mirror of
https://github.com/LnL7/nix-darwin.git
synced 2024-12-15 17:51:01 +00:00
50 lines
1.3 KiB
Bash
50 lines
1.3 KiB
Bash
#! @shell@
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set -e
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set -o pipefail
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export PATH=@path@:$PATH
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showSyntax() {
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echo "darwin-version [--help|--darwin-revision|--nixpkgs-revision|--configuration-revision|--json]" >&2
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}
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case "$1" in
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--help)
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showSyntax
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;;
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--darwin-revision)
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revision="$(jq --raw-output '.darwinRevision // "null"' < /run/current-system/darwin-version.json)"
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if [[ "$revision" == "null" ]]; then
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echo "$0: nix-darwin commit hash is unknown" >&2
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exit 1
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fi
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echo "$revision"
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;;
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--nixpkgs-revision)
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revision="$(jq --raw-output '.nixpkgsRevision // "null"' < /run/current-system/darwin-version.json)"
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if [[ "$revision" == "null" ]]; then
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echo "$0: Nixpkgs commit hash is unknown" >&2
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exit 1
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fi
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echo "$revision"
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;;
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--configuration-revision)
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revision="$(jq --raw-output '.configurationRevision // "null"' < /run/current-system/darwin-version.json)"
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if [[ "$revision" == "null" ]]; then
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echo "$0: configuration commit hash is unknown" >&2
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exit 1
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fi
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echo "$revision"
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;;
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--json)
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cat /run/current-system/darwin-version.json
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;;
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*)
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label="$(jq --raw-output '.darwinLabel // "null"' < /run/current-system/darwin-version.json)"
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if [[ "$label" == "null" ]]; then
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showSyntax
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exit 1
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fi
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echo "$label"
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;;
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esac
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