lewis.moe
forked from
tangled.org/core
Monorepo for Tangled
knotserver: git: improve formatSiglePatch to use builtin flag
there exists a git flag to generate patches for a single commit: -1. use
this instead of calculating the parent when preparing format-patches.
Signed-off-by: oppiliappan <me@oppi.li>
oppi.li
+4
-10
knotserver/git/diff.go
+4
-10
knotserver/git/diff.go
···
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// FormatPatch generates a git-format-patch output between two commits,
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// and returns the raw format-patch series, a parsed FormatPatch and an error.
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-
func (g *GitRepo) formatSinglePatch(base, commit2 plumbing.Hash, extraArgs ...string) (string, *types.FormatPatch, error) {
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+
func (g *GitRepo) formatSinglePatch(commit plumbing.Hash, extraArgs ...string) (string, *types.FormatPatch, error) {
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var stdout bytes.Buffer
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args := []string{
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"-C",
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g.path,
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"format-patch",
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-
fmt.Sprintf("%s..%s", base.String(), commit2.String()),
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+
"-1",
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+
commit.String(),
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"--stdout",
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}
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args = append(args, extraArgs...)
···
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changeId = string(val)
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}
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-
var parentHash plumbing.Hash
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-
if len(commit.ParentHashes) > 0 {
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-
parentHash = commit.ParentHashes[0]
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-
} else {
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-
parentHash = plumbing.NewHash("4b825dc642cb6eb9a060e54bf8d69288fbee4904") // git empty tree hash
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-
}
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-
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var additionalArgs []string
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if changeId != "" {
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additionalArgs = append(additionalArgs, "--add-header", fmt.Sprintf("Change-Id: %s", changeId))
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}
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-
stdout, patch, err := g.formatSinglePatch(parentHash, commit.Hash, additionalArgs...)
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+
stdout, patch, err := g.formatSinglePatch(commit.Hash, additionalArgs...)
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if err != nil {
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return "", nil, fmt.Errorf("failed to format patch for commit %s: %w", commit.Hash.String(), err)
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}