117 lines
2.9 KiB
Nix
117 lines
2.9 KiB
Nix
{
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lib,
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sanitizeName,
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}:
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let
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hookStageFileArgs =
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stage: passFilenames:
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if !passFilenames then
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""
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else if stage == "pre-commit" then
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" {staged_files}"
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else if stage == "pre-push" then
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" {push_files}"
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else if stage == "commit-msg" then
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" {1}"
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else
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throw "repo-lib: unsupported lefthook stage '${stage}'";
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normalizeHookStage =
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hookName: stage:
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if
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builtins.elem stage [
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"pre-commit"
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"pre-push"
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"commit-msg"
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]
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then
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stage
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else
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throw "repo-lib: hook '${hookName}' has unsupported stage '${stage}' for lefthook";
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in
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{
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inherit hookStageFileArgs normalizeHookStage;
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checkToLefthookConfig =
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pkgs: name: rawCheck:
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let
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check = {
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stage = "pre-commit";
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passFilenames = false;
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runtimeInputs = [ ];
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}
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// rawCheck;
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wrapperName = "repo-lib-check-${sanitizeName name}";
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wrapper = pkgs.writeShellApplication {
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name = wrapperName;
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runtimeInputs = check.runtimeInputs;
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text = ''
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set -euo pipefail
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${check.command}
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'';
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};
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in
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if !(check ? command) then
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throw "repo-lib: check '${name}' is missing 'command'"
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else if
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!(builtins.elem check.stage [
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"pre-commit"
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"pre-push"
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])
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then
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throw "repo-lib: check '${name}' has unsupported stage '${check.stage}'"
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else
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lib.setAttrByPath [ check.stage "commands" name ] {
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run = "${wrapper}/bin/${wrapperName}${hookStageFileArgs check.stage check.passFilenames}";
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};
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normalizeLefthookConfig =
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label: raw: if builtins.isAttrs raw then raw else throw "repo-lib: ${label} must be an attrset";
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hookToLefthookConfig =
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name: hook:
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let
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supportedFields = [
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"description"
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"enable"
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"entry"
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"name"
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"package"
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"pass_filenames"
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"stages"
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];
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unsupportedFields = builtins.filter (field: !(builtins.elem field supportedFields)) (
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builtins.attrNames hook
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);
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stages = builtins.map (stage: normalizeHookStage name stage) (hook.stages or [ "pre-commit" ]);
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passFilenames = hook.pass_filenames or false;
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in
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if unsupportedFields != [ ] then
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throw ''
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repo-lib: hook '${name}' uses unsupported fields for lefthook: ${lib.concatStringsSep ", " unsupportedFields}
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''
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else if !(hook ? entry) then
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throw "repo-lib: hook '${name}' is missing 'entry'"
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else
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lib.foldl' lib.recursiveUpdate { } (
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builtins.map (
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stage:
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lib.setAttrByPath [ stage "commands" name ] {
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run = "${hook.entry}${hookStageFileArgs stage passFilenames}";
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}
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) stages
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);
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parallelHookStageConfig =
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stage:
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if
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builtins.elem stage [
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"pre-commit"
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"pre-push"
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]
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then
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lib.setAttrByPath [ stage "parallel" ] true
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else
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{ };
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}
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