refactor!: remove go-git backend

.github/actions/pgsql-shard/action.yml

@@ -34,7 +34,7 @@ runs:
       env:
         # pgsql is chosen to be the unlucky one to run with the slow "race detector", it is about 60% slower.
         GOTEST_FLAGS: -race -timeout=40m
-        TAGS: bindata gogit
+        TAGS: bindata
         TEST_LDAP: 1
         TEST_SHARD: ${{ inputs.shard }}
         TEST_TOTAL_SHARDS: ${{ inputs.total-shards }}

.github/workflows/cache-seeder.yml

@@ -37,22 +37,15 @@ jobs:
       - uses: ./.github/actions/go-setup
       - run: make deps-backend deps-tools
       - run: TAGS="bindata" make backend
-      - run: TAGS="bindata gogit" make backend
       - name: warm test compile cache (bindata)
         env:
           TAGS: bindata
           GOTEST_FLAGS: -race -list=^$$ -count=1
         run: make test-backend
-      - name: warm test compile cache (bindata gogit)
-        env:
-          TAGS: bindata gogit
-          GOTEST_FLAGS: -race -list=^$$ -count=1
-        run: make test-backend
       - name: warm integration compile cache
         run: |
           TAGS="bindata" make test-integration-compile
-          TAGS="bindata gogit" make test-integration-compile
-          TAGS="bindata gogit" GOTEST_FLAGS="-race" make test-integration-compile
+          TAGS="bindata" GOTEST_FLAGS="-race" make test-integration-compile
 
   lint:
     runs-on: ubuntu-latest

.github/workflows/pull-compliance.yml

@@ -93,13 +93,13 @@ jobs:
         env:
           GOOS: linux
           GOARCH: arm64
-          TAGS: bindata gogit
+          TAGS: bindata
       - name: build-backend-windows
         run: go build -ldflags '-s -w' -o gitea-windows
         env:
           GOOS: windows
           GOARCH: amd64
-          TAGS: bindata gogit
+          TAGS: bindata
       - name: build-backend-386
         run: go build -ldflags '-s -w' -o gitea-linux-386
         env:

.github/workflows/pull-db-tests.yml

@@ -95,17 +95,17 @@ jobs:
       - run: make deps-backend
       - run: make backend
         env:
-          TAGS: bindata gogit
+          TAGS: bindata
       - run: GITEA_TEST_DATABASE=sqlite make test-migration
         env:
-          TAGS: bindata gogit
+          TAGS: bindata
       - name: run tests
         run: GITEA_TEST_DATABASE=sqlite make test-integration
         timeout-minutes: 50
         env:
           # sqlite driver can contain large amount of Golang code, so don't use race detector for it, otherwise, extremely slow
           GOTEST_FLAGS: -timeout=40m
-          TAGS: bindata gogit
+          TAGS: bindata
 
   test-unit:
     if: needs.files-changed.outputs.backend == 'true'
@@ -163,13 +163,6 @@ jobs:
           GOTEST_FLAGS: -race -timeout=20m
           TAGS: bindata
           GITHUB_READ_TOKEN: ${{ secrets.GITHUB_READ_TOKEN }}
-      - name: unit-tests-gogit
-        run: make test-backend
-        env:
-          GOTEST_FLAGS: -race -timeout=20m
-          TAGS: bindata gogit
-          GITHUB_READ_TOKEN: ${{ secrets.GITHUB_READ_TOKEN }}
-          GITEA_TEST_CI_SKIP_EXTERNAL: true
       - run: make test-check
 
   test-mysql:

custom/conf/app.example.ini

@@ -780,8 +780,6 @@ LEVEL = Info
 ;; Respond to pushes to a non-default branch with a URL for creating a Pull Request (if the repository has them enabled)
 ;PULL_REQUEST_PUSH_MESSAGE = true
 ;;
-;; (Go-Git only) Don't cache objects greater than this in memory. (Set to 0 to disable.)
-;LARGE_OBJECT_THRESHOLD = 1048576
 ;; Set to true to forcibly set core.protectNTFS=false
 ;DISABLE_CORE_PROTECT_NTFS=false
 ;; Disable the usage of using partial clones for git.

docs/build-source.md

@@ -25,21 +25,13 @@ Depending on requirements, the following build tags can be included.
 - `bindata`: Build a single monolithic binary, with all assets included. Required for distribution and production build.
 - `pam`: Enable support for PAM (Linux Pluggable Authentication Modules).
   Can be used to authenticate local users or extend authentication to methods available to PAM.
-- `gogit`: (EXPERIMENTAL) Use go-git variants of Git commands.
 
 To include all assets, use the `bindata` tag:
 
 ```bash
 TAGS="bindata" make build
 ```
 
-Tag `gogit` is used to try to resolve some Windows-specific performance problems, POSIX systems don't need it.
-You can build a Windows binary by:
-
-```bash
-GOOS=windows TAGS="bindata gogit" make build
-```
-
 ## Changing default paths
 
 Gitea will search for a number of things from the _`CustomPath`_.

go.mod

@@ -35,16 +35,13 @@ require (
 	github.com/dustin/go-humanize v1.1.0
 	github.com/editorconfig/editorconfig-core-go/v2 v2.6.5
 	github.com/emersion/go-imap v1.2.1
-	github.com/emirpasic/gods v1.18.1
 	github.com/felixge/fgprof v0.9.5
 	github.com/fsnotify/fsnotify v1.10.1
 	github.com/getkin/kin-openapi v0.149.0
 	github.com/go-chi/chi/v5 v5.3.2
 	github.com/go-chi/cors v1.2.2
 	github.com/go-co-op/gocron/v2 v2.22.0
 	github.com/go-enry/go-enry/v2 v2.9.6
-	github.com/go-git/go-billy/v5 v5.9.1
-	github.com/go-git/go-git/v5 v5.19.2
 	github.com/go-ldap/ldap/v3 v3.4.14
 	github.com/go-redsync/redsync/v4 v4.18.0
 	github.com/go-sql-driver/mysql v1.10.1
@@ -114,10 +111,8 @@ require (
 
 require (
 	cloud.google.com/go/compute/metadata v0.9.0 // indirect
-	dario.cat/mergo v1.0.2 // indirect
 	filippo.io/edwards25519 v1.2.0 // indirect
 	github.com/DataDog/zstd v1.5.7 // indirect
-	github.com/Microsoft/go-winio v0.6.2 // indirect
 	github.com/RoaringBitmap/roaring/v2 v2.18.2 // indirect
 	github.com/STARRY-S/zip v0.2.3 // indirect
 	github.com/andybalholm/brotli v1.2.1 // indirect
@@ -159,7 +154,6 @@ require (
 	github.com/couchbase/gomemcached v0.3.4 // indirect
 	github.com/couchbase/goutils v0.3.0 // indirect
 	github.com/cpuguy83/go-md2man/v2 v2.0.7 // indirect
-	github.com/cyphar/filepath-securejoin v0.6.1 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/davidmz/go-pageant v1.0.2 // indirect
 	github.com/emersion/go-sasl v0.0.0-20241020182733-b788ff22d5a6 // indirect
@@ -168,15 +162,13 @@ require (
 	github.com/git-lfs/pktline v0.0.0-20230103162542-ca444d533ef1 // indirect
 	github.com/go-asn1-ber/asn1-ber v1.5.8 // indirect
 	github.com/go-enry/go-oniguruma v1.2.1 // indirect
-	github.com/go-git/gcfg v1.5.1-0.20230307220236-3a3c6141e376 // indirect
 	github.com/go-openapi/jsonpointer v0.23.1 // indirect
 	github.com/go-openapi/swag/jsonname v0.26.1 // indirect
 	github.com/go-viper/mapstructure/v2 v2.5.0 // indirect
 	github.com/go-webauthn/x v0.3.1 // indirect
 	github.com/goccy/go-json v0.10.6 // indirect
 	github.com/golang-sql/civil v0.0.0-20220223132316-b832511892a9 // indirect
 	github.com/golang-sql/sqlexp v0.1.0 // indirect
-	github.com/golang/groupcache v0.0.0-20241129210726-2c02b8208cf8 // indirect
 	github.com/golang/snappy v1.0.0 // indirect
 	github.com/google/flatbuffers v25.12.19+incompatible // indirect
 	github.com/google/go-querystring v1.2.0 // indirect
@@ -188,10 +180,8 @@ require (
 	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
 	github.com/hashicorp/go-retryablehttp v0.7.8 // indirect
 	github.com/inbucket/html2text v1.0.0 // indirect
-	github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect
 	github.com/jonboulle/clockwork v0.5.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
-	github.com/kevinburke/ssh_config v1.6.0 // indirect
 	github.com/klauspost/cpuid/v2 v2.4.0 // indirect
 	github.com/klauspost/crc32 v1.3.0 // indirect
 	github.com/klauspost/pgzip v1.2.6 // indirect
@@ -219,9 +209,9 @@ require (
 	github.com/olekukonko/ll v0.1.8 // indirect
 	github.com/olekukonko/tablewriter v1.1.4 // indirect
 	github.com/onsi/ginkgo v1.16.5 // indirect
+	github.com/onsi/gomega v1.34.1 // indirect
 	github.com/philhofer/fwd v1.2.0 // indirect
 	github.com/pierrec/lz4/v4 v4.1.27 // indirect
-	github.com/pjbgf/sha1cd v0.6.0 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
 	github.com/prometheus/client_model v0.6.2 // indirect
@@ -232,15 +222,13 @@ require (
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/shopspring/decimal v1.4.0 // indirect
 	github.com/sirupsen/logrus v1.10.2 // indirect
-	github.com/skeema/knownhosts v1.3.2 // indirect
 	github.com/sorairolake/lzip-go v0.3.8 // indirect
 	github.com/spf13/afero v1.15.0 // indirect
 	github.com/ssor/bom v0.0.0-20170718123548-6386211fdfcf // indirect
 	github.com/stangelandcl/ppmd v0.1.1 // indirect
 	github.com/tinylib/msgp v1.6.4 // indirect
 	github.com/unknwon/com v1.0.1 // indirect
 	github.com/x448/float16 v0.8.4 // indirect
-	github.com/xanzy/ssh-agent v0.3.3 // indirect
 	github.com/xi2/xz v0.0.0-20171230120015-48954b6210f8 // indirect
 	github.com/zeebo/blake3 v0.2.4 // indirect
 	github.com/zeebo/xxh3 v1.1.0 // indirect
@@ -251,10 +239,10 @@ require (
 	go.uber.org/zap/exp v0.3.0 // indirect
 	go.yaml.in/yaml/v3 v3.0.5 // indirect
 	go4.org v0.0.0-20260112195520-a5071408f32f // indirect
+	golang.org/x/exp v0.0.0-20260410095643-746e56fc9e2f // indirect
 	golang.org/x/time v0.15.0 // indirect
 	golang.org/x/tools v0.49.0 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20260706201446-f0a921348800 // indirect
-	gopkg.in/warnings.v0 v0.1.2 // indirect
 	modernc.org/libc v1.75.7 // indirect
 	modernc.org/mathutil v1.7.1 // indirect
 	modernc.org/memory v1.12.1 // indirect