1 files changed, 40 insertions, 0 deletions
diff --git a/pkgs/development/tools/yarn2nix-moretea/generate.sh b/pkgs/development/tools/yarn2nix-moretea/generate.sh
new file mode 100755
index 00000000000..bfe1cda5e71
--- /dev/null
+++ b/pkgs/development/tools/yarn2nix-moretea/generate.sh
@@ -0,0 +1,40 @@
+#!/usr/bin/env bash
+
+###
+### This script runs 'nix-build' with ./fetch-source.nix and copies a subset
+### of the resulting store path into the current working directory.
+###
+### To disable running chmod, you may set the environment
+### variable "FIX_RIGHTS" to "no".
+###
+
+set -euo pipefail
+
+# 'nix-build' command
+NIX_BUILD_BIN="${NIX_BUILD_BIN:-"/usr/bin/env nix-build"}"
+
+# where to place the yarn2nix source
+TARGET_DIR="${TARGET_DIR:-"./yarn2nix"}"
+
+# whether to run 'chmod -R u=rwX,g=rX,o-rwx' on copied files in $TARGET_DIR
+FIX_RIGHTS="${FIX_RIGHTS:-"yes"}"
+
+fetch_git_source() {
+  [[ -f ./fetch-source.nix ]] && ret="$($NIX_BUILD_BIN --no-out-link ./fetch-source.nix)" && ec="$?" || ec="$?"
+  if [[ "$ec" == "0" ]]; then
+    echo "$ret"
+  else
+    printf "error: failed at 'fetch_git_source()' with '%s'" "$ret"
+  fi
+}
+
+result="$(fetch_git_source)"
+if [[ "$result" == "/nix/store"* ]]; then
+  mkdir -p "$TARGET_DIR"
+  cp -Rv \
+    "${result}/"{bin,internal,lib,nix,default.nix,package.json,yarn.nix,yarn.lock,LICENSE.txt} \
+    "$TARGET_DIR"
+  [[ "$FIX_RIGHTS" = "yes" ]] \
+    && chmod -v "u=rwX,g=rX,o-rwx" -R \
+    "$TARGET_DIR/"{bin,internal,lib,nix,default.nix,package.json,yarn.nix,yarn.lock,LICENSE.txt}
+fi