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57 lines
1.7 KiB
Bash
57 lines
1.7 KiB
Bash
# Inspired by python/wrapper.nix
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# Wrapper around wrapLuaProgramsIn, below. The $luaPath
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# variable is passed in from the buildLuarocksPackage function.
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set -e
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source @lua@/nix-support/utils.sh
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wrapLuaPrograms() {
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wrapLuaProgramsIn "$out/bin" "$out $luaPath"
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}
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# with an executable shell script which will set some environment variables
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# and then call into the original binary (which has been given a .wrapped suffix).
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# luaPath is a list of directories
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wrapLuaProgramsIn() {
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local dir="$1"
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local luaPath="$2"
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local f
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buildLuaPath "$luaPath"
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if [ ! -d "$dir" ]; then
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nix_debug "$dir not a directory"
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return
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fi
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nix_debug "wrapping programs in [$dir]"
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# Find all regular files in the output directory that are executable.
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find "$dir" -type f -perm -0100 -print0 | while read -d "" f; do
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# Rewrite "#! .../env lua" to "#! /nix/store/.../lua".
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# Lua to use besides one with this hook anyway.
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if head -n1 "$f" | grep -q '#!.*/env.*\(lua\)'; then
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sed -i "$f" -e "1 s^.*/env[ ]*\(lua\)[^ ]*^#! @executable@^"
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fi
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# wrapProgram creates the executable shell script described
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# above. The script will set LUA_(C)PATH and PATH variables!
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# (see pkgs/build-support/setup-hooks/make-wrapper.sh)
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local -a wrap_args=("$f"
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--prefix PATH ':' "$program_PATH"
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--prefix LUA_PATH ';' "$LUA_PATH"
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--prefix LUA_CPATH ';' "$LUA_CPATH"
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)
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# Add any additional arguments provided by makeWrapperArgs
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# argument to buildLuaPackage.
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# makeWrapperArgs
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local -a user_args="($makeWrapperArgs)"
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local -a wrapProgramArgs=("${wrap_args[@]}" "${user_args[@]}")
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# see setup-hooks/make-wrapper.sh
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wrapProgram "${wrapProgramArgs[@]}"
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done
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}
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