mirror of
https://github.com/bazel-contrib/rules_foreign_cc
synced 2024-11-25 17:31:25 +00:00
76 lines
2 KiB
Plaintext
Executable file
76 lines
2 KiB
Plaintext
Executable file
function symlink_contents_to_dir() {
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if [[ -z "$1" ]]; then
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echo "arg 1 to symlink_contents_to_dir is unexpectedly empty"
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exit 1
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fi
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if [[ -z "$2" ]]; then
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echo "arg 2 to symlink_contents_to_dir is unexpectedly empty"
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exit 1
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fi
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local target="$2"
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mkdir -p "$target"
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local replace_in_files="${3:-}"
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if [[ -f "$1" ]]; then
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symlink_to_dir "$1" "$target" "$replace_in_files"
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elif [[ -L "$1" ]]; then
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local actual=$(readlink "$1")
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symlink_contents_to_dir "$actual" "$target" "$replace_in_files"
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elif [[ -d "$1" ]]; then
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SAVEIFS=$IFS
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IFS=$'
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'
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local children=($(find -H "$1" -maxdepth 1 -mindepth 1))
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IFS=$SAVEIFS
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for child in "${children[@]:-}"; do
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symlink_to_dir "$child" "$target" "$replace_in_files"
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done
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fi
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}
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function symlink_to_dir() {
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if [[ -z "$1" ]]; then
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echo "arg 1 to symlink_to_dir is unexpectedly empty"
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exit 1
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fi
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if [[ -z "$2" ]]; then
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echo "arg 2 to symlink_to_dir is unexpectedly empty"
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exit 1
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fi
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local target="$2"
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mkdir -p "$target"
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local replace_in_files="${3:-}"
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if [[ -f "$1" ]]; then
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# In order to be able to use `replace_in_files`, we ensure that we create copies of specfieid
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# files so updating them is possible.
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if [[ "$1" == *.pc || "$1" == *.la || "$1" == *-config || "$1" == *.mk || "$1" == *.cmake ]]; then
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dest="$target/$(basename "$1")"
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cp "$1" "$dest" && chmod +w "$dest" && touch -r "$1" "$dest"
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else
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ln -sf "$1" "$target/${1##*/}"
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fi
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elif [[ -L "$1" && ! -d "$1" ]]; then
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cp -pR "$1" "$2"
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elif [[ -d "$1" ]]; then
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# If not replacing in files, simply create a symbolic link rather than traversing tree of files, which can result in very slow builds
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if [[ "$replace_in_files" = False ]]; then
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ln -s -f "$1" "$target"
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return
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fi
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SAVEIFS=$IFS
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IFS=$'
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'
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local children=($(find -H "$1" -maxdepth 1 -mindepth 1))
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IFS=$SAVEIFS
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local dirname=$(basename "$1")
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mkdir -p "$target/$dirname"
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for child in "${children[@]:-}"; do
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if [[ -n "$child" && "$dirname" != *.ext_build_deps ]]; then
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symlink_to_dir "$child" "$target/$dirname" "$replace_in_files"
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fi
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done
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else
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echo "Can not copy $1"
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fi
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}
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symlink_contents_to_dir $SOURCE_DIR $TARGET_DIR False |