nixpkgs-suyu/pkgs/tools/package-management/appimage-run/default.nix
2019-04-20 12:32:09 +02:00

56 lines
1.6 KiB
Nix

{ stdenv, writeScript, buildFHSUserEnv, coreutils, file, libarchive, runtimeShell
, extraPkgs ? pkgs: [], appimageTools }:
let
fhsArgs = appimageTools.defaultFhsEnvArgs;
in buildFHSUserEnv (fhsArgs // {
name = "appimage-run";
targetPkgs = pkgs: fhsArgs.targetPkgs pkgs ++ extraPkgs pkgs;
runScript = writeScript "appimage-exec" ''
#!${runtimeShell}
if [ $# -eq 0 ]; then
echo "Usage: $0 FILE [OPTION...]"
echo
echo 'Options are passed on to the appimage.'
echo "If you want to execute a custom command in the appimage's environment, set the APPIMAGE_DEBUG_EXEC environment variable."
exit 1
fi
APPIMAGE="$(realpath "$1")"
shift
if [ ! -x "$APPIMAGE" ]; then
echo "fatal: $APPIMAGE is not executable"
exit 1
fi
SHA256="$(${coreutils}/bin/sha256sum "$APPIMAGE" | cut -d ' ' -f 1)"
SQUASHFS_ROOT="''${XDG_CACHE_HOME:-$HOME/.cache}/appimage-run/$SHA256/"
mkdir -p "$SQUASHFS_ROOT"
export APPDIR="$SQUASHFS_ROOT/squashfs-root"
if [ ! -x "$APPDIR" ]; then
cd "$SQUASHFS_ROOT"
if ${file}/bin/file --mime-type --brief --keep-going "$APPIMAGE" | grep -q iso; then
# is type-1 appimage
mkdir "$APPDIR"
${libarchive}/bin/bsdtar -x -C "$APPDIR" -f "$APPIMAGE"
else
# is type-2 appimage
"$APPIMAGE" --appimage-extract 2>/dev/null
fi
fi
cd "$APPDIR"
export PATH="$PATH:$PWD/usr/bin"
export APPIMAGE_SILENT_INSTALL=1
if [ -n "$APPIMAGE_DEBUG_EXEC" ]; then
exec "$APPIMAGE_DEBUG_EXEC"
fi
exec ./AppRun "$@"
'';
})