tjh.dev
nixpkgs mirror (for testing)
github.com/NixOS/nixpkgs
nix
1# Inspired by python/wrapper.nix
2# Wrapper around wrapLuaProgramsIn, below. The $luaPath
3# variable is passed in from the buildLuarocksPackage function.
4set -e
5
6source @luaBuild@/nix-support/utils.sh
7
8wrapLuaPrograms() {
9 wrapLuaProgramsIn "$out/bin" "$out $luaPath"
10}
11
12# with an executable shell script which will set some environment variables
13# and then call into the original binary (which has been given a .wrapped suffix).
14# luaPath is a list of directories
15wrapLuaProgramsIn() {
16 local dir="$1"
17 local luaPath="$2"
18 local f
19
20 buildLuaPath "$luaPath"
21
22 if [ ! -d "$dir" ]; then
23 nix_debug "$dir not a directory"
24 return
25 fi
26
27 nix_debug "wrapping programs in [$dir]"
28
29 # Find all regular files in the output directory that are executable.
30 find "$dir" -type f -perm -0100 -print0 | while read -d "" f; do
31 if head -n1 "$f" | grep -q '#!.*'; then
32 # Cross-compilation hack: exec '/nix/store/...-lua-.../bin/lua' execute
33 # the host lua
34 substituteInPlace "$f" \
35 --replace-fail "@luaBuild@" "@luaHost@"
36 # Build platform's Luarocks writes scripts that reference luarocks
37 # itself in them, so we fix these references to reference the host
38 # platform's luarocks.
39 substituteInPlace "$f" \
40 --replace-fail "@luarocksBuild@" "@luarocksHost@"
41 fi
42
43 # wrapProgram creates the executable shell script described
44 # above. The script will set LUA_(C)PATH and PATH variables!
45 # (see pkgs/build-support/setup-hooks/make-wrapper.sh)
46 local -a wrap_args=("$f"
47 --prefix PATH ':' "$program_PATH"
48 --prefix LUA_PATH ';' "$LUA_PATH"
49 --prefix LUA_CPATH ';' "$LUA_CPATH"
50 )
51
52 # Add any additional arguments provided by makeWrapperArgs
53 # argument to buildLuaPackage.
54 # makeWrapperArgs
55 local -a user_args="($makeWrapperArgs)"
56 local -a wrapProgramArgs=("${wrap_args[@]}" "${user_args[@]}")
57
58 # see setup-hooks/make-wrapper.sh
59 wrapProgram "${wrapProgramArgs[@]}"
60
61 # Same as above, but now for the wrapper script
62 substituteInPlace "$f" \
63 --replace-fail "@luarocksBuild@" "@luarocksHost@"
64
65 done
66}