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49 lines
1.5 KiB
49 lines
1.5 KiB
package dehub
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import (
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"errors"
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"fmt"
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"strings"
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"dehub.dev/src/dehub.git/yamlutil"
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)
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// CommitComment describes the structure of a comment commit message.
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type CommitComment struct {
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Message string `yaml:"message"`
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MessageHash yamlutil.Blob `yaml:"message_hash"`
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}
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var _ CommitInterface = CommitComment{}
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// NewCommitComment constructs and returns a Commit populated with a
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// CommitComment encompassing the given message. The Credentials of the returned
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// Commit will _not_ be filled in.
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func (r *Repo) NewCommitComment(msg string) (Commit, error) {
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cc := CommitComment{Message: msg}
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var err error
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if cc.MessageHash, err = cc.ExpectedHash(nil); err != nil {
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return Commit{}, fmt.Errorf("calculating comment hash: %w", err)
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}
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return Commit{Comment: &cc}, nil
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}
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// MessageHead implements the method for the CommitInterface interface.
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func (cc CommitComment) MessageHead(common CommitCommon) (string, error) {
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msgAbbrev := abbrevCommitMessage(cc.Message)
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credIDs := strings.Join(common.credIDs(), ", ")
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return fmt.Sprintf("Comment by %s: %s", credIDs, msgAbbrev), nil
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}
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// ExpectedHash implements the method for the CommitInterface.
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func (cc CommitComment) ExpectedHash(changes []ChangedFile) ([]byte, error) {
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if len(changes) > 0 {
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return nil, errors.New("CommitComment cannot have any changed files")
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}
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return genCommentHash(nil, cc.Message), nil
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}
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// StoredHash implements the method for the CommitInterface.
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func (cc CommitComment) StoredHash() []byte {
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return cc.MessageHash
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}
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