wiki history improvements (#7391)

* add history comments to detect page delete

Signed-off-by: Michael Gnehr <michael@gnehr.de>

* fix too much history entries
- caused by --follow flag
  - if files with same contents exists

Signed-off-by: Michael Gnehr <michael@gnehr.de>

* style imprevements wiki
- history - wrap long author names

Signed-off-by: Michael Gnehr <michael@gnehr.de>

5 files changed, 27 insertions, 6 deletions

diff --git a/modules/git/repo_commit.go b/modules/git/repo_commit.go
index 8ea2a33145..8429a57039 100644
--- a/modules/git/repo_commit.go
+++ b/modules/git/repo_commit.go
@@ -266,6 +266,16 @@ func (repo *Repository) CommitsByFileAndRange(revision, file string, page int) (
 	return repo.parsePrettyFormatLogToList(stdout)
 }
 
+// CommitsByFileAndRangeNoFollow return the commits according revison file and the page
+func (repo *Repository) CommitsByFileAndRangeNoFollow(revision, file string, page int) (*list.List, error) {
+	stdout, err := NewCommand("log", revision, "--skip="+strconv.Itoa((page-1)*50),
+		"--max-count="+strconv.Itoa(CommitsRangeSize), prettyLogFormat, "--", file).RunInDirBytes(repo.Path)
+	if err != nil {
+		return nil, err
+	}
+	return repo.parsePrettyFormatLogToList(stdout)
+}
+
 // FilesCountBetween return the number of files changed between two commits
 func (repo *Repository) FilesCountBetween(startCommitID, endCommitID string) (int, error) {
 	stdout, err := NewCommand("diff", "--name-only", startCommitID+"..."+endCommitID).RunInDir(repo.Path)
diff --git a/public/css/index.css b/public/css/index.css
index b948766b41..a260c8c706 100644
--- a/public/css/index.css
+++ b/public/css/index.css
@@ -292,7 +292,7 @@ footer .ui.left,footer .ui.right{line-height:40px}
 .markdown:not(code) .ui.list .list,.markdown:not(code) ol.ui.list ol,.markdown:not(code) ul.ui.list ul{padding-left:2em}
 .repository.wiki.revisions .ui.container>.ui.stackable.grid{flex-direction:row-reverse}
 .repository.wiki.revisions .ui.container>.ui.stackable.grid>.header{margin-top:0}
-.repository.wiki.revisions .ui.container>.ui.stackable.grid>.header .sub.header{padding-left:52px}
+.repository.wiki.revisions .ui.container>.ui.stackable.grid>.header .sub.header{padding-left:52px;word-break:break-word}
 .file-revisions-btn{display:block;float:left;margin-bottom:2px!important;padding:11px!important;margin-right:10px!important}
 .file-revisions-btn i{-webkit-touch-callout:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}
 .home .logo{max-width:220px}
diff --git a/public/less/_markdown.less b/public/less/_markdown.less
index 1dcc2caf94..8c7b1125c9 100644
--- a/public/less/_markdown.less
+++ b/public/less/_markdown.less
@@ -505,6 +505,7 @@
 
             .sub.header {
                 padding-left: 52px;
+                word-break: break-word;
             }
         }
     }
diff --git a/routers/repo/wiki.go b/routers/repo/wiki.go
index 0fdf853630..0d965f2183 100644
--- a/routers/repo/wiki.go
+++ b/routers/repo/wiki.go
@@ -248,9 +248,9 @@ func renderRevisionPage(ctx *context.Context) (*git.Repository, *git.TreeEntry)
 	}
 
 	// get Commit Count
-	commitsHistory, err := wikiRepo.CommitsByFileAndRange("master", pageFilename, page)
+	commitsHistory, err := wikiRepo.CommitsByFileAndRangeNoFollow("master", pageFilename, page)
 	if err != nil {
-		ctx.ServerError("CommitsByFileAndRange", err)
+		ctx.ServerError("CommitsByFileAndRangeNoFollow", err)
 		return nil, nil
 	}
 	commitsHistory = models.ValidateCommitsWithEmails(commitsHistory)
diff --git a/templates/repo/wiki/revision.tmpl b/templates/repo/wiki/revision.tmpl
index a64c386edc..c3a4f7636b 100644
--- a/templates/repo/wiki/revision.tmpl
+++ b/templates/repo/wiki/revision.tmpl
@@ -31,7 +31,7 @@
 			<div class="ui header eight wide column">
 				<a class="file-revisions-btn ui basic button" title="{{.i18n.Tr "repo.wiki.back_to_wiki"}}" href="{{.RepoLink}}/wiki/{{.PageURL}}" ><span>{{.revision}}</span> <i class="fa fa-fw fa-file-text-o"></i></a>
 				{{$title}}
-				<div class="ui sub header">
+				<div class="ui sub header wrap">
 					{{$timeSince := TimeSince .Author.When $.Lang}}
 					{{.i18n.Tr "repo.wiki.last_commit_info" .Author.Name $timeSince | Safe}}
 				</div>
@@ -52,8 +52,9 @@
 					<table class="ui very basic striped fixed table single line" id="commits-table">
 						<thead>
 							<tr>
-								<th class="eight wide">{{.i18n.Tr "repo.commits.author"}}</th>
-								<th class="four wide sha">SHA1</th>
+								<th class="four wide">{{.i18n.Tr "repo.commits.author"}}</th>
+								<th class="tree wide sha">SHA1</th>
+								<th class="five wide message">{{.i18n.Tr "repo.commits.message"}}</th>
 								<th class="four wide">{{.i18n.Tr "repo.commits.date"}}</th>
 							</tr>
 						</thead>
@@ -86,6 +87,15 @@
 											{{end}}
 										</label>
 									</td>
+									<td class="message">
+										<span class="message-wrapper">
+											<span class="commit-summary has-emoji{{if gt .ParentCount 1}} grey text{{end}}" title="{{.Summary}}">{{.Summary}}</span>
+											{{if IsMultilineCommitMessage .Message}}
+											<button class="basic compact mini ui icon button commit-button"><i class="ellipsis horizontal icon"></i></button>
+											<pre class="commit-body" style="display: none;">{{RenderCommitBody .Message $.RepoLink $.Repository.ComposeMetas}}</pre>
+											{{end}}
+										</span>
+									</td>
 									<td class="grey text">{{TimeSince .Author.When $.Lang}}</td>
 								</tr>
 							{{end}}