73 lines
1.5 KiB
Bash
Executable file
73 lines
1.5 KiB
Bash
Executable file
#!/usr/bin/env nix-shell
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#!nix-shell -i bash -p jq ncurses
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# shellcheck shell=bash
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# Get a nixpkgs maintainer's metadata as a JSON object
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# see HELP_MESSAGE just below, or README.md.
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set -euo pipefail
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declare -A SELECTORS=( [handle]= [email]= [github]= [githubId]= [matrix]= [name]= )
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HELP_MESSAGE="usage: '$0' [selector] value
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examples:
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get-maintainer.sh nicoo
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get-maintainer.sh githubId 1155801
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\`selector\` defaults to 'handle', can be one of:
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${!SELECTORS[*]}
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"
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MAINTAINERS_DIR="$(dirname "$0")/.."
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die() {
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tput setaf 1 # red
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echo "'$0': $*"
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tput setaf 0 # back to black
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exit 1
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}
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listAsJSON() {
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nix-instantiate --eval --strict --json "${MAINTAINERS_DIR}/maintainer-list.nix"
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}
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parseArgs() {
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[ $# -gt 0 -a $# -lt 3 ] || {
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echo "$HELP_MESSAGE"
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die "invalid number of arguments (must be 1 or 2)"
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}
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if [ $# -eq 1 ]; then
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selector=handle
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else
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selector="$1"
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shift
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fi
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[ -z "${SELECTORS[$selector]-n}" ] || {
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echo "Valid selectors are:" "${!SELECTORS[@]}" >&2
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die "invalid selector '$selector'"
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}
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value="$1"
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shift
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}
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query() {
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# explode { a: A, b: B, ... } into A + {handle: a}, B + {handle: b}, ...
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local explode="to_entries[] | .value + { \"handle\": .key }"
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# select matching items from the list
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# TODO(nicoo): Support approximate matching for `name` ?
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local select
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case "$selector" in
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githubId)
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select="select(.${selector} == $value)"
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;;
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*)
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select="select(.${selector} == \"$value\")"
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esac
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echo "$explode | $select"
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}
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parseArgs "$@"
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listAsJSON | jq -e "$(query)"
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