Use vendored go-swagger

Makefile

@@ -48,6 +48,8 @@ TAGS ?=
 
 TMPDIR := $(shell mktemp -d 2>/dev/null || mktemp -d -t 'gitea-temp')
 
+#To update swagger use: GO111MODULE=on go get -u github.com/go-swagger/go-swagger/cmd/[email protected]
+SWAGGER := GO111MODULE=on $(GO) run -mod=vendor github.com/go-swagger/go-swagger/cmd/swagger
 SWAGGER_SPEC := templates/swagger/v1_json.tmpl
 SWAGGER_SPEC_S_TMPL := s|"basePath": *"/api/v1"|"basePath": "{{AppSubUrl}}/api/v1"|g
 SWAGGER_SPEC_S_JSON := s|"basePath": *"{{AppSubUrl}}/api/v1"|"basePath": "/api/v1"|g
@@ -101,10 +103,7 @@ generate:
 
 .PHONY: generate-swagger
 generate-swagger:
-	@hash swagger > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
-		GO111MODULE="on" $(GO) get -u github.com/go-swagger/go-swagger/cmd/[email protected]; \
-	fi
-	swagger generate spec -o './$(SWAGGER_SPEC)'
+	$(SWAGGER) generate spec -o './$(SWAGGER_SPEC)'
 	$(SED_INPLACE) '$(SWAGGER_SPEC_S_TMPL)' './$(SWAGGER_SPEC)'
 	$(SED_INPLACE) $(SWAGGER_NEWLINE_COMMAND) './$(SWAGGER_SPEC)'
 
@@ -119,11 +118,8 @@ swagger-check: generate-swagger
 
 .PHONY: swagger-validate
 swagger-validate:
-	@hash swagger > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
-		GO111MODULE="on" $(GO) get -u github.com/go-swagger/go-swagger/cmd/[email protected]; \
-	fi
 	$(SED_INPLACE) '$(SWAGGER_SPEC_S_JSON)' './$(SWAGGER_SPEC)'
-	swagger validate './$(SWAGGER_SPEC)'
+	$(SWAGGER) validate './$(SWAGGER_SPEC)'
 	$(SED_INPLACE) '$(SWAGGER_SPEC_S_TMPL)' './$(SWAGGER_SPEC)'
 
 .PHONY: errcheck

go.mod

@@ -3,6 +3,7 @@ module code.gitea.io/gitea
 go 1.12
 
 require (
+	cloud.google.com/go v0.45.0 // indirect
 	gitea.com/macaron/binding v0.0.0-20190822013154-a5f53841ed2b
 	gitea.com/macaron/cache v0.0.0-20190822004001-a6e7fee4ee76
 	gitea.com/macaron/captcha v0.0.0-20190822015246-daa973478bae
@@ -44,10 +45,10 @@ require (
 	github.com/glycerine/goconvey v0.0.0-20190315024820-982ee783a72e // indirect
 	github.com/go-redis/redis v6.15.2+incompatible
 	github.com/go-sql-driver/mysql v1.4.1
+	github.com/go-swagger/go-swagger v0.20.1
 	github.com/go-xorm/xorm v0.7.7-0.20190822154023-17592d96b35b
 	github.com/gogits/chardet v0.0.0-20150115103509-2404f7772561
 	github.com/gogs/cron v0.0.0-20171120032916-9f6c956d3e14
-	github.com/golang/snappy v0.0.1 // indirect
 	github.com/google/go-github/v24 v24.0.1
 	github.com/gorilla/context v1.1.1
 	github.com/issue9/assert v1.3.2 // indirect
@@ -79,7 +80,6 @@ require (
 	github.com/philhofer/fwd v1.0.0 // indirect
 	github.com/pquerna/otp v0.0.0-20160912161815-54653902c20e
 	github.com/prometheus/client_golang v1.1.0
-	github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4 // indirect
 	github.com/prometheus/procfs v0.0.4 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20190321074620-2f0d2b0e0001 // indirect
 	github.com/russross/blackfriday v0.0.0-20180428102519-11635eb403ff
@@ -101,11 +101,10 @@ require (
 	github.com/urfave/cli v1.20.0
 	github.com/willf/bitset v0.0.0-20180426185212-8ce1146b8621 // indirect
 	github.com/yohcop/openid-go v0.0.0-20160914080427-2c050d2dae53
-	go.etcd.io/bbolt v1.3.3 // indirect
 	golang.org/x/crypto v0.0.0-20190829043050-9756ffdc2472
 	golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297
 	golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45
-	golang.org/x/sys v0.0.0-20190904005037-43c01164e931
+	golang.org/x/sys v0.0.0-20190904154756-749cb33beabd
 	golang.org/x/text v0.3.2
 	golang.org/x/tools v0.0.0-20190903163617-be0da057c5e3 // indirect
 	google.golang.org/appengine v1.6.2 // indirect

tools.go

@@ -0,0 +1,10 @@
+// Copyright 2019 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.
+// +build tools
+
+package tools
+
+import (
+	_ "github.com/go-swagger/go-swagger/cmd/swagger"
+)