fix(repo): be tolerant to implicit submodules (#7352)

CHANGELOG.md

@@ -31,6 +31,7 @@ All notable changes to Gogs are documented in this file.
 - Unable to use LDAP authentication on ARM machines. [#6761](https://github.com/gogs/gogs/issues/6761)
 - Unable to choose "Lookup Avatar by mail" in user settings without deleting custom avatar. [#7267](https://github.com/gogs/gogs/pull/7267)
 - Mistakenly include the "data" directory under the custom directory in the Docker setup. [#7343](https://github.com/gogs/gogs/pull/7343)
+- Unable to render repository pages with implicit submodules (e.g. `get submodule "REDACTED": revision does not exist`). [#6436](https://github.com/gogs/gogs/issues/6436)
 
 ### Removed
 

go.mod

@@ -17,7 +17,7 @@ require (
 	github.com/go-macaron/toolbox v0.0.0-20190813233741-94defb8383c6
 	github.com/gogs/chardet v0.0.0-20150115103509-2404f7772561
 	github.com/gogs/cron v0.0.0-20171120032916-9f6c956d3e14
-	github.com/gogs/git-module v1.8.0
+	github.com/gogs/git-module v1.8.1
 	github.com/gogs/go-gogs-client v0.0.0-20200128182646-c69cb7680fd4
 	github.com/gogs/go-libravatar v0.0.0-20191106065024-33a75213d0a0
 	github.com/gogs/minwinsvc v0.0.0-20170301035411-95be6356811a

go.sum

@@ -166,8 +166,8 @@ github.com/gogs/chardet v0.0.0-20150115103509-2404f7772561 h1:aBzukfDxQlCTVS0NBU
 github.com/gogs/chardet v0.0.0-20150115103509-2404f7772561/go.mod h1:Pcatq5tYkCW2Q6yrR2VRHlbHpZ/R4/7qyL1TCF7vl14=
 github.com/gogs/cron v0.0.0-20171120032916-9f6c956d3e14 h1:yXtpJr/LV6PFu4nTLgfjQdcMdzjbqqXMEnHfq0Or6p8=
 github.com/gogs/cron v0.0.0-20171120032916-9f6c956d3e14/go.mod h1:jPoNZLWDAqA5N3G5amEoiNbhVrmM+ZQEcnQvNQ2KaZk=
-github.com/gogs/git-module v1.8.0 h1:IecGCQ0kCm0c7SFwUYcLXtfCbUb8V3Z6KJA0+WQMzms=
-github.com/gogs/git-module v1.8.0/go.mod h1:Y3rsSqtFZEbn7lp+3gWf42GKIY1eNTtLt7JrmOy0yAQ=
+github.com/gogs/git-module v1.8.1 h1:yC5BZ3unJOXC8N6/FgGQ8EtJXpOd217lgDcd2aPOxkc=
+github.com/gogs/git-module v1.8.1/go.mod h1:Y3rsSqtFZEbn7lp+3gWf42GKIY1eNTtLt7JrmOy0yAQ=
 github.com/gogs/go-gogs-client v0.0.0-20200128182646-c69cb7680fd4 h1:C7NryI/RQhsIWwC2bHN601P1wJKeuQ6U/UCOYTn3Cic=
 github.com/gogs/go-gogs-client v0.0.0-20200128182646-c69cb7680fd4/go.mod h1:fR6z1Ie6rtF7kl/vBYMfgD5/G5B1blui7z426/sj2DU=
 github.com/gogs/go-libravatar v0.0.0-20191106065024-33a75213d0a0 h1:K02vod+sn3M1OOkdqi2tPxN2+xESK4qyITVQ3JkGEv4=

templates/repo/view_list.tmpl

@@ -28,7 +28,7 @@
 				{{if .Submodule}}
 					<td>
 						<span class="octicon octicon-file-submodule"></span>
-						<a href="{{InferSubmoduleURL $.RepoLink .Submodule}}">{{.Entry.Name}} @ {{ShortSHA1 .Submodule.Commit}}</a>
+						<a href="{{InferSubmoduleURL $.RepoLink .Submodule}}">{{.Entry.Name}} {{if .Submodule.Commit}}@ {{ShortSHA1 .Submodule.Commit}}{{end}}</a>
 					</td>
 				{{else}}
 					<td class="name">