My own copy of Tangled :)
knotserver: git: format-patch for ref comparisons
author
Anirudh Oppiliappan
committer
Akshay
date
(Apr 21, 2025, 8:06 AM +0100)
commit
e1357392
e1357392b20ae02ac1748508cae667c09bdf09ab
parent
01c324e2
01c324e20af8ee4d5b8cf4ba330afd084895acfe
+38
-2
+31
knotserver/git/diff.go
+31
knotserver/git/diff.go
···
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1
package git
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import (
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+
"bytes"
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"fmt"
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"log"
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+
"os"
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+
"os/exec"
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"strings"
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"github.com/bluekeyes/go-gitdiff/gitdiff"
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"github.com/go-git/go-git/v5/plumbing"
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"github.com/go-git/go-git/v5/plumbing/object"
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"tangled.sh/tangled.sh/core/patchutil"
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"tangled.sh/tangled.sh/core/types"
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)
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···
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Patch: patch.String(),
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Diff: diffs,
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}, nil
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}
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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) FormatPatch(base, commit2 *object.Commit) (string, []patchutil.FormatPatch, error) {
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var stdout bytes.Buffer
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cmd := exec.Command(
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"git",
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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.Hash.String(), commit2.Hash.String()),
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"--stdout",
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)
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cmd.Stdout = &stdout
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cmd.Stderr = os.Stderr
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err := cmd.Run()
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if err != nil {
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return "", nil, err
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}
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+
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formatPatch, err := patchutil.ExtractPatches(stdout.String())
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if err != nil {
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return "", nil, err
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}
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+
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return stdout.String(), formatPatch, nil
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}
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func (g *GitRepo) MergeBase(commit1, commit2 *object.Commit) (*object.Commit, error) {
+7
-2
knotserver/routes.go
+7
-2
knotserver/routes.go
···
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return
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}
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-
difftree, err := gr.DiffTree(mergeBase, commit2)
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rawPatch, formatPatch, err := gr.FormatPatch(mergeBase, commit2)
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if err != nil {
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l.Error("error comparing revisions", "msg", err.Error())
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writeError(w, "error comparing revisions", http.StatusBadRequest)
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return
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}
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writeJSON(w, types.RepoDiffTreeResponse{difftree})
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writeJSON(w, types.RepoFormatPatchResponse{
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Rev1: commit1.Hash.String(),
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Rev2: commit2.Hash.String(),
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FormatPatch: formatPatch,
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Patch: rawPatch,
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})
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return
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}
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