da31bd5673
Init patchRcPath hooks, which provides utilities to patch shell scripts to be sourced by users. Add test cases and documentation.
50 lines
2.1 KiB
Bash
50 lines
2.1 KiB
Bash
patchRcPathFish(){
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local FILE_TO_PATCH="$1"
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local SOURCETIME_PATH="$2"
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local FILE_TO_WORK_ON="$(mktemp "$(basename "$FILE_TO_PATCH").XXXXXX.tmp")"
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cat <<EOF >> "$FILE_TO_WORK_ON"
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# Lines to add to PATH the source-time utilities for Nixpkgs packaging
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if set -q NIXPKGS_SOURCETIME_PATH && test (count \$NIXPKGS_SOURCETIME_PATH) -gt 0
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set --unpath NIXPKGS_SOURCETIME_PATH_OLD "\$NIXPKGS_SOURCETIME_PATH" \$NIXPKGS_SOURCETIME_PATH_OLD
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end
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set --path NIXPKGS_SOURCETIME_PATH $SOURCETIME_PATH
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set -g --path PATH \$NIXPKGS_SOURCETIME_PATH \$PATH
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# End of lines to add to PATH source-time utilities for Nixpkgs packaging
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EOF
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cat "$FILE_TO_PATCH" >> "$FILE_TO_WORK_ON"
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cat <<EOF >> "$FILE_TO_WORK_ON"
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# Lines to clean up inside PATH the source-time utilities for Nixpkgs packaging
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if set -q PATH && test "\$PATH" != "" && test (count \$PATH) -ge (count \$NIXPKGS_SOURCETIME_PATH)
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# Remove the inserted section
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for i in (seq 0 (math (count \$PATH) - (count \$NIXPKGS_SOURCETIME_PATH)))
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for j in (seq 1 (count \$NIXPKGS_SOURCETIME_PATH))
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if test \$PATH[(math \$i + \$j)] != \$NIXPKGS_SOURCETIME_PATH[\$j]
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set i -1
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break
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end
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end
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if test \$i -eq -1
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continue
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end
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if test \$i -eq 0
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set -g --path PATH \$PATH[(math (count \$NIXPKGS_SOURCETIME_PATH) + 1)..]
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else
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set -g --path PATH \$PATH[..\$i] \$PATH[(math (count \$NIXPKGS_SOURCETIME_PATH) + 1 + \$i)..]
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end
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break
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end
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end
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if set -q NIXPKGS_SOURCETIME_PATH_OLD && test (count \$NIXPKGS_SOURCETIME_PATH_OLD) -gt 0
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set --path NIXPKGS_SOURCETIME_PATH \$NIXPKGS_SOURCETIME_PATH_OLD[1]
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set --unpath NIXPKGS_SOURCETIME_PATH_OLD \$NIXPKGS_SOURCETIME_PATH_OLD[2..]
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else
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set -e NIXPKGS_SOURCETIME_PATH
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end
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if set -q NIXPKGS_SOURCETIME_PATH_OLD && test (count \$NIXPKGS_SOURCETIME_PATH_OLD) -eq 0
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set -e NIXPKGS_SOURCETIME_PATH_OLD
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end
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# End of lines to clean up inside PATH the source-time utilities for Nixpkgs packaging
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EOF
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cat "$FILE_TO_WORK_ON" > "$FILE_TO_PATCH"
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rm "$FILE_TO_WORK_ON"
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}
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