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https://github.com/NixOS/nixpkgs.git
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2c8c8f2961
Adding empty variables can lead to this problem:
```diff
wrapProgram \
./pye_menu_shell \
--prefix PATH : /nix/store/4c3z5r6yxsf2cxwwyazhdn92xixn4j5b-python3-3.7.5/bin:/nix/store/b3l3niilvqcxcsbxmd6sgqk1dy1rk81c-pye-menu-1.0/bin:/nix/store/y8j1cfj8d9r5rbbxc22w7hnfjw5f4fd3-cairo-1.16.0-dev/bin:/nix/store/6mg7lfbdh9pgx7pbxr3544qqbrigdl1q-freetype-2.10.1-dev/bin:/nix/store/gpszqcy0xi0lavbbjdq82zkkjp3jbp2a-bzip2-1.0.6.0.1-bin/bin:/nix/store/031c5pk5lzabgmpqpyd46hzi625as6bp-libpng-apng-1.6.37-dev/bin:/nix/store/f8kl7kmpv130aw9zm542p74a3hg0yc13-fontconfig-2.12.6-bin/bin:/nix/store/bqp30vkncmm222mjvwggz0s7p318sflj-expat-2.2.7-dev/bin:/nix/store/w57xa8g4s4aviwmqwgra7m5hwj2b005m-glib-2.60.7-dev/bin:/nix/store/v5d4966ahvfir2hwpv003022f3pb7vik-gettext-0.19.8.1/bin:/nix/store/qpvxhl1jr0fxnrx9idnpdagqs00m5m2z-glib-2.60.7/bin \
--set PYTHONNOUSERSITE true \
--set GDK_PIXBUF_MODULE_FILE /nix/store/7ddlakx6xjczqbfs80xjd14f30fzadws-gdk-pixbuf-2.38.1/lib/gdk-pixbuf-2.0/2.10.0/loaders.cache \
--prefix XDG_DATA_DIRS : /nix/store/0snjc1qg89zqn3v35l9d55xrykh9nj5c-gtk+3-3.24.10/share/gsettings-schemas/gtk+3-3.24.10:/nix/store/b41z51vdv11n6df8ki5vj8dynxw98f9l-gsettings-desktop-schemas-3.32.0/share/gsettings-schemas/gsettings-desktop-schemas-3.32.0:/nix/store/0snjc1qg89zqn3v35l9d55xrykh9nj5c-gtk+3-3.24.10/share/gsettings-schemas/gtk+3-3.24.10 \
- --prefix GST_PLUGIN_SYSTEM_PATH_1_0 : \
+ --prefix GST_PLUGIN_SYSTEM_PATH_1_0 : "" \
--prefix GI_TYPELIB_PATH : /nix/store/0snjc1qg89zqn3v35l9d55xrykh9nj5c-gtk+3-3.24.10/lib/girepository-1.0:/nix/store/z29l5xaaxh1s0697mcldj71ab0zshry1-librsvg-2.44.15/lib/girepository-1.0:/nix/store/pija1xzm7izxfb5m2hvhvlwp1l38ffxa-gobject-introspection-1.60.2/lib/girepository-1.0 \
- --prefix GRL_PLUGIN_PATH :
+ --prefix GRL_PLUGIN_PATH : ""
```
Where the diff is to highlight the problem: we don't have a valid value
for GST_PLUGIN_SYSTEM_PATH_1_0 or GRL_PLUGIN_PATH, and instead of
passing the empy string, the empty string gets unquoted somewhere, so we
end up passing no arguments, thus the parser in wrapProgram takes
--prefix as the argument of GST_PLUGIN_SYSTEM_PATH_1_0, and then
GI_TYPELIB_PATH is missing it's --prefix so wrapProgram complains/dies.
The easiest change is to not add empty arguments to the wrapper
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| .. | ||
| add-opengl-runpath | ||
| agda | ||
| appimage | ||
| bintools-wrapper | ||
| build-bazel-package | ||
| build-dotnet-package | ||
| build-fhs-userenv | ||
| build-setupcfg | ||
| buildenv | ||
| cc-wrapper | ||
| docker | ||
| dotnetbuildhelpers | ||
| dotnetenv | ||
| emacs | ||
| expand-response-params | ||
| fetchbitbucket | ||
| fetchbower | ||
| fetchbzr | ||
| fetchcvs | ||
| fetchdarcs | ||
| fetchdocker | ||
| fetchfossil | ||
| fetchgit | ||
| fetchgithub | ||
| fetchgitlab | ||
| fetchgitlocal | ||
| fetchgx | ||
| fetchhg | ||
| fetchipfs | ||
| fetchmavenartifact | ||
| fetchmtn | ||
| fetchnuget | ||
| fetchpatch | ||
| fetchrepoorcz | ||
| fetchrepoproject | ||
| fetchs3 | ||
| fetchsavannah | ||
| fetchsvn | ||
| fetchsvnrevision | ||
| fetchsvnssh | ||
| fetchurl | ||
| fetchzip | ||
| icon-conv-tools | ||
| install-shell-files | ||
| kernel | ||
| libredirect | ||
| make-desktopitem | ||
| make-startupitem | ||
| make-symlinks | ||
| mkshell | ||
| mono-dll-fixer | ||
| nix-gitignore | ||
| nuke-references | ||
| ocaml | ||
| oci-tools | ||
| prefer-remote-fetch | ||
| references-by-popularity | ||
| release | ||
| remove-references-to | ||
| rust | ||
| setup-hooks | ||
| singularity-tools | ||
| skaware | ||
| snap | ||
| src-only | ||
| substitute | ||
| substitute-files | ||
| templaterpm | ||
| upstream-updater | ||
| vm | ||
| wrapper-common | ||
| writers | ||
| build-maven.nix | ||
| build-pecl.nix | ||
| closure-info.nix | ||
| dhall-to-nix.nix | ||
| plugins.nix | ||
| replace-dependency.nix | ||
| setup-systemd-units.nix | ||
| source-from-head-fun.nix | ||
| trivial-builders.nix | ||