55 lines
1.2 KiB
Go
55 lines
1.2 KiB
Go
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package filesystem
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import (
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"bufio"
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"fmt"
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"gopkg.in/src-d/go-git.v4/plumbing"
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"gopkg.in/src-d/go-git.v4/storage/filesystem/dotgit"
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"gopkg.in/src-d/go-git.v4/utils/ioutil"
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)
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// ShallowStorage where the shallow commits are stored, an internal to
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// manipulate the shallow file
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type ShallowStorage struct {
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dir *dotgit.DotGit
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}
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// SetShallow save the shallows in the shallow file in the .git folder as one
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// commit per line represented by 40-byte hexadecimal object terminated by a
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// newline.
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func (s *ShallowStorage) SetShallow(commits []plumbing.Hash) error {
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f, err := s.dir.ShallowWriter()
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if err != nil {
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return err
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}
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defer ioutil.CheckClose(f, &err)
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for _, h := range commits {
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if _, err := fmt.Fprintf(f, "%s\n", h); err != nil {
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return err
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}
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}
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return err
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}
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// Shallow return the shallow commits reading from shallo file from .git
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func (s *ShallowStorage) Shallow() ([]plumbing.Hash, error) {
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f, err := s.dir.Shallow()
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if f == nil || err != nil {
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return nil, err
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}
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defer ioutil.CheckClose(f, &err)
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var hash []plumbing.Hash
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scn := bufio.NewScanner(f)
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for scn.Scan() {
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hash = append(hash, plumbing.NewHash(scn.Text()))
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}
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return hash, scn.Err()
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}
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