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Remove delete_after_merge functionality #243

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3 changes: 0 additions & 3 deletions README.md
Original file line number Diff line number Diff line change
Expand Up @@ -145,9 +145,6 @@ merge:
required_statuses:
- "ci/circleci: ete-tests"

# If true, bulldozer will delete branches after their pull requests merge.
delete_after_merge: true

# If true, bulldozer will merge pull requests with no required checks. This
# helps to protect against merging branches which inadvertently do not have
# required status checks.
Expand Down
3 changes: 0 additions & 3 deletions bulldozer/config_fetcher_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,6 @@ merge:
options:
squash:
body: summarize_commits
delete_after_merge: true

update:
trigger:
Expand Down Expand Up @@ -77,7 +76,6 @@ merge:
options:
squash:
body: summarize_commits
delete_after_merge: true

update:
whitelist:
Expand Down Expand Up @@ -127,7 +125,6 @@ merge:
options:
squash:
body: summarize_commits
delete_after_merge: true

update:
trigger:
Expand Down
44 changes: 1 addition & 43 deletions bulldozer/merge.go
Original file line number Diff line number Diff line change
Expand Up @@ -155,7 +155,7 @@ func (m *PushRestrictionMerger) DeleteHead(ctx context.Context, pullCtx pull.Con
func MergePR(ctx context.Context, pullCtx pull.Context, merger Merger, mergeConfig MergeConfig) {
logger := zerolog.Ctx(ctx)

base, head := pullCtx.Branches()
base, _ := pullCtx.Branches()
mergeMethod := mergeConfig.Method

if branchMergeMethod, ok := mergeConfig.BranchMethod[base]; ok {
Expand Down Expand Up @@ -210,14 +210,6 @@ func MergePR(ctx context.Context, pullCtx pull.Context, merger Merger, mergeConf
}
time.Sleep(4 * time.Second)
}

if merged {
if mergeConfig.DeleteAfterMerge {
attemptDelete(ctx, pullCtx, head, merger)
} else {
logger.Debug().Msgf("Not deleting refs/heads/%s, delete after merge is not enabled", head)
}
}
}

// attemptMerge attempts to merge a pull request, logging any errors and
Expand Down Expand Up @@ -272,40 +264,6 @@ func attemptMerge(ctx context.Context, pullCtx pull.Context, merger Merger, meth
return true, false
}

// attemptDelete attempts to delete a pull request branch, logging any errors
// and returning true if successful.
func attemptDelete(ctx context.Context, pullCtx pull.Context, head string, merger Merger) bool {
logger := zerolog.Ctx(ctx)

if strings.ContainsRune(head, ':') {
// skip forks because the app doesn't have permission to do the delete
logger.Debug().Msg("Pull Request is from a fork, not deleting")
return false
}

ref := fmt.Sprintf("refs/heads/%s", head)

// check other open PRs to make sure that nothing is trying to merge into the ref we're about to delete
isTargeted, err := pullCtx.IsTargeted(ctx)
if err != nil {
logger.Error().Err(err).Msgf("Unabled to determine if %s is targeted by other pull requests", ref)
return false
}
if isTargeted {
logger.Info().Msgf("Unable to delete %s after merging %q because there are open PRs against it", ref, pullCtx.Locator())
return false
}

logger.Info().Msgf("Attempting to delete ref %s", ref)
if err := merger.DeleteHead(ctx, pullCtx); err != nil {
logger.Error().Err(err).Msgf("Failed to delete %s", ref)
return false
}

logger.Info().Msgf("Successfully deleted %s after merging %q", ref, pullCtx.Locator())
return true
}

func isValidMergeMethod(input MergeMethod) bool {
return input == SquashAndMerge || input == RebaseAndMerge || input == MergeCommit || input == FastForwardOnly
}
Expand Down
1 change: 0 additions & 1 deletion config/examples/standard.bulldozer.v1.yml
Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,6 @@ merge:
options:
squash:
body: summarize_commits
delete_after_merge: true
allow_merge_with_no_checks: false

update:
Expand Down