90 lines
2.7 KiB
Go
90 lines
2.7 KiB
Go
package changelog
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import (
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"fmt"
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"regexp"
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"strings"
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"github.com/go-git/go-git/v5/plumbing/format/diff"
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"github.com/go-git/go-git/v5/plumbing/object"
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"github.com/rs/zerolog/log"
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)
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// getCommitMessage returns the first line of the commit message
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func getCommitMessage(c *object.Commit) string {
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return strings.TrimSpace(strings.Split(c.Message, "\n")[0])
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}
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// TODO: update regex
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var commitMessageRegex = regexp.MustCompile(`^(chore|feat|fix|docs)\((.+)\)?: (.+)`)
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func getCommitKind(c *object.Commit) string {
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match := commitMessageRegex.FindStringSubmatch(getCommitMessage(c))
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if match == nil {
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return ""
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}
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return match[1]
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}
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func isValidCommit(c *object.Commit) bool {
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if c.Message == "" {
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currentStatus.incSkippedCount()
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log.Debug().Msgf("Skipping commit [%s]. Reason: the commit message is empty", c.Hash.String())
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return false
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}
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if c.ParentHashes == nil || len(c.ParentHashes) == 0 {
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currentStatus.incSkippedCount()
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log.Debug().Msgf("Skipping commit [%s]. Reason: the commit is Batman (has no parent)", c.Hash.String())
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return false
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}
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if skipCommitsWithBadMessage && !commitMessageRegex.MatchString(getCommitMessage(c)) {
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currentStatus.incSkippedCount()
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log.Debug().Msgf("Skipping commit [%s]. Reason: the commit message does not match the pattern", c.Hash.String())
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return false
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}
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return true
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}
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type oldNewPaths struct {
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old diff.File
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new diff.File
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}
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type chartsWithChangedFiles map[string][]oldNewPaths
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type chartsWithChangedFile map[string]oldNewPaths
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func processCommit(c *object.Commit) error {
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var err error
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if !isValidCommit(c) {
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return nil
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}
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parCommit, err := c.Parent(0)
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if err != nil {
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return fmt.Errorf("failed to get parent commit: %w", err)
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}
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patch, err := parCommit.Patch(c)
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if err != nil {
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return fmt.Errorf("failed to get patch: %w", err)
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}
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// Go over the filePatches (old/new pairs) and get create a
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// map of charts with an slice of all the old/new fileDiffs
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chartsWithMultipleFiles, err := getChartsWithMultipleChangedFiles(patch)
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if err != nil {
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return fmt.Errorf("failed to get changed files: %w", err)
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}
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// For each chart, keep a single old/new pair, preferably the chart.yaml
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// otherwise the first file in the list, doesn't matter
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chartsWithSingleFile := getChartsWithSingleChangedFile(chartsWithMultipleFiles)
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// Populate the changedData and stagingData
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if err := processChartsWithSingleChangedFile(c, parCommit, chartsWithSingleFile); err != nil {
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return fmt.Errorf("failed to process changed file: %w", err)
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}
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return nil
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}
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