Switch migration icon to svg (#15954)

Followup on https://github.com/go-gitea/gitea/pull/15952, use SVG for migration icon.

<img width="541" alt="Screen Shot 2021-05-23 at 00 26 12" src="https://user-images.githubusercontent.com/115237/119242417-c1a37600-bb5d-11eb-9f97-a80aa89741ee.png">
<img width="540" alt="Screen Shot 2021-05-23 at 00 25 39" src="https://user-images.githubusercontent.com/115237/119242419-c2d4a300-bb5d-11eb-9792-1e6e4092c9f9.png">

9 files changed, 43 insertions, 14 deletions

diff --git a/modules/templates/helper.go b/modules/templates/helper.go
index f8a93228dd..27d81ec9d9 100644
--- a/modules/templates/helper.go
+++ b/modules/templates/helper.go
@@ -911,13 +911,13 @@ func TrN(lang string, cnt interface{}, key1, keyN string) string {
 	return keyN
 }
 
-// MigrationIcon returns a Font Awesome name matching the service an issue/comment was migrated from
+// MigrationIcon returns a SVG name matching the service an issue/comment was migrated from
 func MigrationIcon(hostname string) string {
 	switch hostname {
 	case "github.com":
-		return "fa-github"
+		return "octicon-mark-github"
 	default:
-		return "fa-git-alt"
+		return "gitea-git"
 	}
 }
 
diff --git a/public/img/svg/gitea-git.svg b/public/img/svg/gitea-git.svg
index ed592a6bb5..f0d692251d 100644
--- a/public/img/svg/gitea-git.svg
+++ b/public/img/svg/gitea-git.svg
@@ -1 +1 @@
-<svg viewBox="0 0 48 48" class="svg gitea-git" width="16" height="16" aria-hidden="true"><path fill="#F4511E" d="M42.2 22.1 25.9 5.8c-.5-.5-1.2-.8-1.9-.8s-1.4.3-1.9.8l-3.5 3.5 4.1 4.1c.4-.2.8-.3 1.3-.3 1.7 0 3 1.3 3 3 0 .5-.1.9-.3 1.3l4 4c.4-.2.8-.3 1.3-.3 1.7 0 3 1.3 3 3s-1.3 3-3 3-3-1.3-3-3c0-.5.1-.9.3-1.3l-4-4c-.1 0-.2.1-.3.1v10.4c1.2.4 2 1.5 2 2.8 0 1.7-1.3 3-3 3s-3-1.3-3-3c0-1.3.8-2.4 2-2.8V18.8c-1.2-.4-2-1.5-2-2.8 0-.5.1-.9.3-1.3l-4.1-4.1L5.8 22.1c-.5.5-.8 1.2-.8 1.9s.3 1.4.8 1.9l16.3 16.3c.5.5 1.2.8 1.9.8s1.4-.3 1.9-.8l16.3-16.3c.5-.5.8-1.2.8-1.9s-.3-1.4-.8-1.9z"/></svg>
\ No newline at end of file
+<svg viewBox="0 0 48 48" class="svg gitea-git" width="16" height="16" aria-hidden="true"><path d="M42.2 22.1 25.9 5.8c-.5-.5-1.2-.8-1.9-.8s-1.4.3-1.9.8l-3.5 3.5 4.1 4.1c.4-.2.8-.3 1.3-.3 1.7 0 3 1.3 3 3 0 .5-.1.9-.3 1.3l4 4c.4-.2.8-.3 1.3-.3 1.7 0 3 1.3 3 3s-1.3 3-3 3-3-1.3-3-3c0-.5.1-.9.3-1.3l-4-4c-.1 0-.2.1-.3.1v10.4c1.2.4 2 1.5 2 2.8 0 1.7-1.3 3-3 3s-3-1.3-3-3c0-1.3.8-2.4 2-2.8V18.8c-1.2-.4-2-1.5-2-2.8 0-.5.1-.9.3-1.3l-4.1-4.1L5.8 22.1c-.5.5-.8 1.2-.8 1.9s.3 1.4.8 1.9l16.3 16.3c.5.5 1.2.8 1.9.8s1.4-.3 1.9-.8l16.3-16.3c.5-.5.8-1.2.8-1.9s-.3-1.4-.8-1.9z"/></svg>
\ No newline at end of file
diff --git a/templates/repo/diff/comments.tmpl b/templates/repo/diff/comments.tmpl
index 86e314dc50..ce99ccd9e9 100644
--- a/templates/repo/diff/comments.tmpl
+++ b/templates/repo/diff/comments.tmpl
@@ -14,7 +14,7 @@
 			<div class="comment-header-left df ac">
 				{{if .OriginalAuthor }}
 					<span class="text black mr-2">
-						<i class="fa {{MigrationIcon $.root.Repository.GetOriginalURLHostname}}" aria-hidden="true"></i>
+						{{svg (MigrationIcon $.root.Repository.GetOriginalURLHostname)}}
 						{{ .OriginalAuthor }}
 					</span>
 					<span class="text grey">
diff --git a/templates/repo/issue/view_content.tmpl b/templates/repo/issue/view_content.tmpl
index d2928df342..872c3b620b 100644
--- a/templates/repo/issue/view_content.tmpl
+++ b/templates/repo/issue/view_content.tmpl
@@ -24,7 +24,7 @@
 						<div class="comment-header-left df ac">
 							{{if .Issue.OriginalAuthor }}
 								<span class="text black">
-									<i class="fa {{MigrationIcon .Repository.GetOriginalURLHostname}}" aria-hidden="true"></i>
+									{{svg (MigrationIcon .Repository.GetOriginalURLHostname)}}
 									{{ .Issue.OriginalAuthor }}
 								</span>
 								<span class="text grey">
diff --git a/templates/repo/issue/view_content/comments.tmpl b/templates/repo/issue/view_content/comments.tmpl
index 7bc90b0434..dabba7bc74 100644
--- a/templates/repo/issue/view_content/comments.tmpl
+++ b/templates/repo/issue/view_content/comments.tmpl
@@ -24,7 +24,7 @@
 					<div class="comment-header-left df ac">
 						{{if .OriginalAuthor }}
 							<span class="text black mr-2">
-								<i class="fa {{MigrationIcon $.Repository.GetOriginalURLHostname}}" aria-hidden="true"></i>
+								{{svg (MigrationIcon $.Repository.GetOriginalURLHostname)}}
 								{{ .OriginalAuthor }}
 							</span>
 							<span class="text grey">
@@ -408,7 +408,12 @@
 				<span class="badge{{if eq .Review.Type 1}} bg-green text-white{{else if eq .Review.Type 3}} bg-red text-white{{end}}">{{svg (printf "octicon-%s" .Review.Type.Icon)}}</span>
 				<span class="text grey">
 					{{if .OriginalAuthor }}
-						<span class="text black"><i class="fa {{MigrationIcon $.Repository.GetOriginalURLHostname}}" aria-hidden="true"></i> {{ .OriginalAuthor }}</span><span class="text grey"> {{if $.Repository.OriginalURL}}</span><span class="text migrate">({{$.i18n.Tr "repo.migrated_from" $.Repository.OriginalURL $.Repository.GetOriginalURLHostname | Safe }}){{end}}</span>
+						<span class="text black">
+							{{svg (MigrationIcon $.Repository.GetOriginalURLHostname)}}
+							{{ .OriginalAuthor }}
+						</span>
+						<span class="text grey"> {{if $.Repository.OriginalURL}}</span>
+						<span class="text migrate">({{$.i18n.Tr "repo.migrated_from" $.Repository.OriginalURL $.Repository.GetOriginalURLHostname | Safe }}){{end}}</span>
 					{{else}}
 						<a class="author"{{if gt .Poster.ID 0}} href="{{.Poster.HomeLink}}"{{end}}>{{.Poster.GetDisplayName}}</a>
 					{{end}}
@@ -433,7 +438,12 @@
 					<div class="ui top attached header comment-header df ac sb">
 						<span class="text grey">
 							{{if .OriginalAuthor }}
-								<span class="text black"><i class="fa {{MigrationIcon $.Repository.GetOriginalURLHostname}}" aria-hidden="true"></i> {{ .OriginalAuthor }}</span><span class="text grey"> {{if $.Repository.OriginalURL}}</span><span class="text migrate">({{$.i18n.Tr "repo.migrated_from" $.Repository.OriginalURL $.Repository.GetOriginalURLHostname | Safe }}){{end}}</span>
+								<span class="text black">
+									{{svg (MigrationIcon $.Repository.GetOriginalURLHostname)}}
+									{{ .OriginalAuthor }}
+								</span>
+								<span class="text grey"> {{if $.Repository.OriginalURL}}</span>
+								<span class="text migrate">({{$.i18n.Tr "repo.migrated_from" $.Repository.OriginalURL $.Repository.GetOriginalURLHostname | Safe }}){{end}}</span>
 							{{else}}
 								<a class="author"{{if gt .Poster.ID 0}} href="{{.Poster.HomeLink}}"{{end}}>{{.Poster.GetDisplayName}}</a>
 							{{end}}
@@ -526,7 +536,12 @@
 															{{end}}
 															<span class="text grey">
 																{{if .OriginalAuthor }}
-																	<span class="text black"><i class="fa {{MigrationIcon $.Repository.GetOriginalURLHostname}}" aria-hidden="true"></i> {{ .OriginalAuthor }}</span><span class="text grey"> {{if $.Repository.OriginalURL}}</span><span class="text migrate">({{$.i18n.Tr "repo.migrated_from" $.Repository.OriginalURL $.Repository.GetOriginalURLHostname | Safe }}){{end}}</span>
+																	<span class="text black">
+																		{{svg (MigrationIcon $.Repository.GetOriginalURLHostname)}}
+																		{{ .OriginalAuthor }}
+																	</span>
+																	<span class="text grey"> {{if $.Repository.OriginalURL}}</span>
+																	<span class="text migrate">({{$.i18n.Tr "repo.migrated_from" $.Repository.OriginalURL $.Repository.GetOriginalURLHostname | Safe }}){{end}}</span>
 																{{else}}
 																	<a class="author"{{if gt .Poster.ID 0}} href="{{.Poster.HomeLink}}"{{end}}>{{.Poster.GetDisplayName}}</a>
 																{{end}}
diff --git a/templates/repo/issue/view_content/pull.tmpl b/templates/repo/issue/view_content/pull.tmpl
index 2e624a9fbf..aa0f3dc91a 100644
--- a/templates/repo/issue/view_content/pull.tmpl
+++ b/templates/repo/issue/view_content/pull.tmpl
@@ -86,7 +86,12 @@
 					<div class="ui divider"></div>
 					<div class="review-item">
 						<div class="review-item-left">
-							<a href="{{$.Repository.OriginalURL}}" class="ui poping up" data-content="{{$.i18n.Tr "repo.migrated_from_fake" $.Repository.GetOriginalURLHostname | Safe }}"><span class="text black "><i class="fa {{MigrationIcon $.Repository.GetOriginalURLHostname}}" aria-hidden="true"></i> {{ .OriginalAuthor }}</span></a>
+							<a href="{{$.Repository.OriginalURL}}" class="ui poping up" data-content="{{$.i18n.Tr "repo.migrated_from_fake" $.Repository.GetOriginalURLHostname | Safe }}">
+								<span class="text black ">
+									{{svg (MigrationIcon $.Repository.GetOriginalURLHostname)}}
+									{{ .OriginalAuthor }}
+								</span>
+							</a>
 						</div>
 						<div class="review-item-right">
 							<span class="type-icon text {{if eq .Type 1}}green
diff --git a/templates/repo/issue/view_content/sidebar.tmpl b/templates/repo/issue/view_content/sidebar.tmpl
index dc5f246d27..2ebb02d8a9 100644
--- a/templates/repo/issue/view_content/sidebar.tmpl
+++ b/templates/repo/issue/view_content/sidebar.tmpl
@@ -79,7 +79,12 @@
 					{{end}}
 					{{range .OriginalReviews}}
 						<div class="item" style="margin-bottom: 10px;">
-							<a href="{{$.Repository.OriginalURL}}" class="ui poping up" data-content="{{$.i18n.Tr "repo.migrated_from_fake" $.Repository.GetOriginalURLHostname | Safe }}"><span class="text black "><i class="fa {{MigrationIcon $.Repository.GetOriginalURLHostname}}" aria-hidden="true"></i> {{ .OriginalAuthor }}</span></a>
+							<a href="{{$.Repository.OriginalURL}}" class="ui poping up" data-content="{{$.i18n.Tr "repo.migrated_from_fake" $.Repository.GetOriginalURLHostname | Safe }}">
+								<span class="text black">
+									{{svg (MigrationIcon $.Repository.GetOriginalURLHostname)}}
+									{{ .OriginalAuthor }}
+								</span>
+							</a>
 							<span class="ui right type-icon text {{if eq .Type 1}}green
 								{{- else if eq .Type 2}}grey
 								{{- else if eq .Type 3}}red
diff --git a/web_src/less/_base.less b/web_src/less/_base.less
index 8b951b2548..55632687d4 100644
--- a/web_src/less/_base.less
+++ b/web_src/less/_base.less
@@ -1041,7 +1041,7 @@ a.ui.card:hover,
 
   .migrate {
     color: var(--color-text-light-2) !important;
-    opacity: .5;
+
     a {
       color: var(--color-text-light) !important;
 
@@ -1770,6 +1770,10 @@ a.ui.basic.label:hover {
   }
 }
 
+.migrate .svg.gitea-git {
+  color: #f05133; /* from https://upload.wikimedia.org/wikipedia/commons/e/e0/Git-logo.svg */
+}
+
 .ui.popup {
   background-color: var(--color-body);
   color: var(--color-secondary-dark-6);
diff --git a/web_src/svg/gitea-git.svg b/web_src/svg/gitea-git.svg
index fee8870daf..8b8a7b5fed 100644
--- a/web_src/svg/gitea-git.svg
+++ b/web_src/svg/gitea-git.svg
@@ -1 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 48 48" width="64px" height="64px"><path fill="#F4511E" d="M42.2,22.1L25.9,5.8C25.4,5.3,24.7,5,24,5c0,0,0,0,0,0c-0.7,0-1.4,0.3-1.9,0.8l-3.5,3.5l4.1,4.1c0.4-0.2,0.8-0.3,1.3-0.3c1.7,0,3,1.3,3,3c0,0.5-0.1,0.9-0.3,1.3l4,4c0.4-0.2,0.8-0.3,1.3-0.3c1.7,0,3,1.3,3,3s-1.3,3-3,3c-1.7,0-3-1.3-3-3c0-0.5,0.1-0.9,0.3-1.3l-4-4c-0.1,0-0.2,0.1-0.3,0.1v10.4c1.2,0.4,2,1.5,2,2.8c0,1.7-1.3,3-3,3s-3-1.3-3-3c0-1.3,0.8-2.4,2-2.8V18.8c-1.2-0.4-2-1.5-2-2.8c0-0.5,0.1-0.9,0.3-1.3l-4.1-4.1L5.8,22.1C5.3,22.6,5,23.3,5,24c0,0.7,0.3,1.4,0.8,1.9l16.3,16.3c0,0,0,0,0,0c0.5,0.5,1.2,0.8,1.9,0.8s1.4-0.3,1.9-0.8l16.3-16.3c0.5-0.5,0.8-1.2,0.8-1.9C43,23.3,42.7,22.6,42.2,22.1z"/></svg>
\ No newline at end of file
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 48 48" width="64px" height="64px"><path d="M42.2,22.1L25.9,5.8C25.4,5.3,24.7,5,24,5c0,0,0,0,0,0c-0.7,0-1.4,0.3-1.9,0.8l-3.5,3.5l4.1,4.1c0.4-0.2,0.8-0.3,1.3-0.3c1.7,0,3,1.3,3,3c0,0.5-0.1,0.9-0.3,1.3l4,4c0.4-0.2,0.8-0.3,1.3-0.3c1.7,0,3,1.3,3,3s-1.3,3-3,3c-1.7,0-3-1.3-3-3c0-0.5,0.1-0.9,0.3-1.3l-4-4c-0.1,0-0.2,0.1-0.3,0.1v10.4c1.2,0.4,2,1.5,2,2.8c0,1.7-1.3,3-3,3s-3-1.3-3-3c0-1.3,0.8-2.4,2-2.8V18.8c-1.2-0.4-2-1.5-2-2.8c0-0.5,0.1-0.9,0.3-1.3l-4.1-4.1L5.8,22.1C5.3,22.6,5,23.3,5,24c0,0.7,0.3,1.4,0.8,1.9l16.3,16.3c0,0,0,0,0,0c0.5,0.5,1.2,0.8,1.9,0.8s1.4-0.3,1.9-0.8l16.3-16.3c0.5-0.5,0.8-1.2,0.8-1.9C43,23.3,42.7,22.6,42.2,22.1z"/></svg>
\ No newline at end of file