.github: create simple build workflow

While we do not have automated tests yet, we should at minimum be
checking that the git-bundle-server executable compiles as we make
changes.

Author: derrickstolee

.github/workflows/main.yml

@@ -0,0 +1,29 @@
+name: CI
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Setup Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: '1.19.0'
+
+      - uses: actions/checkout@v2
+        with:
+          path: src/git-bundle-server
+
+      - name: Build
+        run: |
+          cd $GITHUB_WORKSPACE/src/git-bundle-server
+          GOPATH="$GITHUB_WORKSPACE/../../" go build ./cmd/git-bundle-server
+
+      - name: Check style
+        run: |
+          cd $GITHUB_WORKSPACE/src/git-bundle-server
+          GOPATH="$GITHUB_WORKSPACE/../../" go vet ./cmd/git-bundle-server
+
+      # TODO: add automated tests.

cmd/git-bundle-server/go.mod

@@ -0,0 +1,3 @@
+module github.com/github/git-bundle-server/cmd/git-bundle-server
+
+go 1.19

cmd/git-bundle-server/init.go

@@ -3,9 +3,10 @@ package main
 import (
 	"errors"
 	"fmt"
-	"git-bundle-server/internal/bundles"
-	"git-bundle-server/internal/core"
-	"git-bundle-server/internal/git"
+
+	"github.com/github/git-bundle-server/internal/bundles"
+	"github.com/github/git-bundle-server/internal/core"
+	"github.com/github/git-bundle-server/internal/git"
 )
 
 type Init struct{}

cmd/git-bundle-server/update-all.go

@@ -2,9 +2,10 @@ package main
 
 import (
 	"fmt"
-	"git-bundle-server/internal/core"
 	"os"
 	"os/exec"
+
+	"github.com/github/git-bundle-server/internal/core"
 )
 
 type UpdateAll struct{}

cmd/git-bundle-server/update.go

@@ -3,8 +3,9 @@ package main
 import (
 	"errors"
 	"fmt"
-	"git-bundle-server/internal/bundles"
-	"git-bundle-server/internal/core"
+
+	"github.com/github/git-bundle-server/internal/bundles"
+	"github.com/github/git-bundle-server/internal/core"
 )
 
 type Update struct{}

doc.go

@@ -0,0 +1 @@
+package docs

go.mod

@@ -1,3 +1,8 @@
-module git-bundle-server
+module github.com/github/git-bundle-server
 
-go 1.18
+go 1.19
+
+require (
+	golang.org/x/lint v0.0.0-20210508222113-6edffad5e616 // indirect
+	golang.org/x/tools v0.1.12 // indirect
+)

go.work

@@ -0,0 +1,8 @@
+go 1.18
+
+use (
+	./cmd/git-bundle-server/
+	./internal/bundles/
+	./internal/core/
+	./internal/git/
+)

internal/bundles/bundles.go

@@ -4,13 +4,14 @@ import (
 	"bufio"
 	"encoding/json"
 	"fmt"
-	"git-bundle-server/internal/core"
-	"git-bundle-server/internal/git"
 	"os"
 	"sort"
 	"strconv"
 	"strings"
 	"time"
+
+	"github.com/github/git-bundle-server/internal/core"
+	"github.com/github/git-bundle-server/internal/git"
 )
 
 type BundleHeader struct {

internal/bundles/go.mod

@@ -1,3 +1,3 @@
 module github.com/github/git-bundle-server/internal/bundles
 
-go 1.18
+go 1.19