Statically link Linux binary with musl

.github/workflows/main.yml

@@ -38,6 +38,9 @@ jobs:
   test-release:
     runs-on: ubuntu-latest
     steps:
+    - name: Install musl
+      run: |
+        sudo apt install -y musl-tools
     - name: Set up Go
       uses: actions/setup-go@v2
       with:
@@ -62,7 +65,7 @@ jobs:
     - name: Test release
       run: |
         # verify that version information is embedded correctly
-        ./dist/chezmoi-cgo_linux_amd64/chezmoi --version | tee /dev/stderr | grep -q "chezmoi version v"
+        file ./dist/chezmoi-cgo_linux_amd64/chezmoi | tee /dev/stderr | grep -q "statically linked"
         ./dist/chezmoi-cgo_linux_amd64/chezmoi --version | tee /dev/stderr | grep -q "chezmoi version v"
         ./dist/chezmoi-nocgo_linux_386/chezmoi --version | tee /dev/stderr | grep -q "chezmoi version v"
   generate:
@@ -103,6 +106,9 @@ jobs:
     - test-release
     runs-on: ubuntu-latest
     steps:
+    - name: Install musl
+      run: |
+        sudo apt install -y musl-tools
     - name: Set up Go
       uses: actions/setup-go@v2
       with:

.gitignore

@@ -1,5 +1,4 @@
 /bin/gofumports
 /bin/golangci-lint
-/chezmoi
-/chezmoi.exe
+/chezmoi*
 /dist

.goreleaser.yaml

@@ -8,11 +8,21 @@ builds:
 - id: chezmoi-cgo
   binary: chezmoi
   env:
+  - CC=/usr/bin/musl-gcc
   - CGO_ENABLED=1
   goos:
   - linux
   goarch:
   - amd64
+  ldflags:
+  - '-s'
+  - '-w'
+  - '-X main.version={{.Version}}'
+  - '-X main.commit={{.Commit}}'
+  - '-X main.date={{.Date}}'
+  - '-X main.builtBy=goreleaser'
+  - '-linkmode external'
+  - '--extldflags "-static"'
 - id: chezmoi-nocgo
   binary: chezmoi
   env: