diff --git a/custom/conf/app.example.ini b/custom/conf/app.example.ini index 363bbcb15133..4aae1c497f3f 100644 --- a/custom/conf/app.example.ini +++ b/custom/conf/app.example.ini @@ -1044,7 +1044,7 @@ LEVEL = Info ;; List of keywords used in Pull Request comments to automatically reopen a related issue ;REOPEN_KEYWORDS = reopen,reopens,reopened ;; -;; Set default merge style for repository creating, valid options: merge, rebase, rebase-merge, squash +;; Set default merge style for repository creating, valid options: merge, rebase, rebase-merge, squash, fast-forward-only ;DEFAULT_MERGE_STYLE = merge ;; ;; In the default merge message for squash commits include at most this many commits diff --git a/docs/content/administration/config-cheat-sheet.en-us.md b/docs/content/administration/config-cheat-sheet.en-us.md index 33732d080bff..415176d4fff2 100644 --- a/docs/content/administration/config-cheat-sheet.en-us.md +++ b/docs/content/administration/config-cheat-sheet.en-us.md @@ -126,7 +126,7 @@ In addition, there is _`StaticRootPath`_ which can be set as a built-in at build keywords used in Pull Request comments to automatically close a related issue - `REOPEN_KEYWORDS`: **reopen**, **reopens**, **reopened**: List of keywords used in Pull Request comments to automatically reopen a related issue -- `DEFAULT_MERGE_STYLE`: **merge**: Set default merge style for repository creating, valid options: `merge`, `rebase`, `rebase-merge`, `squash` +- `DEFAULT_MERGE_STYLE`: **merge**: Set default merge style for repository creating, valid options: `merge`, `rebase`, `rebase-merge`, `squash`, `fast-forward-only` - `DEFAULT_MERGE_MESSAGE_COMMITS_LIMIT`: **50**: In the default merge message for squash commits include at most this many commits. Set to `-1` to include all commits - `DEFAULT_MERGE_MESSAGE_SIZE`: **5120**: In the default merge message for squash commits limit the size of the commit messages. Set to `-1` to have no limit. Only used if `POPULATE_SQUASH_COMMENT_WITH_COMMIT_MESSAGES` is `true`. - `DEFAULT_MERGE_MESSAGE_ALL_AUTHORS`: **false**: In the default merge message for squash commits walk all commits to include all authors in the Co-authored-by otherwise just use those in the limited list diff --git a/docs/content/administration/config-cheat-sheet.zh-cn.md b/docs/content/administration/config-cheat-sheet.zh-cn.md index 8236852ad367..01906930cb9e 100644 --- a/docs/content/administration/config-cheat-sheet.zh-cn.md +++ b/docs/content/administration/config-cheat-sheet.zh-cn.md @@ -125,7 +125,7 @@ menu: - `CLOSE_KEYWORDS`: **close**, **closes**, **closed**, **fix**, **fixes**, **fixed**, **resolve**, **resolves**, **resolved**: 在拉取请求评论中用于自动关闭相关问题的关键词列表。 - `REOPEN_KEYWORDS`: **reopen**, **reopens**, **reopened**: 在拉取请求评论中用于自动重新打开相关问题的 关键词列表。 -- `DEFAULT_MERGE_STYLE`: **merge**: 设置创建仓库的默认合并方式,可选: `merge`, `rebase`, `rebase-merge`, `squash` +- `DEFAULT_MERGE_STYLE`: **merge**: 设置创建仓库的默认合并方式,可选: `merge`, `rebase`, `rebase-merge`, `squash`, `fast-forward-only` - `DEFAULT_MERGE_MESSAGE_COMMITS_LIMIT`: **50**: 在默认合并消息中,对于`squash`提交,最多包括此数量的提交。设置为 -1 以包括所有提交。 - `DEFAULT_MERGE_MESSAGE_SIZE`: **5120**: 在默认的合并消息中,对于`squash`提交,限制提交消息的大小。设置为 `-1`以取消限制。仅在`POPULATE_SQUASH_COMMENT_WITH_COMMIT_MESSAGES`为`true`时使用。 - `DEFAULT_MERGE_MESSAGE_ALL_AUTHORS`: **false**: 在默认合并消息中,对于`squash`提交,遍历所有提交以包括所有作者的`Co-authored-by`,否则仅使用限定列表中的作者。 diff --git a/models/error.go b/models/error.go index 83dfe2980577..75c53245de5a 100644 --- a/models/error.go +++ b/models/error.go @@ -493,6 +493,23 @@ func (err ErrMergeUnrelatedHistories) Error() string { return fmt.Sprintf("Merge UnrelatedHistories Error: %v: %s\n%s", err.Err, err.StdErr, err.StdOut) } +// ErrMergeDivergingFastForwardOnly represents an error if a fast-forward-only merge fails because the branches diverge +type ErrMergeDivergingFastForwardOnly struct { + StdOut string + StdErr string + Err error +} + +// IsErrMergeDivergingFastForwardOnly checks if an error is a ErrMergeDivergingFastForwardOnly. +func IsErrMergeDivergingFastForwardOnly(err error) bool { + _, ok := err.(ErrMergeDivergingFastForwardOnly) + return ok +} + +func (err ErrMergeDivergingFastForwardOnly) Error() string { + return fmt.Sprintf("Merge DivergingFastForwardOnly Error: %v: %s\n%s", err.Err, err.StdErr, err.StdOut) +} + // ErrRebaseConflicts represents an error if rebase fails with a conflict type ErrRebaseConflicts struct { Style repo_model.MergeStyle diff --git a/models/repo/git.go b/models/repo/git.go index 610c55429657..388bf8652237 100644 --- a/models/repo/git.go +++ b/models/repo/git.go @@ -21,6 +21,8 @@ const ( MergeStyleRebaseMerge MergeStyle = "rebase-merge" // MergeStyleSquash squash commits into single commit before merging MergeStyleSquash MergeStyle = "squash" + // MergeStyleFastForwardOnly fast-forward merge if possible, otherwise fail + MergeStyleFastForwardOnly MergeStyle = "fast-forward-only" // MergeStyleManuallyMerged pr has been merged manually, just mark it as merged directly MergeStyleManuallyMerged MergeStyle = "manually-merged" // MergeStyleRebaseUpdate not a merge style, used to update pull head by rebase diff --git a/models/repo/repo_unit.go b/models/repo/repo_unit.go index 8a3ba1ee8909..31a2a2e24822 100644 --- a/models/repo/repo_unit.go +++ b/models/repo/repo_unit.go @@ -122,6 +122,7 @@ type PullRequestsConfig struct { AllowRebase bool AllowRebaseMerge bool AllowSquash bool + AllowFastForwardOnly bool AllowManualMerge bool AutodetectManualMerge bool AllowRebaseUpdate bool @@ -148,6 +149,7 @@ func (cfg *PullRequestsConfig) IsMergeStyleAllowed(mergeStyle MergeStyle) bool { mergeStyle == MergeStyleRebase && cfg.AllowRebase || mergeStyle == MergeStyleRebaseMerge && cfg.AllowRebaseMerge || mergeStyle == MergeStyleSquash && cfg.AllowSquash || + mergeStyle == MergeStyleFastForwardOnly && cfg.AllowFastForwardOnly || mergeStyle == MergeStyleManuallyMerged && cfg.AllowManualMerge } diff --git a/modules/git/error.go b/modules/git/error.go index dc10d451b3bb..91d25eca69a4 100644 --- a/modules/git/error.go +++ b/modules/git/error.go @@ -96,7 +96,7 @@ func (err ErrBranchNotExist) Unwrap() error { return util.ErrNotExist } -// ErrPushOutOfDate represents an error if merging fails due to unrelated histories +// ErrPushOutOfDate represents an error if merging fails due to the base branch being updated type ErrPushOutOfDate struct { StdOut string StdErr string diff --git a/modules/repository/create.go b/modules/repository/create.go index 7c954a14121b..ca2150b972e0 100644 --- a/modules/repository/create.go +++ b/modules/repository/create.go @@ -87,7 +87,11 @@ func CreateRepositoryByExample(ctx context.Context, doer, u *user_model.User, re units = append(units, repo_model.RepoUnit{ RepoID: repo.ID, Type: tp, - Config: &repo_model.PullRequestsConfig{AllowMerge: true, AllowRebase: true, AllowRebaseMerge: true, AllowSquash: true, DefaultMergeStyle: repo_model.MergeStyle(setting.Repository.PullRequest.DefaultMergeStyle), AllowRebaseUpdate: true}, + Config: &repo_model.PullRequestsConfig{ + AllowMerge: true, AllowRebase: true, AllowRebaseMerge: true, AllowSquash: true, AllowFastForwardOnly: true, + DefaultMergeStyle: repo_model.MergeStyle(setting.Repository.PullRequest.DefaultMergeStyle), + AllowRebaseUpdate: true, + }, }) } else { units = append(units, repo_model.RepoUnit{ diff --git a/modules/structs/repo.go b/modules/structs/repo.go index 51e175fba8ea..56d6158bd8fd 100644 --- a/modules/structs/repo.go +++ b/modules/structs/repo.go @@ -98,6 +98,7 @@ type Repository struct { AllowRebase bool `json:"allow_rebase"` AllowRebaseMerge bool `json:"allow_rebase_explicit"` AllowSquash bool `json:"allow_squash_merge"` + AllowFastForwardOnly bool `json:"allow_fast_forward_only_merge"` AllowRebaseUpdate bool `json:"allow_rebase_update"` DefaultDeleteBranchAfterMerge bool `json:"default_delete_branch_after_merge"` DefaultMergeStyle string `json:"default_merge_style"` @@ -195,6 +196,8 @@ type EditRepoOption struct { AllowRebaseMerge *bool `json:"allow_rebase_explicit,omitempty"` // either `true` to allow squash-merging pull requests, or `false` to prevent squash-merging. AllowSquash *bool `json:"allow_squash_merge,omitempty"` + // either `true` to allow fast-forward-only merging pull requests, or `false` to prevent fast-forward-only merging. + AllowFastForwardOnly *bool `json:"allow_fast_forward_only_merge,omitempty"` // either `true` to allow mark pr as merged manually, or `false` to prevent it. AllowManualMerge *bool `json:"allow_manual_merge,omitempty"` // either `true` to enable AutodetectManualMerge, or `false` to prevent it. Note: In some special cases, misjudgments can occur. @@ -203,7 +206,7 @@ type EditRepoOption struct { AllowRebaseUpdate *bool `json:"allow_rebase_update,omitempty"` // set to `true` to delete pr branch after merge by default DefaultDeleteBranchAfterMerge *bool `json:"default_delete_branch_after_merge,omitempty"` - // set to a merge style to be used by this repository: "merge", "rebase", "rebase-merge", or "squash". + // set to a merge style to be used by this repository: "merge", "rebase", "rebase-merge", "squash", or "fast-forward-only". DefaultMergeStyle *string `json:"default_merge_style,omitempty"` // set to `true` to allow edits from maintainers by default DefaultAllowMaintainerEdit *bool `json:"default_allow_maintainer_edit,omitempty"` diff --git a/options/locale/locale_en-US.ini b/options/locale/locale_en-US.ini index 9af4d70171c5..96345f51f813 100644 --- a/options/locale/locale_en-US.ini +++ b/options/locale/locale_en-US.ini @@ -1775,6 +1775,7 @@ pulls.merge_pull_request = Create merge commit pulls.rebase_merge_pull_request = Rebase then fast-forward pulls.rebase_merge_commit_pull_request = Rebase then create merge commit pulls.squash_merge_pull_request = Create squash commit +pulls.fast_forward_only_merge_pull_request = Fast-forward only pulls.merge_manually = Manually merged pulls.merge_commit_id = The merge commit ID pulls.require_signed_wont_sign = The branch requires signed commits but this merge will not be signed diff --git a/routers/api/v1/repo/repo.go b/routers/api/v1/repo/repo.go index d1b2c99d0c9a..40de8853d835 100644 --- a/routers/api/v1/repo/repo.go +++ b/routers/api/v1/repo/repo.go @@ -885,6 +885,7 @@ func updateRepoUnits(ctx *context.APIContext, opts api.EditRepoOption) error { AllowRebase: true, AllowRebaseMerge: true, AllowSquash: true, + AllowFastForwardOnly: true, AllowManualMerge: true, AutodetectManualMerge: false, AllowRebaseUpdate: true, @@ -911,6 +912,9 @@ func updateRepoUnits(ctx *context.APIContext, opts api.EditRepoOption) error { if opts.AllowSquash != nil { config.AllowSquash = *opts.AllowSquash } + if opts.AllowFastForwardOnly != nil { + config.AllowFastForwardOnly = *opts.AllowFastForwardOnly + } if opts.AllowManualMerge != nil { config.AllowManualMerge = *opts.AllowManualMerge } diff --git a/routers/api/v1/repo/repo_test.go b/routers/api/v1/repo/repo_test.go index 29e2d1f21d9a..08ba7fabac4b 100644 --- a/routers/api/v1/repo/repo_test.go +++ b/routers/api/v1/repo/repo_test.go @@ -35,6 +35,7 @@ func TestRepoEdit(t *testing.T) { allowRebase := false allowRebaseMerge := false allowSquashMerge := false + allowFastForwardOnlyMerge := false archived := true opts := api.EditRepoOption{ Name: &ctx.Repo.Repository.Name, @@ -50,6 +51,7 @@ func TestRepoEdit(t *testing.T) { AllowRebase: &allowRebase, AllowRebaseMerge: &allowRebaseMerge, AllowSquash: &allowSquashMerge, + AllowFastForwardOnly: &allowFastForwardOnlyMerge, Archived: &archived, } diff --git a/routers/web/repo/issue.go b/routers/web/repo/issue.go index aa0cad98b7cd..a85f6e766652 100644 --- a/routers/web/repo/issue.go +++ b/routers/web/repo/issue.go @@ -1862,6 +1862,8 @@ func ViewIssue(ctx *context.Context) { mergeStyle = repo_model.MergeStyleRebaseMerge } else if prConfig.AllowSquash { mergeStyle = repo_model.MergeStyleSquash + } else if prConfig.AllowFastForwardOnly { + mergeStyle = repo_model.MergeStyleFastForwardOnly } else if prConfig.AllowManualMerge { mergeStyle = repo_model.MergeStyleManuallyMerged } diff --git a/routers/web/repo/setting/setting.go b/routers/web/repo/setting/setting.go index 8c1daf52bcf7..3b11638a920b 100644 --- a/routers/web/repo/setting/setting.go +++ b/routers/web/repo/setting/setting.go @@ -576,6 +576,7 @@ func SettingsPost(ctx *context.Context) { AllowRebase: form.PullsAllowRebase, AllowRebaseMerge: form.PullsAllowRebaseMerge, AllowSquash: form.PullsAllowSquash, + AllowFastForwardOnly: form.PullsAllowFastForwardOnly, AllowManualMerge: form.PullsAllowManualMerge, AutodetectManualMerge: form.EnableAutodetectManualMerge, AllowRebaseUpdate: form.PullsAllowRebaseUpdate, diff --git a/services/convert/repository.go b/services/convert/repository.go index c16180c0afc3..9184bc05c7a9 100644 --- a/services/convert/repository.go +++ b/services/convert/repository.go @@ -93,6 +93,7 @@ func innerToRepo(ctx context.Context, repo *repo_model.Repository, permissionInR allowRebase := false allowRebaseMerge := false allowSquash := false + allowFastForwardOnly := false allowRebaseUpdate := false defaultDeleteBranchAfterMerge := false defaultMergeStyle := repo_model.MergeStyleMerge @@ -105,6 +106,7 @@ func innerToRepo(ctx context.Context, repo *repo_model.Repository, permissionInR allowRebase = config.AllowRebase allowRebaseMerge = config.AllowRebaseMerge allowSquash = config.AllowSquash + allowFastForwardOnly = config.AllowFastForwardOnly allowRebaseUpdate = config.AllowRebaseUpdate defaultDeleteBranchAfterMerge = config.DefaultDeleteBranchAfterMerge defaultMergeStyle = config.GetDefaultMergeStyle() @@ -219,6 +221,7 @@ func innerToRepo(ctx context.Context, repo *repo_model.Repository, permissionInR AllowRebase: allowRebase, AllowRebaseMerge: allowRebaseMerge, AllowSquash: allowSquash, + AllowFastForwardOnly: allowFastForwardOnly, AllowRebaseUpdate: allowRebaseUpdate, DefaultDeleteBranchAfterMerge: defaultDeleteBranchAfterMerge, DefaultMergeStyle: string(defaultMergeStyle), diff --git a/services/forms/repo_form.go b/services/forms/repo_form.go index 845eccf817d3..60fa0ab3630f 100644 --- a/services/forms/repo_form.go +++ b/services/forms/repo_form.go @@ -151,6 +151,7 @@ type RepoSettingForm struct { PullsAllowRebase bool PullsAllowRebaseMerge bool PullsAllowSquash bool + PullsAllowFastForwardOnly bool PullsAllowManualMerge bool PullsDefaultMergeStyle string EnableAutodetectManualMerge bool @@ -598,8 +599,8 @@ func (f *InitializeLabelsForm) Validate(req *http.Request, errs binding.Errors) // swagger:model MergePullRequestOption type MergePullRequestForm struct { // required: true - // enum: merge,rebase,rebase-merge,squash,manually-merged - Do string `binding:"Required;In(merge,rebase,rebase-merge,squash,manually-merged)"` + // enum: merge,rebase,rebase-merge,squash,fast-forward-only,manually-merged + Do string `binding:"Required;In(merge,rebase,rebase-merge,squash,fast-forward-only,manually-merged)"` MergeTitleField string MergeMessageField string MergeCommitID string // only used for manually-merged diff --git a/services/pull/merge.go b/services/pull/merge.go index 63f0268bebec..d4c0c821d6dd 100644 --- a/services/pull/merge.go +++ b/services/pull/merge.go @@ -267,6 +267,10 @@ func doMergeAndPush(ctx context.Context, pr *issues_model.PullRequest, doer *use if err := doMergeStyleSquash(mergeCtx, message); err != nil { return "", err } + case repo_model.MergeStyleFastForwardOnly: + if err := doMergeStyleFastForwardOnly(mergeCtx); err != nil { + return "", err + } default: return "", models.ErrInvalidMergeStyle{ID: pr.BaseRepo.ID, Style: mergeStyle} } @@ -377,6 +381,13 @@ func runMergeCommand(ctx *mergeContext, mergeStyle repo_model.MergeStyle, cmd *g StdErr: ctx.errbuf.String(), Err: err, } + } else if mergeStyle == repo_model.MergeStyleFastForwardOnly && strings.Contains(ctx.errbuf.String(), "Not possible to fast-forward, aborting") { + log.Debug("MergeDivergingFastForwardOnly %-v: %v\n%s\n%s", ctx.pr, err, ctx.outbuf.String(), ctx.errbuf.String()) + return models.ErrMergeDivergingFastForwardOnly{ + StdOut: ctx.outbuf.String(), + StdErr: ctx.errbuf.String(), + Err: err, + } } log.Error("git merge %-v: %v\n%s\n%s", ctx.pr, err, ctx.outbuf.String(), ctx.errbuf.String()) return fmt.Errorf("git merge %v: %w\n%s\n%s", ctx.pr, err, ctx.outbuf.String(), ctx.errbuf.String()) diff --git a/services/pull/merge_ff_only.go b/services/pull/merge_ff_only.go new file mode 100644 index 000000000000..f57c732104cc --- /dev/null +++ b/services/pull/merge_ff_only.go @@ -0,0 +1,21 @@ +// Copyright 2023 The Gitea Authors. All rights reserved. +// SPDX-License-Identifier: MIT + +package pull + +import ( + repo_model "code.gitea.io/gitea/models/repo" + "code.gitea.io/gitea/modules/git" + "code.gitea.io/gitea/modules/log" +) + +// doMergeStyleFastForwardOnly merges the tracking into the current HEAD - which is assumed to be staging branch (equal to the pr.BaseBranch) +func doMergeStyleFastForwardOnly(ctx *mergeContext) error { + cmd := git.NewCommand(ctx, "merge", "--ff-only").AddDynamicArguments(trackingBranch) + if err := runMergeCommand(ctx, repo_model.MergeStyleFastForwardOnly, cmd); err != nil { + log.Error("%-v Unable to merge tracking into base: %v", ctx.pr, err) + return err + } + + return nil +} diff --git a/services/pull/merge_merge.go b/services/pull/merge_merge.go index 0f7664297aa8..bf56c071db07 100644 --- a/services/pull/merge_merge.go +++ b/services/pull/merge_merge.go @@ -9,7 +9,7 @@ import ( "code.gitea.io/gitea/modules/log" ) -// doMergeStyleMerge merges the tracking into the current HEAD - which is assumed to tbe staging branch (equal to the pr.BaseBranch) +// doMergeStyleMerge merges the tracking branch into the current HEAD - which is assumed to be the staging branch (equal to the pr.BaseBranch) func doMergeStyleMerge(ctx *mergeContext, message string) error { cmd := git.NewCommand(ctx, "merge", "--no-ff", "--no-commit").AddDynamicArguments(trackingBranch) if err := runMergeCommand(ctx, repo_model.MergeStyleMerge, cmd); err != nil { diff --git a/templates/repo/issue/view_content/pull.tmpl b/templates/repo/issue/view_content/pull.tmpl index 2b5776ea03a5..f1ab53eb677c 100644 --- a/templates/repo/issue/view_content/pull.tmpl +++ b/templates/repo/issue/view_content/pull.tmpl @@ -197,7 +197,7 @@ {{if .AllowMerge}} {{/* user is allowed to merge */}} {{$prUnit := .Repository.MustGetUnit $.Context $.UnitTypePullRequests}} {{$approvers := (.Issue.PullRequest.GetApprovers ctx)}} - {{if or $prUnit.PullRequestsConfig.AllowMerge $prUnit.PullRequestsConfig.AllowRebase $prUnit.PullRequestsConfig.AllowRebaseMerge $prUnit.PullRequestsConfig.AllowSquash}} + {{if or $prUnit.PullRequestsConfig.AllowMerge $prUnit.PullRequestsConfig.AllowRebase $prUnit.PullRequestsConfig.AllowRebaseMerge $prUnit.PullRequestsConfig.AllowSquash $prUnit.PullRequestsConfig.AllowFastForwardOnly}} {{$hasPendingPullRequestMergeTip := ""}} {{if .HasPendingPullRequestMerge}} {{$createdPRMergeStr := TimeSinceUnix .PendingPullRequestMerge.CreatedUnix ctx.Locale}} @@ -268,6 +268,13 @@ 'mergeMessageFieldText': {{.GetCommitMessages}} + defaultSquashMergeMessage, 'hideAutoMerge': generalHideAutoMerge, }, + { + 'name': 'fast-forward-only', + 'allowed': {{and $prUnit.PullRequestsConfig.AllowFastForwardOnly (eq .Issue.PullRequest.CommitsBehind 0)}}, + 'textDoMerge': {{ctx.Locale.Tr "repo.pulls.fast_forward_only_merge_pull_request"}}, + 'hideMergeMessageTexts': true, + 'hideAutoMerge': generalHideAutoMerge, + }, { 'name': 'manually-merged', 'allowed': {{$prUnit.PullRequestsConfig.AllowManualMerge}}, diff --git a/templates/repo/issue/view_content/pull_merge_instruction.tmpl b/templates/repo/issue/view_content/pull_merge_instruction.tmpl index 3dab44710eaf..a214f29786ba 100644 --- a/templates/repo/issue/view_content/pull_merge_instruction.tmpl +++ b/templates/repo/issue/view_content/pull_merge_instruction.tmpl @@ -35,6 +35,10 @@