API: Get release by tags endpoint

routers/api/v1/api.go

@@ -797,6 +797,9 @@ func RegisterRoutes(m *macaron.Macaron) {
 								Delete(reqToken(), reqRepoWriter(models.UnitTypeReleases), repo.DeleteReleaseAttachment)
 						})
 					})
+					m.Group("/tags", func() {
+						m.Get("/:tag", repo.GetReleaseTag)
+					})
 				}, reqRepoReader(models.UnitTypeReleases))
 				m.Post("/mirror-sync", reqToken(), reqRepoWriter(models.UnitTypeCode), repo.MirrorSync)
 				m.Get("/editorconfig/:filename", context.RepoRef(), reqRepoReader(models.UnitTypeCode), repo.GetEditorconfig)

routers/api/v1/repo/release_tags.go

@@ -0,0 +1,54 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package repo
+
+import (
+	"net/http"
+
+	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/modules/context"
+)
+
+// GetReleaseTag get a single release of a repository by its tagname
+func GetReleaseTag(ctx *context.APIContext) {
+	// swagger:operation GET /repos/{owner}/{repo}/releases/tags/{tag} repository repoGetReleaseTag
+	// ---
+	// summary: Get a release by tagname
+	// produces:
+	// - application/json
+	// parameters:
+	// - name: owner
+	//   in: path
+	//   description: owner of the repo
+	//   type: string
+	//   required: true
+	// - name: repo
+	//   in: path
+	//   description: name of the repo
+	//   type: string
+	//   required: true
+	// - name: tag
+	//   in: path
+	//   description: tagname of the release to get
+	//   type: string
+	//   required: true
+	// responses:
+	//   "200":
+	//     "$ref": "#/responses/Release"
+
+	tag := ctx.Params(":tag")
+
+	release, err := models.GetRelease(ctx.Repo.Repository.ID, tag)
+	if err != nil {
+		ctx.Error(http.StatusNotFound, "GetRelease", err)
+		return
+	}
+
+	if err := release.LoadAttributes(); err != nil {
+		ctx.Error(http.StatusInternalServerError, "LoadAttributes", err)
+		return
+	}
+	ctx.JSON(http.StatusOK, release.APIFormat())
+}

templates/swagger/v1_json.tmpl

@@ -7569,6 +7569,46 @@
         }
       }
     },
+    "/repos/{owner}/{repo}/releases/tags/{tag}": {
+      "get": {
+        "produces": [
+          "application/json"
+        ],
+        "tags": [
+          "repository"
+        ],
+        "summary": "Get a release by tagname",
+        "operationId": "repoGetReleaseTag",
+        "parameters": [
+          {
+            "type": "string",
+            "description": "owner of the repo",
+            "name": "owner",
+            "in": "path",
+            "required": true
+          },
+          {
+            "type": "string",
+            "description": "name of the repo",
+            "name": "repo",
+            "in": "path",
+            "required": true
+          },
+          {
+            "type": "string",
+            "description": "tagname of the release to get",
+            "name": "tag",
+            "in": "path",
+            "required": true
+          }
+        ],
+        "responses": {
+          "200": {
+            "$ref": "#/responses/Release"
+          }
+        }
+      }
+    },
     "/repos/{owner}/{repo}/releases/{id}": {
       "get": {
         "produces": [