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package main
import (
"net/http"
"github.com/go-git/go-git/v5/plumbing"
"github.com/go-git/go-git/v5/plumbing/format/diff"
)
type usable_file_patch struct {
From diff.File
To diff.File
Chunks []diff.Chunk
}
func handle_repo_commit(w http.ResponseWriter, r *http.Request) {
data := make(map[string]any)
// TODO: Sanitize path values
group_name, repo_name, commit_id_string := r.PathValue("group_name"), r.PathValue("repo_name"), r.PathValue("commit_id")
data["group_name"], data["repo_name"], data["commit_id"] = group_name, repo_name, commit_id_string
repo, err := open_git_repo(group_name, repo_name)
if err != nil {
_, _ = w.Write([]byte("Error opening repo: " + err.Error()))
return
}
commit_id := plumbing.NewHash(commit_id_string)
commit_object, err := repo.CommitObject(commit_id)
if err != nil {
_, _ = w.Write([]byte("Error getting commit object: " + err.Error()))
return
}
data["commit_object"] = commit_object
parent_commit_object, err := commit_object.Parent(0)
if err != nil {
_, _ = w.Write([]byte("Error getting parent commit object: " + err.Error()))
return
}
data["parent_commit_object"] = parent_commit_object
patch, err := parent_commit_object.Patch(commit_object)
if err != nil {
_, _ = w.Write([]byte("Error getting patch of commit: " + err.Error()))
return
}
data["patch"] = patch
usable_file_patches := make([]usable_file_patch, 0)
for _, file_patch := range patch.FilePatches() {
from, to := file_patch.Files()
usable_file_patch := usable_file_patch{
Chunks: file_patch.Chunks(),
From: from,
To: to,
}
usable_file_patches = append(usable_file_patches, usable_file_patch)
}
data["file_patches"] = usable_file_patches
err = templates.ExecuteTemplate(w, "repo_commit", data)
if err != nil {
_, _ = w.Write([]byte("Error rendering template: " + err.Error()))
return
}
}
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