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	* Fix commit expand button to not go to commit link * Fix message rendering to have correct HTML in result * Fix check for empty commit message * Code optimization
This commit is contained in:
		@@ -19,6 +19,7 @@ import (
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	"runtime"
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	"strings"
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	"time"
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	"unicode"
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	"code.gitea.io/gitea/models"
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	"code.gitea.io/gitea/modules/base"
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@@ -331,34 +332,46 @@ func RenderCommitMessageLink(msg, urlPrefix, urlDefault string, metas map[string
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// RenderCommitMessageLinkSubject renders commit message as a XXS-safe link to
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// the provided default url, handling for special links without email to links.
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func RenderCommitMessageLinkSubject(msg, urlPrefix, urlDefault string, metas map[string]string) template.HTML {
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	cleanMsg := template.HTMLEscapeString(msg)
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	// we can safely assume that it will not return any error, since there
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	// shouldn't be any special HTML.
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	fullMessage, err := markup.RenderCommitMessageSubject([]byte(cleanMsg), urlPrefix, urlDefault, metas)
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	if err != nil {
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		log.Error("RenderCommitMessageSubject: %v", err)
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		return ""
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	msgLine := strings.TrimLeftFunc(msg, unicode.IsSpace)
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	lineEnd := strings.IndexByte(msgLine, '\n')
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	if lineEnd > 0 {
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		msgLine = msgLine[:lineEnd]
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	}
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	msgLines := strings.Split(strings.TrimSpace(string(fullMessage)), "\n")
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	if len(msgLines) == 0 {
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	msgLine = strings.TrimRightFunc(msgLine, unicode.IsSpace)
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	if len(msgLine) == 0 {
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		return template.HTML("")
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	}
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	return template.HTML(msgLines[0])
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	// we can safely assume that it will not return any error, since there
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	// shouldn't be any special HTML.
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	renderedMessage, err := markup.RenderCommitMessageSubject([]byte(template.HTMLEscapeString(msgLine)), urlPrefix, urlDefault, metas)
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	if err != nil {
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		log.Error("RenderCommitMessageSubject: %v", err)
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		return template.HTML("")
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	}
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	return template.HTML(renderedMessage)
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}
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// RenderCommitBody extracts the body of a commit message without its title.
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func RenderCommitBody(msg, urlPrefix string, metas map[string]string) template.HTML {
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	cleanMsg := template.HTMLEscapeString(msg)
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	fullMessage, err := markup.RenderCommitMessage([]byte(cleanMsg), urlPrefix, "", metas)
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	msgLine := strings.TrimRightFunc(msg, unicode.IsSpace)
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	lineEnd := strings.IndexByte(msgLine, '\n')
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	if lineEnd > 0 {
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		msgLine = msgLine[lineEnd+1:]
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	} else {
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		return template.HTML("")
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	}
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	msgLine = strings.TrimLeftFunc(msgLine, unicode.IsSpace)
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	if len(msgLine) == 0 {
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		return template.HTML("")
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	}
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	renderedMessage, err := markup.RenderCommitMessage([]byte(template.HTMLEscapeString(msgLine)), urlPrefix, "", metas)
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	if err != nil {
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		log.Error("RenderCommitMessage: %v", err)
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		return ""
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	}
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	body := strings.Split(strings.TrimSpace(string(fullMessage)), "\n")
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	if len(body) == 0 {
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		return template.HTML("")
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	}
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	return template.HTML(strings.Join(body[1:], "\n"))
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	return template.HTML(renderedMessage)
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}
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// RenderNote renders the contents of a git-notes file as a commit message.
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@@ -2873,7 +2873,8 @@ function initFilterBranchTagDropdown(selector) {
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    });
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}
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$(".commit-button").click(function() {
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$(".commit-button").click(function(e) {
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    e.preventDefault();
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    $(this).parent().find('.commit-body').toggle();
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});
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