib; {
-    homepage = "https://www.commanderx16.com/forum/index.php?/home/";
     description = "The official emulator of CommanderX16 8-bit computer";
+    homepage = "https://www.commanderx16.com/forum/index.php?/home/";
     license = licenses.bsd2;
     maintainers = with maintainers; [ AndersonTorres ];
+    mainProgram = "x16emu";
     inherit (SDL2.meta) platforms;
   };
 
diff --git a/pkgs/applications/misc/nanoblogger/default.nix b/pkgs/applications/misc/nanoblogger/default.nix
index e8fa4d4fd37..0ae63d210e7 100644
--- a/pkgs/applications/misc/nanoblogger/default.nix
+++ b/pkgs/applications/misc/nanoblogger/default.nix
@@ -25,6 +25,7 @@ stdenv.mkDerivation rec {
     description = "Small weblog engine written in Bash for the command line";
     homepage = "http://nanoblogger.sourceforge.net/";
     license = lib.licenses.gpl2;
+    mainProgram = "nb";
     platforms = lib.platforms.unix;
   };
 }
diff --git a/pkgs/applications/misc/oil-buku/default.nix b/pkgs/applications/misc/oil-buku/default.nix
index e0c05488288..5f895179f1f 100644
--- a/pkgs/applications/misc/oil-buku/default.nix
+++ b/pkgs/applications/misc/oil-buku/default.nix
@@ -38,7 +38,8 @@ stdenvNoCC.mkDerivation rec {
     description = "Search-as-you-type cli frontend for the buku bookmarks manager using peco";
     homepage = "https://github.com/AndreiUlmeyda/oil";
     license = licenses.gpl3Only;
-    platforms = platforms.unix;
     maintainers = with maintainers; [ atila ];
+    mainProgram = "oil";
+    platforms = platforms.unix;
   };
 }
diff --git a/pkgs/applications/misc/taskwarrior/default.nix b/pkgs/applications/misc/taskwarrior/default.nix
index 5a12380a4ff..56baa1e9d82 100644
--- a/pkgs/applications/misc/taskwarrior/default.nix
+++ b/pkgs/applications/misc/taskwarrior/default.nix
@@ -37,6 +37,7 @@ stdenv.mkDerivation rec {
     homepage = "https://taskwarrior.org";
     license = licenses.mit;
     maintainers = with maintainers; [ marcweber oxalica ];
+    mainProgram = "task";
     platforms = platforms.unix;
   };
 }
diff --git a/pkgs/applications/misc/translate-shell/default.nix b/pkgs/applications/misc/translate-shell/default.nix
index be2ee1e7a85..e46f5d2b8c1 100644
--- a/pkgs/applications/misc/translate-shell/default.nix
+++ b/pkgs/applications/misc/translate-shell/default.nix
@@ -33,6 +33,7 @@ stdenv.mkDerivation rec {
     description = "Command-line translator using Google Translate, Bing Translator, Yandex.Translate, and Apertium";
     license = licenses.unlicense;
     maintainers = with maintainers; [ ebzzry infinisil ];
+    mainProgram = "trans";
     platforms = platforms.unix;
   };
 }
diff --git a/pkgs/applications/misc/web-media-controller/default.nix b/pkgs/applications/misc/web-media-controller/default.nix
index 7e0fbb999f5..d2b5b924ea8 100644
--- a/pkgs/applications/misc/web-media-controller/default.nix
+++ b/pkgs/applications/misc/web-media-controller/default.nix
@@ -24,6 +24,7 @@ stdenv.mkDerivation rec {
     description = "MPRIS proxy for usage with 'Web Media Controller' web extension";
     license = licenses.unlicense;
     maintainers = with maintainers; [ doronbehar ];
+    mainProgram = "web-media-controller";
     platforms = platforms.all;
   };
 }
diff --git a/pkgs/applications/networking/cluster/bosh-cli/default.nix b/pkgs/applications/networking/cluster/bosh-cli/default.nix
index beedc41fa8e..069307c41e9 100644
--- a/pkgs/applications/networking/cluster/bosh-cli/default.nix
+++ b/pkgs/applications/networking/cluster/bosh-cli/default.nix
@@ -39,5 +39,6 @@ buildGoModule rec {
     changelog = "https://github.com/cloudfoundry/bosh-cli/releases/tag/v${version}";
     license = licenses.asl20;
     maintainers = with maintainers; [ ris ];
+    mainProgram = "bosh";
   };
 }
diff --git a/pkgs/applications/networking/cluster/fluxcd/default.nix b/pkgs/applications/networking/cluster/fluxcd/default.nix
index 3889082ec0c..21e2f00c3e2 100644
--- a/pkgs/applications/networking/cluster/fluxcd/default.nix
+++ b/pkgs/applications/networking/cluster/fluxcd/default.nix
@@ -66,5 +66,6 @@ in buildGoModule rec {
     homepage = "https://fluxcd.io";
     license = licenses.asl20;
     maintainers = with maintainers; [ bryanasdev000 jlesquembre superherointj ];
+    mainProgram = "flux";
   };
 }
diff --git a/pkgs/applications/networking/cluster/krelay/default.nix b/pkgs/applications/networking/cluster/krelay/default.nix
index f0a9912ab91..16e9203bf9c 100644
--- a/pkgs/applications/networking/cluster/krelay/default.nix
+++ b/pkgs/applications/networking/cluster/krelay/default.nix
@@ -27,5 +27,6 @@ buildGoModule rec {
     changelog = "https://github.com/knight42/krelay/releases/tag/v${version}";
     license = licenses.mit;
     maintainers = with maintainers; [ ivankovnatsky ];
+    mainProgram = "kubectl-relay";
   };
 }
diff --git a/pkgs/applications/networking/cluster/openshift/default.nix b/pkgs/applications/networking/cluster/openshift/default.nix
index bab73c41f5f..89bbd0cb7d6 100644
--- a/pkgs/applications/networking/cluster/openshift/default.nix
+++ b/pkgs/applications/networking/cluster/openshift/default.nix
@@ -60,9 +60,10 @@ buildGoModule rec {
 
   meta = with lib; {
     description = "Build, deploy, and manage your applications with Docker and Kubernetes";
-    license = licenses.asl20;
     homepage = "http://www.openshift.org";
+    license = licenses.asl20;
     maintainers = with maintainers; [ offline bachp moretea stehessel ];
+    mainProgram = "oc";
     platforms = platforms.unix;
   };
 }
diff --git a/pkgs/applications/networking/syncthing/default.nix b/pkgs/applications/networking/syncthing/default.nix
index e4088c3c460..9c50cb28ec1 100644
--- a/pkgs/applications/networking/syncthing/default.nix
+++ b/pkgs/applications/networking/syncthing/default.nix
@@ -45,6 +45,7 @@ let
         changelog = "https://github.com/syncthing/syncthing/releases/tag/v${version}";
         license = licenses.mpl20;
         maintainers = with maintainers; [ joko peterhoeg andrew-d ];
+        mainProgram = target;
         platforms = platforms.unix;
       };
     };
diff --git a/pkgs/applications/office/todo.txt-cli/default.nix b/pkgs/applications/office/todo.txt-cli/default.nix
index 0e06cf2f65a..fbeea839962 100644
--- a/pkgs/applications/office/todo.txt-cli/default.nix
+++ b/pkgs/applications/office/todo.txt-cli/default.nix
@@ -23,6 +23,7 @@ in stdenv.mkDerivation {
     description = "Simple plaintext todo list manager";
     homepage = "http://todotxt.com";
     license = lib.licenses.gpl3;
+    mainProgram = "todo.sh";
     platforms = lib.platforms.all;
   };
 }
diff --git a/pkgs/applications/radio/kalibrate-rtl/default.nix b/pkgs/applications/radio/kalibrate-rtl/default.nix
index eb5937bbc3c..b463faa4a25 100644
--- a/pkgs/applications/radio/kalibrate-rtl/default.nix
+++ b/pkgs/applications/radio/kalibrate-rtl/default.nix
@@ -26,7 +26,8 @@ stdenv.mkDerivation {
     '';
     homepage = "https://github.com/steve-m/kalibrate-rtl";
     license = licenses.bsd2;
-    platforms = platforms.linux ++ platforms.darwin;
     maintainers = with maintainers; [ bjornfor viraptor ];
+    mainProgram = "kal";
+    platforms = platforms.linux ++ platforms.darwin;
   };
 }
diff --git a/pkgs/applications/radio/soapysdr/default.nix b/pkgs/applications/radio/soapysdr/default.nix
index 79dcab19acb..4875a4818f8 100644
--- a/pkgs/applications/radio/soapysdr/default.nix
+++ b/pkgs/applications/radio/soapysdr/default.nix
@@ -51,6 +51,7 @@ in stdenv.mkDerivation {
     description = "Vendor and platform neutral SDR support library";
     license = licenses.boost;
     maintainers = with maintainers; [ markuskowa ];
+    mainProgram = "SoapySDRUtil";
     platforms = platforms.unix;
   };
 }
diff --git a/pkgs/applications/science/logic/abc/default.nix b/pkgs/applications/science/logic/abc/default.nix
index 20c33f0fbae..4e808dd8f19 100644
--- a/pkgs/applications/science/logic/abc/default.nix
+++ b/pkgs/applications/science/logic/abc/default.nix
@@ -25,7 +25,8 @@ stdenv.mkDerivation rec {
     description = "A tool for squential logic synthesis and formal verification";
     homepage    = "https://people.eecs.berkeley.edu/~alanmi/abc";
     license     = licenses.mit;
-    platforms   = platforms.unix;
     maintainers = with maintainers; [ thoughtpolice ];
+    mainProgram = "abc";
+    platforms   = platforms.unix;
   };
 }
diff --git a/pkgs/applications/science/logic/key/default.nix b/pkgs/applications/science/logic/key/default.nix
index aee1a9c63f8..5a48abfc4aa 100644
--- a/pkgs/applications/science/logic/key/default.nix
+++ b/pkgs/applications/science/logic/key/default.nix
@@ -115,6 +115,7 @@ in stdenv.mkDerivation rec {
     '';
     license = licenses.gpl2;
     maintainers = with maintainers; [ fgaz ];
+    mainProgram = executable-name;
     platforms = platforms.all;
   };
 }
diff --git a/pkgs/development/compilers/dotnet/build-dotnet.nix b/pkgs/development/compilers/dotnet/build-dotnet.nix
index bfc2ab7f9b0..4a30107bbec 100644
--- a/pkgs/development/compilers/dotnet/build-dotnet.nix
+++ b/pkgs/development/compilers/dotnet/build-dotnet.nix
@@ -87,10 +87,11 @@ in stdenv.mkDerivation rec {
   '';
 
   meta = with lib; {
-    homepage = "https://dotnet.github.io/";
     description = builtins.getAttr type descriptions;
-    platforms = builtins.attrNames srcs;
-    maintainers = with maintainers; [ kuznero ];
+    homepage = "https://dotnet.github.io/";
     license = licenses.mit;
+    maintainers = with maintainers; [ kuznero ];
+    mainProgram = "dotnet";
+    platforms = builtins.attrNames srcs;
   };
 }
diff --git a/pkgs/development/compilers/fstar/default.nix b/pkgs/development/compilers/fstar/default.nix
index fc0f50d0797..eb81efe2de0 100644
--- a/pkgs/development/compilers/fstar/default.nix
+++ b/pkgs/development/compilers/fstar/default.nix
@@ -64,9 +64,10 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     description = "ML-like functional programming language aimed at program verification";
     homepage = "https://www.fstar-lang.org";
-    license = licenses.asl20;
     changelog = "https://github.com/FStarLang/FStar/raw/v${version}/CHANGES.md";
-    platforms = with platforms; darwin ++ linux;
+    license = licenses.asl20;
     maintainers = with maintainers; [ gebner pnmadelaine ];
+    mainProgram = "fstar.exe";
+    platforms = with platforms; darwin ++ linux;
   };
 }
diff --git a/pkgs/development/compilers/jasmin-compiler/default.nix b/pkgs/development/compilers/jasmin-compiler/default.nix
index 7642ae4aff2..dbacda5c479 100644
--- a/pkgs/development/compilers/jasmin-compiler/default.nix
+++ b/pkgs/development/compilers/jasmin-compiler/default.nix
@@ -34,8 +34,9 @@ stdenv.mkDerivation rec {
   meta = {
     description = "A workbench for high-assurance and high-speed cryptography";
     homepage = "https://github.com/jasmin-lang/jasmin/";
-    platforms = lib.platforms.all;
     license = lib.licenses.mit;
     maintainers = [ lib.maintainers.vbgl ];
+    mainProgram = "jasminc";
+    platforms = lib.platforms.all;
   };
 }
diff --git a/pkgs/development/compilers/vlang/default.nix b/pkgs/development/compilers/vlang/default.nix
index 0c24e67123c..065e4462f2e 100644
--- a/pkgs/development/compilers/vlang/default.nix
+++ b/pkgs/development/compilers/vlang/default.nix
@@ -47,6 +47,7 @@ stdenv.mkDerivation rec {
     description = "Simple, fast, safe, compiled language for developing maintainable software";
     license = licenses.mit;
     maintainers = with maintainers; [ Madouura ];
+    mainProgram = "v";
     platforms = platforms.all;
   };
 }
diff --git a/pkgs/development/interpreters/kona/default.nix b/pkgs/development/interpreters/kona/default.nix
index 24e10eb7306..cfc1c12d192 100644
--- a/pkgs/development/interpreters/kona/default.nix
+++ b/pkgs/development/interpreters/kona/default.nix
@@ -18,6 +18,7 @@ stdenv.mkDerivation rec {
     description = "An interpreter of K, APL-like programming language";
     homepage = "https://github.com/kevinlawler/kona/";
     maintainers = with maintainers; [ raskin ];
+    mainProgram = "k";
     platforms = platforms.all;
     license = licenses.isc;
   };
diff --git a/pkgs/development/interpreters/rakudo/moarvm.nix b/pkgs/development/interpreters/rakudo/moarvm.nix
index 6ecc3ad6053..08c225603eb 100644
--- a/pkgs/development/interpreters/rakudo/moarvm.nix
+++ b/pkgs/development/interpreters/rakudo/moarvm.nix
@@ -35,7 +35,8 @@ stdenv.mkDerivation rec {
     description = "VM with adaptive optimization and JIT compilation, built for Rakudo";
     homepage = "https://moarvm.org";
     license = licenses.artistic2;
-    platforms = platforms.unix;
     maintainers = with maintainers; [ thoughtpolice vrthra sgo ];
+    mainProgram = "moar";
+    platforms = platforms.unix;
   };
 }
diff --git a/pkgs/development/tools/ammonite/default.nix b/pkgs/development/tools/ammonite/default.nix
index efeaf9df507..7d9dbe6f393 100644
--- a/pkgs/development/tools/ammonite/default.nix
+++ b/pkgs/development/tools/ammonite/default.nix
@@ -76,8 +76,9 @@ let
         '';
         homepage = "https://github.com/com-lihaoyi/Ammonite";
         license = licenses.mit;
-        platforms = platforms.all;
         maintainers = [ maintainers.nequissimus ];
+        mainProgram = "amm";
+        platforms = platforms.all;
       };
     };
 in {
diff --git a/pkgs/development/tools/build-managers/gnumake/4.2/default.nix b/pkgs/development/tools/build-managers/gnumake/4.2/default.nix
index 7d56e55ebdb..21e9abd04f2 100644
--- a/pkgs/development/tools/build-managers/gnumake/4.2/default.nix
+++ b/pkgs/development/tools/build-managers/gnumake/4.2/default.nix
@@ -40,10 +40,7 @@ stdenv.mkDerivation rec {
   outputs = [ "out" "man" "info" ];
 
   meta = with lib; {
-    homepage = "https://www.gnu.org/software/make/";
     description = "A tool to control the generation of non-source files from sources";
-    license = licenses.gpl3Plus;
-
     longDescription = ''
       Make is a tool which controls the generation of executables and
       other non-source files of a program from the program's source files.
@@ -54,8 +51,11 @@ stdenv.mkDerivation rec {
       should write a makefile for it, so that it is possible to use Make
       to build and install the program.
     '';
+    homepage = "https://www.gnu.org/software/make/";
 
-    platforms = platforms.all;
+    license = licenses.gpl3Plus;
     maintainers = [ maintainers.vrthra ];
+    mainProgram = "make";
+    platforms = platforms.all;
   };
 }
diff --git a/pkgs/development/tools/build-managers/gnumake/default.nix b/pkgs/development/tools/build-managers/gnumake/default.nix
index 183548f5e31..7c4b0ad4650 100644
--- a/pkgs/development/tools/build-managers/gnumake/default.nix
+++ b/pkgs/development/tools/build-managers/gnumake/default.nix
@@ -37,10 +37,7 @@ stdenv.mkDerivation rec {
   separateDebugInfo = true;
 
   meta = with lib; {
-    homepage = "https://www.gnu.org/software/make/";
     description = "A tool to control the generation of non-source files from sources";
-    license = licenses.gpl3Plus;
-
     longDescription = ''
       Make is a tool which controls the generation of executables and
       other non-source files of a program from the program's source files.
@@ -51,8 +48,11 @@ stdenv.mkDerivation rec {
       should write a makefile for it, so that it is possible to use Make
       to build and install the program.
     '';
+    homepage = "https://www.gnu.org/software/make/";
 
-    platforms = platforms.all;
+    license = licenses.gpl3Plus;
     maintainers = [ maintainers.vrthra ];
+    mainProgram = "make";
+    platforms = platforms.all;
   };
 }
diff --git a/pkgs/development/tools/build-managers/jam/ftjam.nix b/pkgs/development/tools/build-managers/jam/ftjam.nix
index 6007b67f148..1f106401c0d 100644
--- a/pkgs/development/tools/build-managers/jam/ftjam.nix
+++ b/pkgs/development/tools/build-managers/jam/ftjam.nix
@@ -42,10 +42,11 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with lib; {
-    homepage = "https://freetype.org/jam/";
     description = "Freetype's enhanced, backwards-compatible Jam clone";
+    homepage = "https://freetype.org/jam/";
     license = licenses.free;
     maintainers = with maintainers; [ AndersonTorres ];
+    mainProgram = "jam";
     platforms = platforms.unix;
   };
 }
diff --git a/pkgs/development/tools/build-managers/samurai/default.nix b/pkgs/development/tools/build-managers/samurai/default.nix
index b13762d63b1..675160751d1 100644
--- a/pkgs/development/tools/build-managers/samurai/default.nix
+++ b/pkgs/development/tools/build-managers/samurai/default.nix
@@ -35,7 +35,6 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with lib; {
-    homepage = "https://github.com/michaelforney/samurai";
     description = "ninja-compatible build tool written in C";
     longDescription = ''
       samurai is a ninja-compatible build tool with a focus on simplicity,
@@ -50,8 +49,10 @@ stdenv.mkDerivation rec {
       .ninja_deps as the original ninja tool, currently version 5 and 4
       respectively.
     '';
+    homepage = "https://github.com/michaelforney/samurai";
     license = with licenses; [ mit asl20 ]; # see LICENSE
     maintainers = with maintainers; [ dtzWill AndersonTorres ];
+    mainProgram = "samu";
     platforms = platforms.all;
   };
 }
diff --git a/pkgs/development/tools/build-managers/sbt-extras/default.nix b/pkgs/development/tools/build-managers/sbt-extras/default.nix
index 26770276372..fa59649dd23 100644
--- a/pkgs/development/tools/build-managers/sbt-extras/default.nix
+++ b/pkgs/development/tools/build-managers/sbt-extras/default.nix
@@ -67,11 +67,11 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    description =
-      "A more featureful runner for sbt, the simple/scala/standard build tool";
+    description = "A more featureful runner for sbt, the simple/scala/standard build tool";
     homepage = "https://github.com/paulp/sbt-extras";
     license = lib.licenses.bsd3;
     maintainers = with lib.maintainers; [ nequissimus puffnfresh ];
+    mainProgram = "sbt";
     platforms = lib.platforms.unix;
   };
 }
diff --git a/pkgs/development/tools/buildkit/default.nix b/pkgs/development/tools/buildkit/default.nix
index 9244a80672e..88f8846a47b 100644
--- a/pkgs/development/tools/buildkit/default.nix
+++ b/pkgs/development/tools/buildkit/default.nix
@@ -24,5 +24,6 @@ buildGoModule rec {
     homepage = "https://github.com/moby/buildkit";
     license = licenses.asl20;
     maintainers = with maintainers; [ vdemeester marsam ];
+    mainProgram = "buildctl";
   };
 }
diff --git a/pkgs/development/tools/continuous-integration/jenkins/default.nix b/pkgs/development/tools/continuous-integration/jenkins/default.nix
index 5c95c99814d..e3562282afb 100644
--- a/pkgs/development/tools/continuous-integration/jenkins/default.nix
+++ b/pkgs/development/tools/continuous-integration/jenkins/default.nix
@@ -69,7 +69,8 @@ stdenv.mkDerivation rec {
     description = "An extendable open source continuous integration server";
     homepage = "https://jenkins-ci.org";
     license = licenses.mit;
-    platforms = platforms.all;
     maintainers = with maintainers; [ coconnor fpletz earldouglas nequissimus ];
+    mainProgram = "jenkins-cli";
+    platforms = platforms.all;
   };
 }
diff --git a/pkgs/development/tools/dapr/cli/default.nix b/pkgs/development/tools/dapr/cli/default.nix
index 96b86719e6c..d0d32de0ce1 100644
--- a/pkgs/development/tools/dapr/cli/default.nix
+++ b/pkgs/development/tools/dapr/cli/default.nix
@@ -28,9 +28,10 @@ buildGoModule rec {
   '';
 
   meta = with lib; {
-    homepage = "https://dapr.io";
     description = "A CLI for managing Dapr, the distributed application runtime";
+    homepage = "https://dapr.io";
     license = licenses.mit;
     maintainers = with maintainers; [ lucperkins ];
+    mainProgram = "dapr";
   };
 }
diff --git a/pkgs/development/tools/ent/default.nix b/pkgs/development/tools/ent/default.nix
index 79470814ada..c9ed951d596 100644
--- a/pkgs/development/tools/ent/default.nix
+++ b/pkgs/development/tools/ent/default.nix
@@ -31,10 +31,11 @@ buildGoModule rec {
 
   meta = with lib; {
     description = "An entity framework for Go";
+    homepage = "https://entgo.io/";
     downloadPage = "https://github.com/ent/ent";
     license = licenses.asl20;
-    homepage = "https://entgo.io/";
     maintainers = with maintainers; [ superherointj ];
+    mainProgram = "ent";
   };
 }
 
diff --git a/pkgs/development/tools/gnulib/default.nix b/pkgs/development/tools/gnulib/default.nix
index 708cdb511a8..afc91cb6030 100644
--- a/pkgs/development/tools/gnulib/default.nix
+++ b/pkgs/development/tools/gnulib/default.nix
@@ -27,9 +27,10 @@ stdenv.mkDerivation {
   dontFixup = true;
 
   meta = with lib; {
-    homepage = "https://www.gnu.org/software/gnulib/";
     description = "Central location for code to be shared among GNU packages";
+    homepage = "https://www.gnu.org/software/gnulib/";
     license = licenses.gpl3Plus;
+    mainProgram = "gnulib-tool";
     platforms = platforms.unix;
   };
 }
diff --git a/pkgs/development/tools/go-swag/default.nix b/pkgs/development/tools/go-swag/default.nix
index 8c340b2ccf6..9f53c702014 100644
--- a/pkgs/development/tools/go-swag/default.nix
+++ b/pkgs/development/tools/go-swag/default.nix
@@ -20,5 +20,6 @@ buildGoModule rec {
     homepage = "https://github.com/swaggo/swag";
     license = licenses.mit;
     maintainers = with maintainers; [ stephenwithph ];
+    mainProgram = "swag";
   };
 }
diff --git a/pkgs/development/tools/goa/default.nix b/pkgs/development/tools/goa/default.nix
index 56b47bd8c60..4290d1501eb 100644
--- a/pkgs/development/tools/goa/default.nix
+++ b/pkgs/development/tools/goa/default.nix
@@ -17,9 +17,10 @@ buildGoPackage rec {
   goDeps = ./deps.nix;
 
   meta = with lib; {
-    homepage = "https://goa.design";
     description = "A framework for building microservices in Go using a unique design-first approach";
+    homepage = "https://goa.design";
     license = licenses.mit;
     maintainers = [ maintainers.rushmorem ];
+    mainProgram = "goagen";
   };
 }
diff --git a/pkgs/development/tools/jd-diff-patch/default.nix b/pkgs/development/tools/jd-diff-patch/default.nix
index 96fd79d62fc..26c9eeedacd 100644
--- a/pkgs/development/tools/jd-diff-patch/default.nix
+++ b/pkgs/development/tools/jd-diff-patch/default.nix
@@ -23,5 +23,6 @@ buildGoModule rec {
     homepage = "https://github.com/josephburnett/jd";
     license = licenses.mit;
     maintainers = with maintainers; [ bryanasdev000 blaggacao ];
+    mainProgram = "jd";
   };
 }
diff --git a/pkgs/development/tools/jmespath/default.nix b/pkgs/development/tools/jmespath/default.nix
index 5abbf71e7f4..c9510a35d10 100644
--- a/pkgs/development/tools/jmespath/default.nix
+++ b/pkgs/development/tools/jmespath/default.nix
@@ -16,7 +16,8 @@ buildGoPackage rec {
   meta = with lib; {
     description = "A JMESPath implementation in Go";
     homepage = "https://github.com/jmespath/go-jmespath";
-    maintainers = with maintainers; [ cransom ];
     license = licenses.asl20;
+    maintainers = with maintainers; [ cransom ];
+    mainProgram = "jpgo";
   };
 }
diff --git a/pkgs/development/tools/kustomize/3.nix b/pkgs/development/tools/kustomize/3.nix
index aa99256faa8..d9eb6ce298e 100644
--- a/pkgs/development/tools/kustomize/3.nix
+++ b/pkgs/development/tools/kustomize/3.nix
@@ -36,5 +36,6 @@ buildGoModule rec {
     homepage = "https://github.com/kubernetes-sigs/kustomize";
     license = licenses.asl20;
     maintainers = with maintainers; [ carlosdagos vdemeester zaninime Chili-Man saschagrunert ];
+    mainProgram = "kustomize";
   };
 }
diff --git a/pkgs/development/tools/literate-programming/Literate/default.nix b/pkgs/development/tools/literate-programming/Literate/default.nix
index 1582ca87402..1a71b9bc857 100644
--- a/pkgs/development/tools/literate-programming/Literate/default.nix
+++ b/pkgs/development/tools/literate-programming/Literate/default.nix
@@ -18,8 +18,9 @@ stdenv.mkDerivation {
 
   meta = with lib; {
     description = "A literate programming tool for any language";
-    homepage    = "http://literate.zbyedidia.webfactional.com/";
+    homepage = "https://zyedidia.github.io/literate/";
     license = licenses.mit;
+    mainProgram = "lit";
     platforms = platforms.unix;
   };
 }
diff --git a/pkgs/development/tools/misc/chruby/default.nix b/pkgs/development/tools/misc/chruby/default.nix
index 1aef6d52075..cbe22351327 100644
--- a/pkgs/development/tools/misc/chruby/default.nix
+++ b/pkgs/development/tools/misc/chruby/default.nix
@@ -37,7 +37,8 @@ in stdenv.mkDerivation rec {
     description = "Changes the current Ruby";
     homepage = "https://github.com/postmodern/chruby";
     license = licenses.mit;
-    platforms = platforms.unix;
     maintainers = with maintainers; [ cstrahan ];
+    mainProgram = "chruby-exec";
+    platforms = platforms.unix;
   };
 }
diff --git a/pkgs/development/tools/misc/gnum4/default.nix b/pkgs/development/tools/misc/gnum4/default.nix
index 806625934d9..e0f71b2b3c3 100644
--- a/pkgs/development/tools/misc/gnum4/default.nix
+++ b/pkgs/development/tools/misc/gnum4/default.nix
@@ -19,9 +19,7 @@ stdenv.mkDerivation rec {
   configureFlags = [ "--with-syscmd-shell=${stdenv.shell}" ];
 
   meta = {
-    homepage = "https://www.gnu.org/software/m4/";
     description = "GNU M4, a macro processor";
-
     longDescription = ''
       GNU M4 is an implementation of the traditional Unix macro
       processor.  It is mostly SVR4 compatible although it has some
@@ -38,8 +36,10 @@ stdenv.mkDerivation rec {
       recursion etc...  m4 can be used either as a front-end to a
       compiler or as a macro processor in its own right.
     '';
+    homepage = "https://www.gnu.org/software/m4/";
 
     license = lib.licenses.gpl3Plus;
+    mainProgram = "m4";
     platforms = lib.platforms.unix ++ lib.platforms.windows;
   };
 
diff --git a/pkgs/development/tools/misc/premake/default.nix b/pkgs/development/tools/misc/premake/default.nix
index 35c651f4a18..e3c4aef87bd 100644
--- a/pkgs/development/tools/misc/premake/default.nix
+++ b/pkgs/development/tools/misc/premake/default.nix
@@ -23,10 +23,11 @@ stdenv.mkDerivation rec {
   setupHook = ./setup-hook.sh;
 
   meta = with lib; {
-    homepage = "https://premake.github.io/";
     description = "A simple build configuration and project generation tool using lua";
+    homepage = "https://premake.github.io/";
     license = lib.licenses.bsd3;
-    platforms = platforms.unix;
     maintainers = [ maintainers.bjornfor ];
+    mainProgram = "premake4";
+    platforms = platforms.unix;
   };
 }
diff --git a/pkgs/development/tools/misc/watson-ruby/default.nix b/pkgs/development/tools/misc/watson-ruby/default.nix
index 4d17680471d..eb6c8bd7619 100644
--- a/pkgs/development/tools/misc/watson-ruby/default.nix
+++ b/pkgs/development/tools/misc/watson-ruby/default.nix
@@ -25,6 +25,7 @@ stdenv.mkDerivation rec {
     homepage    = "https://goosecode.com/watson/";
     license     = with licenses; mit;
     maintainers = with maintainers; [ robertodr nicknovitski ];
+    mainProgram = "watson";
     platforms   = platforms.unix;
   };
 }
diff --git a/pkgs/development/tools/rust/bindgen/unwrapped.nix b/pkgs/development/tools/rust/bindgen/unwrapped.nix
index f77e2feb4ff..458b4a10c8d 100644
--- a/pkgs/development/tools/rust/bindgen/unwrapped.nix
+++ b/pkgs/development/tools/rust/bindgen/unwrapped.nix
@@ -46,7 +46,8 @@ in rustPlatform.buildRustPackage rec {
     '';
     homepage = "https://github.com/rust-lang/rust-bindgen";
     license = with licenses; [ bsd3 ];
-    platforms = platforms.unix;
     maintainers = with maintainers; [ johntitor ralith ];
+    mainProgram = "bindgen";
+    platforms = platforms.unix;
   };
 }
diff --git a/pkgs/development/tools/rust/rust-analyzer/default.nix b/pkgs/development/tools/rust/rust-analyzer/default.nix
index 92d731c79b5..7b2493ba985 100644
--- a/pkgs/development/tools/rust/rust-analyzer/default.nix
+++ b/pkgs/development/tools/rust/rust-analyzer/default.nix
@@ -61,5 +61,6 @@ rustPlatform.buildRustPackage rec {
     homepage = "https://rust-analyzer.github.io";
     license = with licenses; [ mit asl20 ];
     maintainers = with maintainers; [ oxalica ];
+    mainProgram = "rust-analyzer";
   };
 }
diff --git a/pkgs/development/tools/selenium/server/default.nix b/pkgs/development/tools/selenium/server/default.nix
index 61959b98b4c..943d6b60b60 100644
--- a/pkgs/development/tools/selenium/server/default.nix
+++ b/pkgs/development/tools/selenium/server/default.nix
@@ -33,8 +33,9 @@ in stdenv.mkDerivation rec {
   meta = {
     homepage = "http://www.seleniumhq.org/";
     description = "Selenium Server for remote WebDriver";
+    license = licenses.asl20;
     maintainers = with maintainers; [ coconnor offline ];
+    mainProgram = "selenium-server";
     platforms = platforms.all;
-    license = licenses.asl20;
   };
 }
diff --git a/pkgs/development/web/lucky-cli/default.nix b/pkgs/development/web/lucky-cli/default.nix
index a87892c5f14..3d2901bc9ac 100644
--- a/pkgs/development/web/lucky-cli/default.nix
+++ b/pkgs/development/web/lucky-cli/default.nix
@@ -33,11 +33,11 @@ crystal.buildCrystalPackage rec {
   '';
 
   meta = with lib; {
-    description =
-      "A Crystal library for creating and running tasks. Also generates Lucky projects";
+    description = "A Crystal library for creating and running tasks. Also generates Lucky projects";
     homepage = "https://luckyframework.org/";
     license = licenses.mit;
     maintainers = with maintainers; [ peterhoeg ];
+    mainProgram = "lucky";
     platforms = platforms.unix;
     broken = lib.versionOlder crystal.version "0.35.1";
   };
diff --git a/pkgs/development/web/shopify-cli/default.nix b/pkgs/development/web/shopify-cli/default.nix
index a3ec7ff3f31..e6f164f2bca 100644
--- a/pkgs/development/web/shopify-cli/default.nix
+++ b/pkgs/development/web/shopify-cli/default.nix
@@ -27,8 +27,9 @@ stdenv.mkDerivation rec {
     description = "CLI which helps you build against the Shopify platform faster";
     homepage    = "https://github.com/Shopify/shopify-cli";
     license     = licenses.mit;
-    platforms = ruby.meta.platforms;
     maintainers = with maintainers; [ onny ];
+    mainProgram = "shopify";
+    platforms = ruby.meta.platforms;
   };
 }
 
diff --git a/pkgs/games/bugdom/default.nix b/pkgs/games/bugdom/default.nix
index c5170c9845c..fd893559469 100644
--- a/pkgs/games/bugdom/default.nix
+++ b/pkgs/games/bugdom/default.nix
@@ -57,10 +57,9 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     description = "A port of Bugdom, a 1999 Macintosh game by Pangea Software, for modern operating systems";
     homepage = "https://github.com/jorio/Bugdom";
-    license = with licenses; [
-      cc-by-sa-40
-    ];
+    license = with licenses; [ cc-by-sa-40 ];
     maintainers = with maintainers; [ lux ];
+    mainProgram = "Bugdom";
     platforms = platforms.unix;
   };
 }
diff --git a/pkgs/games/r2mod_cli/default.nix b/pkgs/games/r2mod_cli/default.nix
index 607a53579c7..eb1dd25811a 100644
--- a/pkgs/games/r2mod_cli/default.nix
+++ b/pkgs/games/r2mod_cli/default.nix
@@ -32,6 +32,7 @@ stdenv.mkDerivation rec {
     homepage = "https://github.com/foldex/r2mod_cli";
     license = licenses.gpl3Only;
     maintainers = [ maintainers.reedrw ];
+    mainProgram = "r2mod";
     platforms = platforms.unix;
   };
 }
diff --git a/pkgs/games/tcl2048/default.nix b/pkgs/games/tcl2048/default.nix
index b2796225a6c..b74d3630e0e 100644
--- a/pkgs/games/tcl2048/default.nix
+++ b/pkgs/games/tcl2048/default.nix
@@ -21,7 +21,8 @@ tcl.mkTclDerivation rec {
     homepage = "https://github.com/dbohdan/2048.tcl";
     description = "The game of 2048 implemented in Tcl";
     license = lib.licenses.mit;
-    platforms = lib.platforms.all;
     maintainers = with lib.maintainers; [ dbohdan ];
+    mainProgram = "2048";
+    platforms = lib.platforms.all;
   };
 }
diff --git a/pkgs/misc/openrussian-cli/default.nix b/pkgs/misc/openrussian-cli/default.nix
index e7b3d1c496d..e6e089e8861 100644
--- a/pkgs/misc/openrussian-cli/default.nix
+++ b/pkgs/misc/openrussian-cli/default.nix
@@ -49,10 +49,11 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with lib; {
-    homepage    = "https://github.com/rhaberkorn/openrussian-cli";
     description = "Offline Console Russian Dictionary (based on openrussian.org)";
+    homepage    = "https://github.com/rhaberkorn/openrussian-cli";
     license     = with licenses; [ gpl3Only mit cc-by-sa-40 ];
     maintainers = with maintainers; [ zane ];
+    mainProgram = "openrussian";
     platforms   = platforms.unix;
   };
 }
diff --git a/pkgs/misc/platformsh/default.nix b/pkgs/misc/platformsh/default.nix
index 9c0410b4738..64b9168fee4 100644
--- a/pkgs/misc/platformsh/default.nix
+++ b/pkgs/misc/platformsh/default.nix
@@ -42,9 +42,10 @@ stdenv.mkDerivation {
 
   meta = with lib; {
     description = "The unified tool for managing your Platform.sh services from the command line.";
-    license = licenses.mit;
     homepage = "https://github.com/platformsh/platformsh-cli";
+    license = licenses.mit;
     maintainers = with maintainers; [ shyim ];
+    mainProgram = "platform";
     platforms = platforms.all;
   };
 }
diff --git a/pkgs/misc/screensavers/pipes/default.nix b/pkgs/misc/screensavers/pipes/default.nix
index 99626018750..bbabd02f475 100644
--- a/pkgs/misc/screensavers/pipes/default.nix
+++ b/pkgs/misc/screensavers/pipes/default.nix
@@ -22,10 +22,11 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with lib; {
-    homepage = "https://github.com/pipeseroni/pipes.sh";
     description = "Animated pipes terminal screensaver";
+    homepage = "https://github.com/pipeseroni/pipes.sh";
     license = licenses.mit;
     maintainers = [ maintainers.matthiasbeyer ];
+    mainProgram = "pipes.sh";
     platforms = platforms.unix;
   };
 }
diff --git a/pkgs/servers/exhibitor/default.nix b/pkgs/servers/exhibitor/default.nix
index 5636f51a169..875a2fa2c1f 100644
--- a/pkgs/servers/exhibitor/default.nix
+++ b/pkgs/servers/exhibitor/default.nix
@@ -37,9 +37,10 @@ stdenv.mkDerivation rec {
       mvn package --offline -Dmaven.repo.local=$(cp -dpR ${fetchedMavenDeps}/.m2 ./ && chmod +w -R .m2 && pwd)/.m2
   '';
   meta = with lib; {
-    homepage = "https://github.com/soabase/exhibitor";
     description = "ZooKeeper co-process for instance monitoring, backup/recovery, cleanup and visualization";
+    homepage = "https://github.com/soabase/exhibitor";
     license = licenses.asl20;
+    mainProgram = "startExhibitor.sh";
     platforms = platforms.unix;
   };
 
diff --git a/pkgs/servers/gotify/default.nix b/pkgs/servers/gotify/default.nix
index 8f3739b4ebf..3df2d833e0b 100644
--- a/pkgs/servers/gotify/default.nix
+++ b/pkgs/servers/gotify/default.nix
@@ -54,6 +54,7 @@ buildGoModule rec {
     homepage = "https://gotify.net";
     license = licenses.mit;
     maintainers = with maintainers; [ doronbehar ];
+    mainProgram = "server";
   };
 
 }
diff --git a/pkgs/servers/icingaweb2/default.nix b/pkgs/servers/icingaweb2/default.nix
index 651c7398868..e02b54e9eef 100644
--- a/pkgs/servers/icingaweb2/default.nix
+++ b/pkgs/servers/icingaweb2/default.nix
@@ -29,7 +29,8 @@ stdenvNoCC.mkDerivation rec {
     '';
     homepage = "https://www.icinga.com/products/icinga-web-2/";
     license = licenses.gpl2Only;
-    platforms = platforms.all;
     maintainers = with maintainers; [ das_j ];
+    mainProgram = "icingacli";
+    platforms = platforms.all;
   };
 }
diff --git a/pkgs/servers/mail/opensmtpd/filter-rspamd.nix b/pkgs/servers/mail/opensmtpd/filter-rspamd.nix
index 62b01cf9266..bda3f1cda4c 100644
--- a/pkgs/servers/mail/opensmtpd/filter-rspamd.nix
+++ b/pkgs/servers/mail/opensmtpd/filter-rspamd.nix
@@ -22,9 +22,10 @@ buildGoModule rec {
   };
 
   meta = with lib; {
-    homepage = "https://github.com/poolpOrg/filter-rspamd";
     description = "OpenSMTPD filter integration for the Rspamd daemon";
+    homepage = "https://github.com/poolpOrg/filter-rspamd";
     license = licenses.isc;
     maintainers = with maintainers; [ Flakebi ];
+    mainProgram = "filter-rspamd";
   };
 }
diff --git a/pkgs/servers/monitoring/prometheus/json-exporter.nix b/pkgs/servers/monitoring/prometheus/json-exporter.nix
index 6d63c6b1d66..904b2182dbe 100644
--- a/pkgs/servers/monitoring/prometheus/json-exporter.nix
+++ b/pkgs/servers/monitoring/prometheus/json-exporter.nix
@@ -20,5 +20,6 @@ buildGoModule rec {
     homepage = "https://github.com/prometheus-community/json_exporter";
     license = licenses.asl20;
     maintainers = with maintainers; [ willibutz ];
+    mainProgram = "json_exporter";
   };
 }
diff --git a/pkgs/servers/monitoring/prometheus/nextcloud-exporter.nix b/pkgs/servers/monitoring/prometheus/nextcloud-exporter.nix
index 386e49594d2..748e135b634 100644
--- a/pkgs/servers/monitoring/prometheus/nextcloud-exporter.nix
+++ b/pkgs/servers/monitoring/prometheus/nextcloud-exporter.nix
@@ -20,6 +20,7 @@ buildGoModule rec {
     homepage = "https://github.com/xperimental/nextcloud-exporter";
     license = licenses.mit;
     maintainers = with maintainers; [ willibutz ];
+    mainProgram = "nextcloud-exporter";
     platforms = platforms.unix;
   };
 }
diff --git a/pkgs/servers/t-rex/default.nix b/pkgs/servers/t-rex/default.nix
index 551282b6058..fb132da8587 100644
--- a/pkgs/servers/t-rex/default.nix
+++ b/pkgs/servers/t-rex/default.nix
@@ -23,6 +23,7 @@ rustPlatform.buildRustPackage rec {
     changelog = "https://github.com/t-rex-tileserver/t-rex/blob/v${version}/CHANGELOG.md";
     license = licenses.mit;
     maintainers = with maintainers; [ sikmir ];
+    mainProgram = "t_rex";
     platforms = platforms.unix;
   };
 }
diff --git a/pkgs/servers/unifiedpush-common-proxies/default.nix b/pkgs/servers/unifiedpush-common-proxies/default.nix
index b969902b253..4c41a7c9fde 100644
--- a/pkgs/servers/unifiedpush-common-proxies/default.nix
+++ b/pkgs/servers/unifiedpush-common-proxies/default.nix
@@ -21,5 +21,6 @@ buildGoModule rec {
     homepage = "https://github.com/UnifiedPush/common-proxies";
     license = licenses.mit;
     maintainers = with maintainers; [ yuka ];
+    mainProgram = "up_rewrite";
   };
 }
diff --git a/pkgs/servers/web-apps/engelsystem/default.nix b/pkgs/servers/web-apps/engelsystem/default.nix
index 22abbdac08c..d154b1cee11 100644
--- a/pkgs/servers/web-apps/engelsystem/default.nix
+++ b/pkgs/servers/web-apps/engelsystem/default.nix
@@ -42,9 +42,10 @@ in stdenv.mkDerivation rec {
   meta = with lib; {
     description =
       "Coordinate your volunteers in teams, assign them to work shifts or let them decide for themselves when and where they want to help with what";
-    license = licenses.gpl2;
     homepage = "https://engelsystem.de";
+    license = licenses.gpl2;
     maintainers = with maintainers; [ kloenk ];
+    mainProgram = "migrate";
     platforms = platforms.all;
   };
 }
diff --git a/pkgs/servers/web-apps/lemmy/server.nix b/pkgs/servers/web-apps/lemmy/server.nix
index 843e6f71165..5526d8fe31f 100644
--- a/pkgs/servers/web-apps/lemmy/server.nix
+++ b/pkgs/servers/web-apps/lemmy/server.nix
@@ -46,5 +46,6 @@ rustPlatform.buildRustPackage rec {
     homepage = "https://join-lemmy.org/";
     license = licenses.agpl3Only;
     maintainers = with maintainers; [ happysalada ];
+    mainProgram = "lemmy_server";
   };
 }
diff --git a/pkgs/servers/web-apps/vikunja/api.nix b/pkgs/servers/web-apps/vikunja/api.nix
index 2917c0e2400..5d01868725a 100644
--- a/pkgs/servers/web-apps/vikunja/api.nix
+++ b/pkgs/servers/web-apps/vikunja/api.nix
@@ -52,6 +52,7 @@ buildGoModule rec {
     homepage = "https://vikunja.io/";
     license = lib.licenses.agpl3Plus;
     maintainers = with lib.maintainers; [ em0lar ];
+    mainProgram = "vikunja";
     platforms = lib.platforms.all;
   };
 }
diff --git a/pkgs/shells/zsh/zplug/default.nix b/pkgs/shells/zsh/zplug/default.nix
index d35eb345dda..0660bbe7e7b 100644
--- a/pkgs/shells/zsh/zplug/default.nix
+++ b/pkgs/shells/zsh/zplug/default.nix
@@ -24,7 +24,8 @@ stdenv.mkDerivation rec {
     description = "A next-generation plugin manager for zsh";
     homepage = "https://github.com/zplug/zplug";
     license = licenses.mit;
-    platforms = platforms.all;
     maintainers = [ maintainers.s1341 ];
+    mainProgram = "zplug-env";
+    platforms = platforms.all;
   };
 }
diff --git a/pkgs/shells/zsh/zsh-history/default.nix b/pkgs/shells/zsh/zsh-history/default.nix
index be5c6650557..9f88d972e7d 100644
--- a/pkgs/shells/zsh/zsh-history/default.nix
+++ b/pkgs/shells/zsh/zsh-history/default.nix
@@ -25,10 +25,11 @@ buildGoModule rec {
 
   meta = with lib; {
     description = "A CLI to provide enhanced history for your ZSH shell";
-    license = licenses.mit;
     homepage = "https://github.com/b4b4r07/history";
-    platforms = platforms.unix;
+    license = licenses.mit;
     maintainers = with maintainers; [ ];
+    mainProgram = "history";
+    platforms = platforms.unix;
   };
 
   passthru.tests = {
diff --git a/pkgs/tools/archivers/gnutar/default.nix b/pkgs/tools/archivers/gnutar/default.nix
index fcc92e673a5..9be1ea7f4d4 100644
--- a/pkgs/tools/archivers/gnutar/default.nix
+++ b/pkgs/tools/archivers/gnutar/default.nix
@@ -45,9 +45,7 @@ stdenv.mkDerivation rec {
   doInstallCheck = false; # fails
 
   meta = {
-    homepage = "https://www.gnu.org/software/tar/";
     description = "GNU implementation of the `tar' archiver";
-
     longDescription = ''
       The Tar program provides the ability to create tar archives, as
       well as various other kinds of manipulation.  For example, you
@@ -62,10 +60,12 @@ stdenv.mkDerivation rec {
       pipes), it can even access remote devices or files (as
       archives).
     '';
+    homepage = "https://www.gnu.org/software/tar/";
 
     license = lib.licenses.gpl3Plus;
 
     maintainers = [ ];
+    mainProgram = "tar";
     platforms = lib.platforms.all;
 
     priority = 10;
diff --git a/pkgs/tools/audio/glyr/default.nix b/pkgs/tools/audio/glyr/default.nix
index 60585c3b354..0f13addfcd9 100644
--- a/pkgs/tools/audio/glyr/default.nix
+++ b/pkgs/tools/audio/glyr/default.nix
@@ -16,10 +16,11 @@ stdenv.mkDerivation rec {
   buildInputs = [ sqlite glib curl ];
 
   meta = with lib; {
-    license = licenses.lgpl3;
     description = "A music related metadata searchengine";
     homepage = "https://github.com/sahib/glyr";
+    license = licenses.lgpl3;
     maintainers = [ maintainers.sternenseemann ];
+    mainProgram = "glyrc";
     platforms = platforms.unix;
   };
 }
diff --git a/pkgs/tools/compression/xdelta/default.nix b/pkgs/tools/compression/xdelta/default.nix
index fbaab91d093..27d0141ff75 100644
--- a/pkgs/tools/compression/xdelta/default.nix
+++ b/pkgs/tools/compression/xdelta/default.nix
@@ -56,6 +56,7 @@ in stdenv.mkDerivation rec {
     '';
     homepage = "http://xdelta.org/";
     license = licenses.gpl2Plus;
+    mainProgram = "xdelta3";
     platforms = platforms.unix;
   };
 }
diff --git a/pkgs/tools/compression/xdelta/unstable.nix b/pkgs/tools/compression/xdelta/unstable.nix
index 03366e5b1ce..2ac8398dbc2 100644
--- a/pkgs/tools/compression/xdelta/unstable.nix
+++ b/pkgs/tools/compression/xdelta/unstable.nix
@@ -60,6 +60,7 @@ in stdenv.mkDerivation rec {
     '';
     homepage = "http://xdelta.org/";
     license = licenses.gpl2Plus;
+    mainProgram = "xdelta3";
     platforms = platforms.linux;
   };
 }
diff --git a/pkgs/tools/misc/anystyle-cli/default.nix b/pkgs/tools/misc/anystyle-cli/default.nix
index 379ed14f8ef..beebae6542b 100644
--- a/pkgs/tools/misc/anystyle-cli/default.nix
+++ b/pkgs/tools/misc/anystyle-cli/default.nix
@@ -38,6 +38,7 @@ buildRubyGem rec {
     homepage    = "https://anystyle.io/";
     license     = licenses.bsd2;
     maintainers = with maintainers; [ shamilton ];
+    mainProgram = "anystyle";
     platforms   = platforms.unix;
   };
 }
diff --git a/pkgs/tools/misc/didyoumean/default.nix b/pkgs/tools/misc/didyoumean/default.nix
index cd7b8270a1a..3839d117afd 100644
--- a/pkgs/tools/misc/didyoumean/default.nix
+++ b/pkgs/tools/misc/didyoumean/default.nix
@@ -28,5 +28,6 @@ rustPlatform.buildRustPackage rec {
     homepage = "https://github.com/hisbaan/didyoumean";
     license = licenses.gpl3Plus;
     maintainers = with maintainers; [ evanjs ];
+    mainProgram = "dym";
   };
 }
diff --git a/pkgs/tools/misc/go.rice/default.nix b/pkgs/tools/misc/go.rice/default.nix
index 771f3493157..e608ad121cc 100644
--- a/pkgs/tools/misc/go.rice/default.nix
+++ b/pkgs/tools/misc/go.rice/default.nix
@@ -16,9 +16,10 @@ buildGoModule rec {
   subPackages = [ "." "rice" ];
 
   meta = with lib; {
-    homepage = "https://github.com/GeertJohan/go.rice";
     description = "A Go package that makes working with resources such as html, js, css, images, templates very easy";
+    homepage = "https://github.com/GeertJohan/go.rice";
     license = licenses.bsd2;
     maintainers = with maintainers; [ blaggacao ];
+    mainProgram = "rice";
   };
 }
diff --git a/pkgs/tools/misc/graylog/default.nix b/pkgs/tools/misc/graylog/default.nix
index 1480f099f9f..5db9e8f00fb 100644
--- a/pkgs/tools/misc/graylog/default.nix
+++ b/pkgs/tools/misc/graylog/default.nix
@@ -27,7 +27,8 @@ stdenv.mkDerivation rec {
     description = "Open source log management solution";
     homepage    = "https://www.graylog.org/";
     license     = licenses.gpl3;
-    platforms   = platforms.unix;
     maintainers = [ maintainers.fadenb ];
+    mainProgram = "graylogctl";
+    platforms   = platforms.unix;
   };
 }
diff --git a/pkgs/tools/misc/mysql2pgsql/default.nix b/pkgs/tools/misc/mysql2pgsql/default.nix
index 680e3738768..d3e24c55984 100644
--- a/pkgs/tools/misc/mysql2pgsql/default.nix
+++ b/pkgs/tools/misc/mysql2pgsql/default.nix
@@ -21,6 +21,7 @@ stdenv.mkDerivation rec {
     description = "Convert MySQL dump files to PostgreSQL-loadable files";
     homepage = "https://pgfoundry.org/projects/mysql2pgsql/";
     license = lib.licenses.bsdOriginal;
+    mainProgram = "mysql2psql";
     platforms = lib.platforms.unix;
   };
 }
diff --git a/pkgs/tools/misc/opentelemetry-collector/contrib.nix b/pkgs/tools/misc/opentelemetry-collector/contrib.nix
index 384c448e1d9..e158f1c3f44 100644
--- a/pkgs/tools/misc/opentelemetry-collector/contrib.nix
+++ b/pkgs/tools/misc/opentelemetry-collector/contrib.nix
@@ -31,8 +31,6 @@ buildGoModule rec {
   ];
 
   meta = with lib; {
-    homepage = "https://github.com/open-telemetry/opentelemetry-collector-contrib";
-    changelog = "https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/v${version}/CHANGELOG.md";
     description = "OpenTelemetry Collector superset with additional community collectors";
     longDescription = ''
       The OpenTelemetry Collector offers a vendor-agnostic implementation on how
@@ -44,7 +42,10 @@ buildGoModule rec {
       components that are only useful to a relatively small number of users and
       is multiple times larger as a result.
     '';
+    homepage = "https://github.com/open-telemetry/opentelemetry-collector-contrib";
+    changelog = "https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/v${version}/CHANGELOG.md";
     license = licenses.asl20;
     maintainers = with maintainers; [ uri-canva jk ];
+    mainProgram = "otelcontribcol";
   };
 }
diff --git a/pkgs/tools/misc/wakatime/default.nix b/pkgs/tools/misc/wakatime/default.nix
index de746f39b47..26a80c6a659 100644
--- a/pkgs/tools/misc/wakatime/default.nix
+++ b/pkgs/tools/misc/wakatime/default.nix
@@ -23,5 +23,6 @@ buildGoModule rec {
       to install the wakatime CLI interface manually.
     '';
     license = licenses.bsd3;
+    mainProgram = "wakatime-cli";
   };
 }
diff --git a/pkgs/tools/misc/zsh-autoenv/default.nix b/pkgs/tools/misc/zsh-autoenv/default.nix
index 51cfda5e0aa..d16410c3153 100644
--- a/pkgs/tools/misc/zsh-autoenv/default.nix
+++ b/pkgs/tools/misc/zsh-autoenv/default.nix
@@ -35,6 +35,7 @@ stdenv.mkDerivation {
       variables (overwriting and restoring).
     '';
     homepage = "https://github.com/Tarrasch/zsh-autoenv";
+    mainProgram = "zsh-autoenv-share";
     platforms = lib.platforms.all;
   };
 }
diff --git a/pkgs/tools/networking/obfs4/default.nix b/pkgs/tools/networking/obfs4/default.nix
index 64e601c375c..d279f061737 100644
--- a/pkgs/tools/networking/obfs4/default.nix
+++ b/pkgs/tools/networking/obfs4/default.nix
@@ -16,5 +16,6 @@ buildGoModule rec {
     description = "A pluggable transport proxy";
     homepage = "https://www.torproject.org/projects/obfsproxy";
     maintainers = with maintainers; [ thoughtpolice ];
+    mainProgram = "obfs4proxy";
   };
 }
diff --git a/pkgs/tools/networking/ooniprobe-cli/default.nix b/pkgs/tools/networking/ooniprobe-cli/default.nix
index b6feafb4a00..01c5b637676 100644
--- a/pkgs/tools/networking/ooniprobe-cli/default.nix
+++ b/pkgs/tools/networking/ooniprobe-cli/default.nix
@@ -23,5 +23,6 @@ buildGoModule rec {
     homepage = "https://ooni.org/install/cli";
     license = licenses.gpl3Plus;
     maintainers = with maintainers; [ dotlambda ];
+    mainProgram = "ooniprobe";
   };
 }
diff --git a/pkgs/tools/networking/samplicator/default.nix b/pkgs/tools/networking/samplicator/default.nix
index 44546465d9e..158cac0a734 100644
--- a/pkgs/tools/networking/samplicator/default.nix
+++ b/pkgs/tools/networking/samplicator/default.nix
@@ -18,6 +18,7 @@ stdenv.mkDerivation rec {
     description = "Send copies of (UDP) datagrams to multiple receivers";
     homepage = "https://github.com/sleinen/samplicator/";
     license = lib.licenses.gpl2Plus;
+    mainProgram = "samplicate";
     platforms = lib.platforms.unix;
   };
 }
diff --git a/pkgs/tools/networking/slack-cli/default.nix b/pkgs/tools/networking/slack-cli/default.nix
index 25e426dc43e..ed6a817058c 100644
--- a/pkgs/tools/networking/slack-cli/default.nix
+++ b/pkgs/tools/networking/slack-cli/default.nix
@@ -44,6 +44,7 @@ stdenv.mkDerivation rec {
   meta = {
     license = lib.licenses.mit;
     maintainers = [ lib.maintainers.qyliss ];
+    mainProgram = "slack";
     platforms = lib.platforms.unix;
   };
 }
diff --git a/pkgs/tools/networking/tinc/default.nix b/pkgs/tools/networking/tinc/default.nix
index 2387c903a9b..2ca679b16c8 100644
--- a/pkgs/tools/networking/tinc/default.nix
+++ b/pkgs/tools/networking/tinc/default.nix
@@ -26,6 +26,7 @@ stdenv.mkDerivation rec {
     '';
     homepage="http://www.tinc-vpn.org/";
     license = lib.licenses.gpl2Plus;
+    mainProgram = "tincd";
     platforms = lib.platforms.unix;
   };
 }
diff --git a/pkgs/tools/nix/nixos-generators/default.nix b/pkgs/tools/nix/nixos-generators/default.nix
index e20f36b1ef9..a33833a230d 100644
--- a/pkgs/tools/nix/nixos-generators/default.nix
+++ b/pkgs/tools/nix/nixos-generators/default.nix
@@ -21,6 +21,7 @@ stdenv.mkDerivation rec {
     homepage    = "https://github.com/nix-community/nixos-generators";
     license     = licenses.mit;
     maintainers = with maintainers; [ lassulus ];
+    mainProgram = "nixos-generate";
     platforms   = platforms.unix;
   };
 }
diff --git a/pkgs/tools/security/bash-supergenpass/default.nix b/pkgs/tools/security/bash-supergenpass/default.nix
index ba80734e5cf..ae831bf8675 100644
--- a/pkgs/tools/security/bash-supergenpass/default.nix
+++ b/pkgs/tools/security/bash-supergenpass/default.nix
@@ -40,9 +40,10 @@ stdenv.mkDerivation {
 
       supergenpass will ask for your master password interactively, and it will not be displayed on your terminal.
     '';
+    homepage = "https://github.com/lanzz/bash-supergenpass";
     license = licenses.mit;
-    platforms = platforms.all;
     maintainers = with maintainers; [ fgaz ];
-    homepage = "https://github.com/lanzz/bash-supergenpass";
+    mainProgram = "supergenpass";
+    platforms = platforms.all;
   };
 }
diff --git a/pkgs/tools/security/sequoia/default.nix b/pkgs/tools/security/sequoia/default.nix
index 4803430018e..50477cf92f0 100644
--- a/pkgs/tools/security/sequoia/default.nix
+++ b/pkgs/tools/security/sequoia/default.nix
@@ -95,5 +95,6 @@ rustPlatform.buildRustPackage rec {
     homepage = "https://sequoia-pgp.org/";
     license = licenses.gpl2Plus;
     maintainers = with maintainers; [ minijackson doronbehar ];
+    mainProgram = "sq";
   };
 }
diff --git a/pkgs/tools/security/vault/vault-bin.nix b/pkgs/tools/security/vault/vault-bin.nix
index 048d06f2004..d1a26f25724 100644
--- a/pkgs/tools/security/vault/vault-bin.nix
+++ b/pkgs/tools/security/vault/vault-bin.nix
@@ -52,10 +52,11 @@ stdenv.mkDerivation rec {
   passthru.updateScript = ./update-bin.sh;
 
   meta = with lib; {
-    homepage = "https://www.vaultproject.io";
     description = "A tool for managing secrets, this binary includes the UI";
-    platforms = [ "x86_64-linux" "i686-linux" "x86_64-darwin" "aarch64-darwin" "aarch64-linux" ];
+    homepage = "https://www.vaultproject.io";
     license = licenses.mpl20;
     maintainers = with maintainers; teams.serokell.members ++ [ offline psyanticy Chili-Man techknowlogick ];
+    mainProgram = "vault";
+    platforms = [ "x86_64-linux" "i686-linux" "x86_64-darwin" "aarch64-darwin" "aarch64-linux" ];
   };
 }
diff --git a/pkgs/tools/system/nkeys/default.nix b/pkgs/tools/system/nkeys/default.nix
index 05d2d853b24..4693763a89c 100644
--- a/pkgs/tools/system/nkeys/default.nix
+++ b/pkgs/tools/system/nkeys/default.nix
@@ -21,5 +21,6 @@ buildGoModule rec {
     homepage = "https://github.com/nats-io/nkeys";
     license = with licenses; [ mit ];
     maintainers = with maintainers; [ fab ];
+    mainProgram = "nk";
   };
 }
diff --git a/pkgs/tools/system/taskspooler/default.nix b/pkgs/tools/system/taskspooler/default.nix
index 9899a9fb3f6..26925954778 100644
--- a/pkgs/tools/system/taskspooler/default.nix
+++ b/pkgs/tools/system/taskspooler/default.nix
@@ -23,9 +23,10 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = "Simple single node task scheduler";
-    license = licenses.gpl2Plus;
     homepage = "https://vicerveza.homeunix.net/~viric/wsgi-bin/hgweb.wsgi/ts";
-    platforms = platforms.unix;
+    license = licenses.gpl2Plus;
     maintainers = [ maintainers.sheepforce ];
+    mainProgram = "ts";
+    platforms = platforms.unix;
   };
 }
diff --git a/pkgs/tools/text/discount/default.nix b/pkgs/tools/text/discount/default.nix
index dd03bcfa6a3..44d50c0c963 100644
--- a/pkgs/tools/text/discount/default.nix
+++ b/pkgs/tools/text/discount/default.nix
@@ -42,6 +42,7 @@ stdenv.mkDerivation rec {
     homepage = "http://www.pell.portland.or.us/~orc/Code/discount/";
     license = licenses.bsd3;
     maintainers = with maintainers; [ shell ];
+    mainProgram = "markdown";
     platforms = platforms.unix;
   };
 }
diff --git a/pkgs/tools/text/replace/default.nix b/pkgs/tools/text/replace/default.nix
index 058c2ba3daa..62b83636b37 100644
--- a/pkgs/tools/text/replace/default.nix
+++ b/pkgs/tools/text/replace/default.nix
@@ -27,8 +27,9 @@ stdenv.mkDerivation rec {
   patches = [./malloc.patch];
 
   meta = {
-    homepage = "https://replace.richardlloyd.org.uk/";
     description = "A tool to replace verbatim strings";
+    homepage = "https://replace.richardlloyd.org.uk/";
+    mainProgram = "replace-literal";
     platforms = lib.platforms.unix;
   };
 }