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Remove delete_after_merge functionality #243

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Remove delete_after_merge functionality #243

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9e182f6
removed code for attemptDelete and DeleteAfterMerge functionality
anishagg17 Apr 23, 2021
a2917f3
removed from examples, tests, readme
anishagg17 Apr 23, 2021
0a73363
removed unused head var
anishagg17 Apr 23, 2021
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3 changes: 0 additions & 3 deletions README.md
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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.
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3 changes: 0 additions & 3 deletions bulldozer/config_fetcher_test.go
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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:
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44 changes: 1 addition & 43 deletions bulldozer/merge.go
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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
}
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1 change: 0 additions & 1 deletion config/examples/standard.bulldozer.v1.yml
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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