47 lines
1.7 KiB
Go
47 lines
1.7 KiB
Go
package ckconfig
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import (
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"errors"
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"fmt"
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"io"
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commandkit "gitea.maximumdirect.net/eric/CommandKit"
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)
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func runConfigDiff[I, S any](invocation commandkit.Invocation, plan *configOperationPlan[I, S], state S) commandkit.Outcome {
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if plan.comparison == nil || plan.comparison.scope == nil {
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cause := errors.New("configuration comparison was not prepared")
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return configFailure("Configuration comparison was not prepared.", commandkit.Explanation{}, cause)
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}
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selected := plan.comparison
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if err := invocation.Context.Err(); err != nil {
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return configFailure("Configuration comparison was canceled.", commandkit.Explanation{}, err)
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}
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compare := selected.scope.scope.Compare
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if compare == nil {
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cause := fmt.Errorf("configuration scope %q has no comparison callback", selected.scope.scope.Name)
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return configFailure("Configuration scope does not support comparison.", commandkit.Explanation{}, cause)
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}
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acquired, err := compare(invocation.Context, selected.request, state)
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reporter := invocation.Reporter()
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queueConfigDiagnostics(reporter, acquired.Diagnostics)
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if err != nil {
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return configFailure(fmt.Sprintf("Unable to compare configuration scope %q.", selected.scope.scope.Name), acquired.Explanation, err)
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}
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if err := invocation.Context.Err(); err != nil {
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return configFailure("Configuration comparison was canceled.", acquired.Explanation, err)
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}
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err = reporter.RenderOutput(func(writer io.Writer) error {
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report, err := renderDiffReport(acquired.Value)
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if err != nil {
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return err
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}
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_, err = writer.Write(report)
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return err
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})
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if err != nil && invocation.Context.Err() != nil {
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return configFailure("Configuration comparison was canceled.", acquired.Explanation, invocation.Context.Err())
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}
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return commandkit.Success()
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}
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