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59 lines
1.6 KiB
59 lines
1.6 KiB
package dehub
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import (
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"dehub/fs"
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"dehub/yamlutil"
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"errors"
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"fmt"
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"gopkg.in/src-d/go-git.v4/plumbing/object"
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)
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// CommitChange describes the structure of a change commit message.
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type CommitChange struct {
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Message string `yaml:"message"`
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ChangeHash yamlutil.Blob `yaml:"change_hash"`
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}
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var _ CommitInterface = CommitChange{}
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// NewCommitChange constructs a Commit populated with a CommitChange
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// encompassing the currently staged file changes. The Credentials of the
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// returned Commit will _not_ be filled in.
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func (r *Repo) NewCommitChange(msg string) (Commit, error) {
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headTree := new(object.Tree)
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if head, err := r.GetGitHead(); err != nil && !errors.Is(err, ErrHeadIsZero) {
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return Commit{}, fmt.Errorf("getting HEAD commit: %w", err)
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} else if err == nil {
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headTree = head.GitTree
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}
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_, stagedTree, err := fs.FromStagedChangesTree(r.GitRepo)
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if err != nil {
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return Commit{}, err
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}
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cc := CommitChange{Message: msg}
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if cc.ChangeHash, err = cc.Hash(headTree, stagedTree); err != nil {
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return Commit{}, err
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}
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return Commit{
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Change: &cc,
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}, nil
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}
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// MessageHead implements the method for the CommitInterface interface.
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func (cc CommitChange) MessageHead(CommitCommon) (string, error) {
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return abbrevCommitMessage(cc.Message), nil
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}
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// Hash implements the method for the CommitInterface interface.
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func (cc CommitChange) Hash(parent, this *object.Tree) ([]byte, error) {
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return genChangeHash(nil, cc.Message, parent, this), nil
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}
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// GetHash implements the method for the CommitInterface interface.
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func (cc CommitChange) GetHash() []byte {
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return cc.ChangeHash
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}
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