Fix can not save release draft as draft again (#3669)

But release was not saved as draft in the first time, is not
possible to be draft afterwards because the Git tag was created.

gogs.go

@@ -16,7 +16,7 @@ import (
 	"github.com/gogits/gogs/modules/setting"
 )
 
-const APP_VER = "0.9.127.0130"
+const APP_VER = "0.9.128.0130"
 
 func init() {
 	setting.AppVer = APP_VER

routers/repo/release.go

@@ -240,6 +240,7 @@ func EditRelease(ctx *context.Context) {
 	ctx.Data["title"] = rel.Title
 	ctx.Data["content"] = rel.Note
 	ctx.Data["prerelease"] = rel.IsPrerelease
+	ctx.Data["IsDraft"] = rel.IsDraft
 
 	ctx.HTML(200, RELEASE_NEW)
 }
@@ -264,6 +265,7 @@ func EditReleasePost(ctx *context.Context, form auth.EditReleaseForm) {
 	ctx.Data["title"] = rel.Title
 	ctx.Data["content"] = rel.Note
 	ctx.Data["prerelease"] = rel.IsPrerelease
+	ctx.Data["IsDraft"] = rel.IsDraft
 
 	if ctx.HasError() {
 		ctx.HTML(200, RELEASE_NEW)

templates/.VERSION

@@ -1 +1 @@
-0.9.127.0130
+0.9.128.0130

templates/repo/release/new.tmpl

@@ -60,12 +60,20 @@
 					</div>
 					<span class="help">{{.i18n.Tr "repo.release.prerelease_helper"}}</span>
 					<div class="field">
+						<a class="ui blue basic button" href="{{.RepoLink}}/releases">
+							{{.i18n.Tr "repo.release.cancel"}}
+						</a>
+						{{/* Release didn't save as draft at first time is not possible to be draft again because the Git tag had been created. */}}
+						{{if or (not .PageIsEditRelease) .IsDraft}}
+							<input class="ui grey button" type="submit" name="draft" value="{{.i18n.Tr "repo.release.save_draft"}}"/>
+						{{end}}
 						{{if .PageIsEditRelease}}
-							<a class="ui blue basic button" href="{{.RepoLink}}/releases">
-								{{.i18n.Tr "repo.release.cancel"}}
-							</a>
 							<button class="ui green button">
-								{{.i18n.Tr "repo.release.edit_release"}}
+								{{if .IsDraft}}
+									{{.i18n.Tr "repo.release.publish"}}
+								{{else}}
+									{{.i18n.Tr "repo.release.edit_release"}}
+								{{end}}
 							</button>
 							<a class="ui red button delete-button" data-url="{{$.RepoLink}}/releases/delete" data-id="{{.ID}}">
 								{{$.i18n.Tr "repo.release.delete_release"}}
@@ -74,7 +82,6 @@
 							<button class="ui green button">
 								{{.i18n.Tr "repo.release.publish"}}
 							</button>
-							<input class="ui grey button" type="submit" name="draft" value="{{.i18n.Tr "repo.release.save_draft"}}"/>
 						{{end}}
 					</div>
 				</div>