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authorBignaux Ronan <ronan@aimao.org>2020-03-03 01:40:57 +0100
committerBignaux Ronan <ronan@aimao.org>2020-03-03 01:40:57 +0100
commitebaedb5377dcc5e6aca28ef666871e424dd39938 (patch)
tree97df6fac37431fc4f9bd751e2c91d9b5362e42b6 /pkgs/build-support/appimage/default.nix
parent619a095af0efa15631e311c98b56a015fdf4614b (diff)
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appimage: refactoring extractType2 to avoid use of appimage packer
Diffstat (limited to 'pkgs/build-support/appimage/default.nix')
-rw-r--r--pkgs/build-support/appimage/default.nix15
1 files changed, 8 insertions, 7 deletions
diff --git a/pkgs/build-support/appimage/default.nix b/pkgs/build-support/appimage/default.nix
index c871df787b7..f4ccd038f76 100644
--- a/pkgs/build-support/appimage/default.nix
+++ b/pkgs/build-support/appimage/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, libarchive, patchelf, zlib, buildFHSUserEnv, writeScript }:
+{ stdenv, libarchive, radare2, jq, buildFHSUserEnv, squashfsTools, writeScript }:
 
 rec {
   # Both extraction functions could be unified, but then
@@ -19,15 +19,16 @@ rec {
     name = "${name}-extracted";
     inherit src;
 
-    nativeBuildInputs = [ patchelf ];
+    nativeBuildInputs = [ radare2 jq squashfsTools ];
     buildCommand = ''
       install $src ./appimage
-      patchelf \
-        --set-interpreter ${stdenv.cc.bintools.dynamicLinker} \
-        --replace-needed libz.so.1 ${zlib}/lib/libz.so.1 \
-        ./appimage
 
-      ./appimage --appimage-extract
+      # multiarch offset one-liner using same method as AppImage
+      # see https://gist.github.com/probonopd/a490ba3401b5ef7b881d5e603fa20c93
+      offset=$(r2 ./appimage -nn -Nqc "pfj.elf_header @ 0" |\
+        jq 'map({(.name): .value}) | add | .shoff + (.shnum * .shentsize)')
+
+      unsquashfs -o $offset ./appimage
 
       cp -rv squashfs-root $out
     '';