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git-sync
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Add a main struct, part 5 

This commit encapsulates the depth parameter.
This commit is contained in:
Tim Hockin 2020-11-08 09:55:57 -08:00
parent 3a1212da36
commit 8b321e3940
1 changed files with 14 additions and 12 deletions
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26
cmd/git-sync/main.go
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@ -256,6 +256,7 @@ type repoSync struct {
repo string // remote repo to sync
branch string // remote branch to sync
rev string // the rev or SHA to sync
depth int // for shallow sync
}
func main() {
@ -441,6 +442,7 @@ func main() {
repo: *flRepo,
branch: *flBranch,
rev: *flRev,
depth: *flDepth,
}
// This context is used only for git credentials initialization. There are no long-running operations like
@ -534,7 +536,7 @@ func main() {
for {
start := time.Now()
ctx, cancel := context.WithTimeout(context.Background(), *flSyncTimeout)
if changed, hash, err := git.SyncRepo(ctx, *flDepth, *flLink, *flAskPassURL, *flSubmodules); err != nil {
if changed, hash, err := git.SyncRepo(ctx, *flLink, *flAskPassURL, *flSubmodules); err != nil {
updateSyncMetrics(metricKeyError, start)
if *flMaxSyncFailures != -1 && failCount >= *flMaxSyncFailures {
// Exit after too many retries, maybe the error is not recoverable.
@ -676,12 +678,12 @@ func setRepoReady() {
}
// AddWorktreeAndSwap creates a new worktree and calls UpdateSymlink to swap the symlink to point to the new worktree
func (git *repoSync) AddWorktreeAndSwap(ctx context.Context, link string, depth int, hash string, submoduleMode string) error {
func (git *repoSync) AddWorktreeAndSwap(ctx context.Context, link string, hash string, submoduleMode string) error {
log.V(0).Info("syncing git", "rev", git.rev, "hash", hash)
args := []string{"fetch", "-f", "--tags"}
if depth != 0 {
args = append(args, "--depth", strconv.Itoa(depth))
if git.depth != 0 {
args = append(args, "--depth", strconv.Itoa(git.depth))
}
args = append(args, "origin", git.branch)
@ -731,8 +733,8 @@ func (git *repoSync) AddWorktreeAndSwap(ctx context.Context, link string, depth
if submoduleMode == submodulesRecursive {
submodulesArgs = append(submodulesArgs, "--recursive")
}
if depth != 0 {
submodulesArgs = append(submodulesArgs, "--depth", strconv.Itoa(depth))
if git.depth != 0 {
submodulesArgs = append(submodulesArgs, "--depth", strconv.Itoa(git.depth))
}
_, err = runCommand(ctx, worktreePath, git.cmd, submodulesArgs...)
if err != nil {
@ -787,10 +789,10 @@ func (git *repoSync) AddWorktreeAndSwap(ctx context.Context, link string, depth
}
// CloneRepo does an initial clone of the git repo.
func (git *repoSync) CloneRepo(ctx context.Context, depth int) error {
func (git *repoSync) CloneRepo(ctx context.Context) error {
args := []string{"clone", "--no-checkout", "-b", git.branch}
if depth != 0 {
args = append(args, "--depth", strconv.Itoa(depth))
if git.depth != 0 {
args = append(args, "--depth", strconv.Itoa(git.depth))
}
args = append(args, git.repo, git.root)
log.V(0).Info("cloning repo", "origin", git.repo, "path", git.root)
@ -859,7 +861,7 @@ func (git *repoSync) RevIsHash(ctx context.Context) (bool, error) {
// SyncRepo syncs the branch of a given repository to the link at the given rev.
// returns (1) whether a change occured, (2) the new hash, and (3) an error if one happened
func (git *repoSync) SyncRepo(ctx context.Context, depth int, link string, authURL string, submoduleMode string) (bool, string, error) {
func (git *repoSync) SyncRepo(ctx context.Context, link string, authURL string, submoduleMode string) (bool, string, error) {
if authURL != "" {
// For ASKPASS Callback URL, the credentials behind is dynamic, it needs to be
// re-fetched each time.
@ -877,7 +879,7 @@ func (git *repoSync) SyncRepo(ctx context.Context, depth int, link string, authU
switch {
case os.IsNotExist(err):
// First time. Just clone it and get the hash.
err = git.CloneRepo(ctx, depth)
err = git.CloneRepo(ctx)
if err != nil {
return false, "", err
}
@ -901,7 +903,7 @@ func (git *repoSync) SyncRepo(ctx context.Context, depth int, link string, authU
hash = remote
}
return true, hash, git.AddWorktreeAndSwap(ctx, link, depth, hash, submoduleMode)
return true, hash, git.AddWorktreeAndSwap(ctx, link, hash, submoduleMode)
}
// GetRevs returns the local and upstream hashes for rev.