// IndexGitRepo indexes the git repository as specified by the options and arguments.
func IndexGitRepo(opts build.Options, branchPrefix string, branches []string, submodules bool) error {
repo, err := git.OpenRepository(opts.RepoDir)
if err != nil {
return err
}
url, err := GuessRepoURL(opts.RepoDir)
if err != nil {
log.Printf("guessRepoURL(%s): %s", opts.RepoDir, err)
} else {
opts.RepoURL = url
}
builder, err := build.NewBuilder(opts)
if err != nil {
return err
}
// name => branch
allfiles := map[string][]string{}
var names []string
// branch => name => sha1
data := map[string]map[string]git.Oid{}
repos := map[git.Oid]*git.Repository{}
for _, b := range branches {
tree, err := getTree(repo, filepath.Join(branchPrefix, b))
if err != nil {
return err
}
fs, subRepos, err := treeToFiles(repo, tree, submodules)
if err != nil {
return err
}
for k, v := range subRepos {
repos[k] = v
}
for f := range fs {
allfiles[f] = append(allfiles[f], b)
}
data[b] = fs
}
for n := range allfiles {
names = append(names, n)
}
sort.Strings(names)
for _, n := range names {
shas := map[git.Oid][]string{}
for _, b := range allfiles[n] {
shas[data[b][n]] = append(shas[data[b][n]], b)
}
for sha, branches := range shas {
r := repos[sha]
if r == nil {
return fmt.Errorf("no repo found for %s (%s)", n, branches)
}
blob, err := r.LookupBlob(&sha)
if err != nil {
return err
}
const maxSz = 128 << 10
if blob.Size() > maxSz {
continue
}
builder.Add(zoekt.Document{
Name: n,
Content: blob.Contents(),
Branches: branches,
})
}
}
builder.Finish()
return nil
}
