mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-23 06:01:15 +00:00
603b799bcb
This allows for a less blanket approach than nuke-refs, targetting specific references that we know we don't want rather than all references that we don't know we want.
35 lines
1,020 B
Nix
35 lines
1,020 B
Nix
# The program `remove-references-to' created by this derivation replaces all
|
|
# references to the given Nix store paths in the specified files by a
|
|
# non-existent path (/nix/store/eeee...). This is useful for getting rid of
|
|
# dependencies that you know are not actually needed at runtime.
|
|
|
|
{ stdenv, writeScriptBin }:
|
|
|
|
writeScriptBin "remove-references-to" ''
|
|
#! ${stdenv.shell} -e
|
|
|
|
# References to remove
|
|
targets=()
|
|
while getopts t: o; do
|
|
case "$o" in
|
|
t) storeId=$(echo "$OPTARG" | sed -n "s|^$NIX_STORE/\\([a-z0-9]\{32\}\\)-.*|\1|p")
|
|
if [ -z "$storeId" ]; then
|
|
echo "-t argument must be a Nix store path"
|
|
exit 1
|
|
fi
|
|
targets+=("$storeId")
|
|
esac
|
|
done
|
|
shift $(($OPTIND-1))
|
|
|
|
# Files to remove the references from
|
|
regions=()
|
|
for i in "$@"; do
|
|
test ! -L "$i" -a -f "$i" && regions+=("$i")
|
|
done
|
|
|
|
for target in "''${targets[@]}" ; do
|
|
sed -i -e "s|$NIX_STORE/$target-|$NIX_STORE/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-|g" "''${regions[@]}"
|
|
done
|
|
''
|