86 lines
2.1 KiB
Bash
Executable file
86 lines
2.1 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -e
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scriptName=mark-broken # do not use the .wrapped name
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die() {
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echo "$scriptName: error: $1" >&2
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exit 1
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}
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usage() {
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echo "Usage: $scriptName <attr> [--new-value=<new-value>]"
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}
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args=()
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for arg in "$@"; do
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case $arg in
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--new-value=*)
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newValue="${arg#*=}"
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;;
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--help)
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usage
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exit 0
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;;
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--*)
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echo "$scriptName: Unknown argument: $arg"
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usage
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exit 1
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;;
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*)
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args["${#args[*]}"]=$arg
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;;
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esac
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done
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attr=${args[0]}
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if (( "${#args[*]}" < 1 )); then
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echo "$scriptName: Too few arguments"
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usage
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exit 1
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fi
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if (( "${#args[*]}" > 1 )); then
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echo "$scriptName: Too many arguments"
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usage
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exit 1
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fi
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if [ -z $newValue ]; then
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newValue="true"
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fi
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nixFile=$(nix-instantiate --eval --json -E "with import ./. {}; (builtins.unsafeGetAttrPos \"description\" $attr.meta).file" | jq -r .)
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if [[ ! -f "$nixFile" ]]; then
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die "Couldn't evaluate 'builtins.unsafeGetAttrPos \"description\" $attr.meta' to locate the .nix file!"
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fi
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# Insert broken attribute
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sed -i.bak "$nixFile" -r \
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-e "/^\s*broken\s*=.*$/d" \
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-e "s/(\s*)meta\s*=.*\{/&\n\1 broken = $newValue;/"
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if cmp -s "$nixFile" "$nixFile.bak"; then
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mv "$nixFile.bak" "$nixFile"
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die "Failed to mark the package as broken! Does it have a meta attribute?"
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fi
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if [[ "$newValue" == "true" ]]; then
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# broken should evaluate to true in any case now
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markedSuccessfully=$(nix-instantiate --eval -E "with import ./. {}; $attr.meta.broken" || true)
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if [[ ! "$markedSuccessfully" == "true" ]]; then
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mv "$nixFile.bak" "$nixFile"
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die "Couldn't verify the broken attribute to be set correctly, restoring backup!"
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fi
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else
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# we can not check if broken evaluates to the correct value, but we can check that it does evaluate
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if ! nix-instantiate --eval -E "with import ./. {}; $attr.meta.broken" >/dev/null; then
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mv "$nixFile.bak" "$nixFile"
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die "Couldn't verify the broken attribute to be set correctly, restoring backup!"
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fi
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fi
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rm -f "$nixFile.bak"
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rm -f "$attr.fetchlog"
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