[chore] Update Go version to 1.18 (#444)

* linting with new golangci-lint version

* update go to 1.18

* bump versions in drone.yml

* use new runtime/debug package for version info

* remove Commit build flag from goreleaser

* remove mock commit + version from build script

* go fmt

* add dummy version env flag to test container

* install git in golang container for testing

* only set versionString if Version is defined

.drone.yml

@@ -12,7 +12,7 @@ steps:
   # We use golangci-lint for linting.
   # See: https://golangci-lint.run/
   - name: lint
-    image: golangci/golangci-lint:v1.43.0
+    image: golangci/golangci-lint:v1.45.2
     volumes:
       - name: go-build-cache
         path: /root/.cache/go-build
@@ -28,13 +28,14 @@ steps:
           - pull_request
 
   - name: test
-    image: golang:1.17.7-alpine3.14
+    image: golang:1.18-alpine
     volumes:
       - name: go-build-cache
         path: /root/.cache/go-build
       - name: go-src
         path: /go
     commands:
+      - apk update --no-cache && apk add git
       - CGO_ENABLED=0 GTS_DB_TYPE="sqlite" GTS_DB_ADDRESS=":memory:" go test ./...
       - CGO_ENABLED=0 ./test/cliparsing.sh
     when:
@@ -43,7 +44,7 @@ steps:
           - pull_request
 
   - name: snapshot
-    image: superseriousbusiness/gotosocial-drone-build:0.0.3 # https://github.com/superseriousbusiness/gotosocial-drone-build
+    image: superseriousbusiness/gotosocial-drone-build:0.0.4 # https://github.com/superseriousbusiness/gotosocial-drone-build
     volumes:
       - name: go-build-cache
         path: /root/.cache/go-build
@@ -72,7 +73,7 @@ steps:
           - main
 
   - name: release
-    image: superseriousbusiness/gotosocial-drone-build:0.0.3 # https://github.com/superseriousbusiness/gotosocial-drone-build
+    image: superseriousbusiness/gotosocial-drone-build:0.0.4 # https://github.com/superseriousbusiness/gotosocial-drone-build
     volumes:
       - name: go-build-cache
         path: /root/.cache/go-build
@@ -131,24 +132,19 @@ clone:
 
 steps:
   - name: mirror
-    image: alpine/git
+    image: superseriousbusiness/gotosocial-drone-build:0.0.4
     environment:
+      ORIGIN_REPO: https://github.com/superseriousbusiness/gotosocial
+      TARGET_REPO: https://codeberg.org/superseriousbusiness/gotosocial
+      CODEBERG_USER: gotosocialbot
+      CODEBERG_EMAIL: admin@gotosocial.org
       CODEBERG_TOKEN:
         from_secret: gts_codeberg_token
     commands:
-      # clone mirror
-      - git clone --mirror https://github.com/superseriousbusiness/gotosocial .
-      # configure git credentials
-      - git config --global user.email "admin@gotosocial.org"
-      - git config credential.helper store
-      - printf "https://gotosocialbot:${CODEBERG_TOKEN}@codeberg.org\n" >> ~/.git-credentials
-      # push mirror
-      - git push --mirror https://codeberg.org/superseriousbusiness/gotosocial
-      # clean up
-      - rm ~/.git-credentials
+      - /go/codeberg_clone.sh
 
 ---
 kind: signature
-hmac: 40ac973022e4bf7354a30b66ab660c4528be2667d98ff6e859386bfa24fa5dae
+hmac: f3cf4e422d9ce7dc0a881da429db628232e2f9e91383ee5a33cf4f13542c0a23
 
 ...