5b89670a31
One of the proposals in #23328 This PR introduces a simple expression calculator (templates/eval/eval.go), it can do basic expression calculations. Many untested template helper functions like `Mul` `Add` can be replaced by this new approach. Then these `Add` / `Mul` / `percentage` / `Subtract` / `DiffStatsWidth` could all use this `Eval`. And it provides enhancements for Golang templates, and improves readability. Some examples: ---- * Before: `{{Add (Mul $glyph.Row 12) 12}}` * After: `{{Eval $glyph.Row "*" 12 "+" 12}}` ---- * Before: `{{if lt (Add $i 1) (len $.Topics)}}` * After: `{{if Eval $i "+" 1 "<" (len $.Topics)}}` ## FAQ ### Why not use an existing expression package? We need a highly customized expression engine: * do the calculation on the fly, without pre-compiling * deal with int/int64/float64 types, to make the result could be used in Golang template. * make the syntax could be used in the Golang template directly * do not introduce too much complex or strange syntax, we just need a simple calculator. * it needs to strictly follow Golang template's behavior, for example, Golang template treats all non-zero values as truth, but many 3rd packages don't do so. ### What's the benefit? * Developers don't need to add more `Add`/`Mul`/`Sub`-like functions, they were getting more and more. Now, only one `Eval` is enough for all cases. * The new code reads better than old `{{Add (Mul $glyph.Row 12) 12}}`, the old one isn't familiar to most procedural programming developers (eg, the Golang expression syntax). * The `Eval` is fully covered by tests, many old `Add`/`Mul`-like functions were never tested. ### The performance? It doesn't use `reflect`, it doesn't need to parse or compile when used in Golang template, the performance is as fast as native Go template. ### Is it too complex? Could it be unstable? The expression calculator program is a common homework for computer science students, and it's widely used as a teaching and practicing purpose for developers. The algorithm is pretty well-known. The behavior can be clearly defined, it is stable.
187 lines
10 KiB
Handlebars
187 lines
10 KiB
Handlebars
{{template "base/head" .}}
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<div role="main" aria-label="{{.Title}}" class="page-content ui repository branches">
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{{template "repo/header" .}}
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<div class="ui container">
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{{template "base/alert" .}}
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{{template "repo/sub_menu" .}}
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{{if .DefaultBranchBranch}}
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<h4 class="ui top attached header gt-mt-4">
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{{.locale.Tr "repo.default_branch"}}
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</h4>
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<div class="ui attached table segment">
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<table class="ui very basic striped fixed table single line">
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<tbody>
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<tr>
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<td>
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{{if .DefaultBranchBranch.IsProtected}}
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{{svg "octicon-shield-lock"}}
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{{end}}
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<a href="{{.RepoLink}}/src/branch/{{PathEscapeSegments .DefaultBranch}}">{{.DefaultBranch}}</a>
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<p class="info gt-df gt-ac gt-my-2">{{svg "octicon-git-commit" 16 "gt-mr-2"}}<a href="{{.RepoLink}}/commit/{{PathEscape .DefaultBranchBranch.Commit.ID.String}}">{{ShortSha .DefaultBranchBranch.Commit.ID.String}}</a> · <span class="commit-message">{{RenderCommitMessage $.Context .DefaultBranchBranch.Commit.CommitMessage .RepoLink .Repository.ComposeMetas}}</span> · {{.locale.Tr "org.repo_updated"}} {{TimeSince .DefaultBranchBranch.Commit.Committer.When .locale}}</p>
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</td>
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<td class="right aligned overflow-visible">
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{{if and $.IsWriter (not $.Repository.IsArchived) (not .IsDeleted)}}
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<button class="ui basic jump button icon show-create-branch-modal" data-tooltip-content="{{$.locale.Tr "repo.branch.new_branch_from" ($.DefaultBranch)}}" data-branch-from="{{$.DefaultBranch}}" data-branch-from-urlcomponent="{{PathEscapeSegments $.DefaultBranch}}" data-modal="#create-branch-modal">
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{{svg "octicon-git-branch"}}
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</button>
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{{end}}
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{{if not $.DisableDownloadSourceArchives}}
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<button class="ui basic jump dropdown icon button" data-tooltip-content="{{$.locale.Tr "repo.branch.download" ($.DefaultBranch)}}">
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{{svg "octicon-download"}}
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<div class="menu">
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<a class="item archive-link" href="{{$.RepoLink}}/archive/{{PathEscapeSegments $.DefaultBranch}}.zip" rel="nofollow">{{svg "octicon-file-zip"}} ZIP</a>
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<a class="item archive-link" href="{{$.RepoLink}}/archive/{{PathEscapeSegments $.DefaultBranch}}.tar.gz" rel="nofollow">{{svg "octicon-file-zip"}} TAR.GZ</a>
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</div>
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</button>
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{{end}}
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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{{end}}
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{{if gt (len .Branches) 1}}
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<h4 class="ui top attached header">
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{{.locale.Tr "repo.branches"}}
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</h4>
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<div class="ui attached table segment">
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<table class="ui very basic striped fixed table single line">
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<tbody>
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{{range .Branches}}
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{{if ne .Name $.DefaultBranch}}
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<tr>
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<td class="six wide">
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{{if .IsDeleted}}
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<s><a href="{{$.RepoLink}}/src/branch/{{PathEscapeSegments .Name}}">{{.Name}}</a></s>
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<p class="info">{{$.locale.Tr "repo.branch.deleted_by" .DeletedBranch.DeletedBy.Name}} {{TimeSinceUnix .DeletedBranch.DeletedUnix $.locale}}</p>
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{{else}}
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{{if .IsProtected}}
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{{svg "octicon-shield-lock"}}
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{{end}}
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<a href="{{$.RepoLink}}/src/branch/{{PathEscapeSegments .Name}}">{{.Name}}</a>
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<p class="info gt-df gt-ac gt-my-2">{{svg "octicon-git-commit" 16 "gt-mr-2"}}<a href="{{$.RepoLink}}/commit/{{PathEscape .Commit.ID.String}}">{{ShortSha .Commit.ID.String}}</a> · <span class="commit-message">{{RenderCommitMessage $.Context .Commit.CommitMessage $.RepoLink $.Repository.ComposeMetas}}</span> · {{$.locale.Tr "org.repo_updated"}} {{TimeSince .Commit.Committer.When $.locale}}</p>
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{{end}}
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</td>
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<td class="three wide ui">
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{{if and (not .IsDeleted) $.DefaultBranchBranch}}
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<div class="commit-divergence">
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<div class="bar-group">
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<div class="count count-behind">{{.CommitsBehind}}</div>
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{{/* old code bears 0/0.0 = NaN output, so it might output invalid "width: NaNpx", it just works and doesn't caues any problem. */}}
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<div class="bar bar-behind" style="width: {{Eval 100 "*" .CommitsBehind "/" "(" .CommitsBehind "+" .CommitsAhead "+" 0.0 ")"}}%"></div>
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</div>
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<div class="bar-group">
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<div class="count count-ahead">{{.CommitsAhead}}</div>
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<div class="bar bar-ahead" style="width: {{Eval 100 "*" .CommitsAhead "/" "(" .CommitsBehind "+" .CommitsAhead "+" 0.0 ")"}}%"></div>
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</div>
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</div>
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{{end}}
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</td>
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<td class="three wide right aligned">
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{{if not .LatestPullRequest}}
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{{if .IsIncluded}}
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<span class="ui orange large label" data-tooltip-content="{{$.locale.Tr "repo.branch.included_desc"}}">
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{{svg "octicon-git-pull-request"}} {{$.locale.Tr "repo.branch.included"}}
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</span>
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{{else if and (not .IsDeleted) $.AllowsPulls (gt .CommitsAhead 0)}}
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<a href="{{$.RepoLink}}/compare/{{PathEscapeSegments $.DefaultBranch}}...{{if ne $.Repository.Owner.Name $.Owner.Name}}{{PathEscape $.Owner.Name}}:{{end}}{{PathEscapeSegments .Name}}">
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<button id="new-pull-request" class="ui compact basic button gt-mr-0">{{if $.CanPull}}{{$.locale.Tr "repo.pulls.compare_changes"}}{{else}}{{$.locale.Tr "action.compare_branch"}}{{end}}</button>
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</a>
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{{end}}
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{{else if and .LatestPullRequest.HasMerged .MergeMovedOn}}
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{{if and (not .IsDeleted) $.AllowsPulls (gt .CommitsAhead 0)}}
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<a href="{{$.RepoLink}}/compare/{{PathEscapeSegments $.DefaultBranch}}...{{if ne $.Repository.Owner.Name $.Owner.Name}}{{$.Owner.Name}}:{{end}}{{.Name | PathEscapeSegments}}">
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<button id="new-pull-request" class="ui compact basic button gt-mr-0">{{if $.CanPull}}{{$.locale.Tr "repo.pulls.compare_changes"}}{{else}}{{$.locale.Tr "action.compare_branch"}}{{end}}</button>
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</a>
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{{end}}
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{{else}}
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<a href="{{.LatestPullRequest.Issue.Link}}" class="gt-vm ref-issue">{{if not .LatestPullRequest.IsSameRepo}}{{.LatestPullRequest.BaseRepo.FullName}}{{end}}#{{.LatestPullRequest.Issue.Index}}</a>
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{{if .LatestPullRequest.HasMerged}}
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<a href="{{.LatestPullRequest.Issue.Link}}" class="ui text-label purple large label gt-vm">{{svg "octicon-git-merge" 16 "gt-mr-2"}}{{$.locale.Tr "repo.pulls.merged"}}</a>
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{{else if .LatestPullRequest.Issue.IsClosed}}
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<a href="{{.LatestPullRequest.Issue.Link}}" class="ui text-label red large label gt-vm">{{svg "octicon-git-pull-request" 16 "gt-mr-2"}}{{$.locale.Tr "repo.issues.closed_title"}}</a>
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{{else}}
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<a href="{{.LatestPullRequest.Issue.Link}}" class="ui text-label green large label gt-vm">{{svg "octicon-git-pull-request" 16 "gt-mr-2"}}{{$.locale.Tr "repo.issues.open_title"}}</a>
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{{end}}
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{{end}}
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</td>
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<td class="three wide right aligned overflow-visible">
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{{if and $.IsWriter (not $.Repository.IsArchived) (not .IsDeleted)}}
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<button class="ui basic jump button icon show-create-branch-modal" data-branch-from="{{.Name}}" data-branch-from-urlcomponent="{{PathEscapeSegments .Name}}" data-tooltip-content="{{$.locale.Tr "repo.branch.new_branch_from" .Name}}" data-modal="#create-branch-modal" data-name="{{.Name}}">
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{{svg "octicon-git-branch"}}
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</button>
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{{end}}
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{{if and (not .IsDeleted) (not $.DisableDownloadSourceArchives)}}
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<button class="ui basic jump dropdown icon button" data-tooltip-content="{{$.locale.Tr "repo.branch.download" (.Name)}}">
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{{svg "octicon-download"}}
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<div class="menu">
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<a class="item archive-link" href="{{$.RepoLink}}/archive/{{PathEscapeSegments .Name}}.zip" rel="nofollow">{{svg "octicon-file-zip"}} ZIP</a>
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<a class="item archive-link" href="{{$.RepoLink}}/archive/{{PathEscapeSegments .Name}}.tar.gz" rel="nofollow">{{svg "octicon-file-zip"}} TAR.GZ</a>
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</div>
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</button>
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{{end}}
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{{if and $.IsWriter (not $.IsMirror) (not $.Repository.IsArchived) (not .IsProtected)}}
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{{if .IsDeleted}}
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<button class="ui basic jump button icon undo-button" data-url="{{$.Link}}/restore?branch_id={{.DeletedBranch.ID}}&name={{.DeletedBranch.Name}}&page={{$.Page.Paginater.Current}}" data-tooltip-content="{{$.locale.Tr "repo.branch.restore" (.Name)}}">
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<span class="text blue">
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{{svg "octicon-reply"}}
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</span>
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</button>
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{{else}}
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<button class="ui basic jump button icon delete-button delete-branch-button" data-url="{{$.Link}}/delete?name={{.Name}}&page={{$.Page.Paginater.Current}}" data-tooltip-content="{{$.locale.Tr "repo.branch.delete" (.Name)}}" data-name="{{.Name}}">
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{{svg "octicon-trash"}}
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</button>
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{{end}}
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{{end}}
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</td>
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</tr>
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{{end}}
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{{end}}
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</tbody>
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</table>
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</div>
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{{template "base/paginate" .}}
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{{end}}
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</div>
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</div>
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<div class="ui small basic delete modal">
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<div class="ui icon header">
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{{svg "octicon-trash"}}
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{{.locale.Tr "repo.branch.delete_html"}} <span class="name"></span>
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</div>
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<div class="content">
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<p>{{.locale.Tr "repo.branch.delete_desc" | Str2html}}</p>
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</div>
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{{template "base/delete_modal_actions" .}}
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</div>
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<div class="ui small modal" id="create-branch-modal">
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<div class="header">
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{{.locale.Tr "repo.branch.new_branch"}}
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</div>
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<div class="content">
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<form class="ui form" id="create-branch-form" action="" data-base-action="{{.Link}}/_new/branch/" method="post">
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{{.CsrfTokenHtml}}
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<div class="field">
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<label>
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{{.locale.Tr "repo.branch.create_new_branch"}}
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<span class="text" id="modal-create-branch-from-span"></span>
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</label>
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</div>
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<div class="required field">
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<label for="new_branch_name">{{.locale.Tr "repo.branch.name"}}</label>
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<input id="new_branch_name" name="new_branch_name" required>
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</div>
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<div class="text right actions">
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<button class="ui cancel button">{{.locale.Tr "settings.cancel"}}</button>
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<button class="ui green button">{{.locale.Tr "repo.branch.confirm_create_branch"}}</button>
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</div>
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</form>
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</div>
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</div>
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{{template "base/footer" .}}
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