54 lines
1.3 KiB
Bash
54 lines
1.3 KiB
Bash
#!/bin/sh
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nix_print() {
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if [ ${NIX_DEBUG:-0} -ge $1 ]; then
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echo "$2"
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fi
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}
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nix_debug() {
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nix_print 3 "$1"
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}
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addToLuaSearchPathWithCustomDelimiter() {
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local varName="$1"
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local absPattern="$2"
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# export only if we haven't already got this dir in the search path
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if [[ ${!varName-} == *"$absPattern"* ]]; then return; fi
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# if the path variable has not yet been set, initialize it to ";;"
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# this is a magic value that will be replaced by the default,
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# allowing relative modules to be used even when there are system modules.
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if [[ ! -v "${varName}" ]]; then export "${varName}=;;"; fi
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# export only if the folder contains lua files
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shopt -s globstar
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local adjustedPattern="${absPattern/\?/\*\*\/\*}"
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for _file in $adjustedPattern; do
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export "${varName}=${!varName:+${!varName};}${absPattern}"
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shopt -u globstar
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return;
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done
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shopt -u globstar
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}
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addToLuaPath() {
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local dir="$1"
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if [[ ! -d "$dir" ]]; then
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nix_debug "$dir not a directory abort"
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return 0
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fi
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cd "$dir"
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for pattern in @luapathsearchpaths@; do
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addToLuaSearchPathWithCustomDelimiter LUA_PATH "$PWD/$pattern"
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done
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# LUA_CPATH
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for pattern in @luacpathsearchpaths@; do
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addToLuaSearchPathWithCustomDelimiter LUA_CPATH "$PWD/$pattern"
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done
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cd - >/dev/null
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}
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