1# Inspired by python/wrapper.nix
2# Wrapper around wrapLuaProgramsIn, below. The $luaPath
3# variable is passed in from the buildLuarocksPackage function.
4set -e
5
6source @lua@/nix-support/utils.sh
7
8wrapLuaPrograms() {
9 wrapLuaProgramsIn "$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 # Rewrite "#! .../env lua" to "#! /nix/store/.../lua".
32 # Lua to use besides one with this hook anyway.
33 if head -n1 "$f" | grep -q '#!.*/env.*\(lua\)'; then
34 sed -i "$f" -e "1 s^.*/env[ ]*\(lua\)[^ ]*^#! @executable@^"
35 fi
36
37 # wrapProgram creates the executable shell script described
38 # above. The script will set LUA_(C)PATH and PATH variables!
39 # (see pkgs/build-support/setup-hooks/make-wrapper.sh)
40 local -a wrap_args=("$f"
41 --prefix PATH ':' "$program_PATH"
42 --prefix LUA_PATH ';' "$LUA_PATH"
43 --prefix LUA_CPATH ';' "$LUA_CPATH"
44 )
45
46 # Add any additional arguments provided by makeWrapperArgs
47 # argument to buildLuaPackage.
48 # makeWrapperArgs
49 local -a user_args="($makeWrapperArgs)"
50 local -a wrapProgramArgs=("${wrap_args[@]}" "${user_args[@]}")
51
52 # see setup-hooks/make-wrapper.sh
53 wrapProgram "${wrapProgramArgs[@]}"
54
55 done
56}