Bump to build with go1.18 (go-gitea#19120 et al) (go-gitea#19127)

Backport go-gitea#19120 
Backport go-gitea#19099 
Backport go-gitea#18874 
Backport go-gitea#18420
Backport go-gitea#19128
Backport go-gitea#18270 

Bump to build with go1.18

Co-authored-by: techknowlogick <techknowlogick@gitea.io>
Signed-off-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: Jelle Hulter <jellehulter@gmail.com>

Author: 5 people

.drone.yml

@@ -25,7 +25,7 @@ steps:
       - make deps-frontend
 
   - name: deps-backend
-    image: golang:1.17
+    image: golang:1.18
     pull: always
     commands:
       - make deps-backend
@@ -49,18 +49,24 @@ steps:
       GOSUMDB: sum.golang.org
       TAGS: bindata sqlite sqlite_unlock_notify
     depends_on: [deps-backend]
+    volumes:
+      - name: deps
+        path: /go
 
   - name: lint-backend-windows
     image: gitea/test_env:linux-amd64  # https://gitea.com/gitea/test-env
     commands:
-      - make golangci-lint vet
+      - make golangci-lint-windows vet
     environment:
       GOPROXY: https://goproxy.cn # proxy.golang.org is blocked in China, this proxy is not
       GOSUMDB: sum.golang.org
       TAGS: bindata sqlite sqlite_unlock_notify
       GOOS: windows
       GOARCH: amd64
     depends_on: [deps-backend]
+    volumes:
+      - name: deps
+        path: /go
 
   - name: lint-backend-gogit
     image: gitea/test_env:linux-amd64  # https://gitea.com/gitea/test-env
@@ -71,6 +77,9 @@ steps:
       GOSUMDB: sum.golang.org
       TAGS: bindata gogit sqlite sqlite_unlock_notify
     depends_on: [deps-backend]
+    volumes:
+      - name: deps
+        path: /go
 
   - name: checks-frontend
     image: node:16
@@ -79,7 +88,7 @@ steps:
     depends_on: [deps-frontend]
 
   - name: checks-backend
-    image: golang:1.17
+    image: golang:1.18
     commands:
       - make checks-backend
     depends_on: [deps-backend]
@@ -100,7 +109,7 @@ steps:
     depends_on: [test-frontend]
 
   - name: build-backend-no-gcc
-    image: golang:1.16 # this step is kept as the lowest version of golang that we support
+    image: golang:1.17 # this step is kept as the lowest version of golang that we support
     pull: always
     environment:
       GO111MODULE: on
@@ -113,7 +122,7 @@ steps:
         path: /go
 
   - name: build-backend-arm64
-    image: golang:1.17
+    image: golang:1.18
     environment:
       GO111MODULE: on
       GOPROXY: https://goproxy.cn
@@ -129,7 +138,7 @@ steps:
         path: /go
 
   - name: build-backend-windows
-    image: golang:1.17
+    image: golang:1.18
     environment:
       GO111MODULE: on
       GOPROXY: https://goproxy.cn
@@ -144,7 +153,7 @@ steps:
         path: /go
 
   - name: build-backend-386
-    image: golang:1.17
+    image: golang:1.18
     environment:
       GO111MODULE: on
       GOPROXY: https://goproxy.cn
@@ -233,7 +242,7 @@ steps:
           - pull_request
 
   - name: deps-backend
-    image: golang:1.17
+    image: golang:1.18
     pull: always
     commands:
       - make deps-backend
@@ -350,7 +359,7 @@ steps:
         path: /go
 
   - name: generate-coverage
-    image: golang:1.17
+    image: golang:1.18
     commands:
       - make coverage
     environment:
@@ -425,7 +434,7 @@ steps:
           - pull_request
 
   - name: deps-backend
-    image: golang:1.17
+    image: golang:1.18
     pull: always
     commands:
       - make deps-backend
@@ -567,7 +576,7 @@ trigger:
 
 steps:
   - name: download
-    image: golang:1.17
+    image: golang:1.18
     pull: always
     commands:
       - timeout -s ABRT 40m make generate-license generate-gitignore
@@ -628,7 +637,7 @@ steps:
       - make deps-frontend
 
   - name: deps-backend
-    image: golang:1.17
+    image: golang:1.18
     pull: always
     commands:
       - make deps-backend
@@ -637,7 +646,7 @@ steps:
         path: /go
 
   - name: static
-    image: techknowlogick/xgo:go-1.17.x
+    image: techknowlogick/xgo:go-1.18.x
     pull: always
     commands:
       - curl -sL https://deb.nodesource.com/setup_16.x | bash - && apt-get install -y nodejs
@@ -746,7 +755,7 @@ steps:
       - make deps-frontend
 
   - name: deps-backend
-    image: golang:1.17
+    image: golang:1.18
     pull: always
     commands:
       - make deps-backend
@@ -755,7 +764,7 @@ steps:
         path: /go
 
   - name: static
-    image: techknowlogick/xgo:go-1.17.x
+    image: techknowlogick/xgo:go-1.18.x
     pull: always
     commands:
       - curl -sL https://deb.nodesource.com/setup_16.x | bash - && apt-get install -y nodejs

.golangci.yml

@@ -13,7 +13,7 @@ linters:
     #- gocyclo # The cyclomatic complexety of a lot of functions is too high, we should refactor those another time.
     - gofmt
     - misspell
-    - gocritic
+    #- gocritic # TODO: disabled until fixed with go 1.18
     - bidichk
     - ineffassign
     - revive
@@ -22,7 +22,7 @@ linters:
   fast: false
 
 run:
-  timeout: 3m
+  timeout: 10m
   skip-dirs:
     - node_modules
     - public
@@ -61,6 +61,9 @@ linters-settings:
       - name: errorf
       - name: duplicated-imports
       - name: modifies-value-receiver
+  gofumpt:
+    extra-rules: true
+    lang-version: 1.18
 
 issues:
   exclude-rules:
@@ -148,3 +151,11 @@ issues:
     - path: models/user/openid.go
       linters:
         - golint
+    - linters: staticcheck
+      text: "strings.Title is deprecated: The rule Title uses for word boundaries does not handle Unicode punctuation properly. Use golang.org/x/text/cases instead."
+    - linters: staticcheck
+      text: "util.FindClosure is deprecated: This function can not handle newlines. Many elements can be existed over multiple lines(e.g. link labels). Use text.Reader.FindClosure."
+    - linters: staticcheck
+      text: "gossh.SigAlgoRSASHA2256 is deprecated: use KeyAlgoRSASHA256."
+    - linters: staticcheck
+      text: "gossh.SigAlgoRSASHA2512 is deprecated: use KeyAlgoRSASHA512."

Dockerfile

@@ -1,7 +1,5 @@
-
-###################################
-#Build stage - temporarily using techknowlogick image until we upgrade to latest official alpine/go image
-FROM techknowlogick/go:1.17-alpine3.13 AS build-env
+#Build stage
+FROM golang:1.18-alpine3.15 AS build-env
 
 ARG GOPROXY
 ENV GOPROXY ${GOPROXY:-direct}

Dockerfile.rootless

@@ -1,7 +1,5 @@
-
-###################################
-#Build stage - temporarily using techknowlogick image until we upgrade to latest official alpine/go image
-FROM techknowlogick/go:1.17-alpine3.13 AS build-env
+#Build stage
+FROM golang:1.18-alpine3.15 AS build-env
 
 ARG GOPROXY
 ENV GOPROXY ${GOPROXY:-direct}