build: Add building

Signed-off-by: Tim Hårek Andreassen <tim@harek.no>

.build.yml

@@ -0,0 +1,29 @@
+image: alpine/edge
+packages:
+    - go
+    - just
+    - hut
+sources:
+    - git@git.sr.ht:~timharek/yr
+triggers:
+    - action: email
+      condition: failure
+      to: Tim Hårek Andreassen <tim@harek.no>
+tasks:
+    - setup: |
+        echo 'cd yr' >> ~/.buildenv
+    - test: |
+        just test
+    - build: |
+        tag=$(git describe --exact-match 2>/dev/null || true)
+        if [ -z "$tag" ]; then
+            echo "Current commit is not a tag; not building anything"
+            exit 0
+        fi
+
+        version=$(echo "$tag" | tr -d 'v')
+
+        just build-release $tag $version darwin amd64
+        just build-release $tag $version darwin arm64
+        just build-release $tag $version linux amd64
+        just build-release $tag $version windows amd64

justfile

@@ -1,9 +1,8 @@
+builddir := "./build"
+
 default: 
  just --list
 
-build:
- echo "not implemented yet"
-
 dev +args='--help':
  go run main.go {{args}}
 
@@ -15,3 +14,24 @@ tidy:
 
 vet:
  go vet ./...
+
+clean:
+ rm -f build/*
+ rm -rf yr-*
+ rm -f yr-*.tar.gz
+
+build:
+ go build -o {{builddir}}/
+
+build-release tag version os arch:
+ GOOS="{{os}}" GOARCH="{{arch}}" just build
+
+ mkdir -p yr-{{version}}
+ cp {{builddir}}/yr yr-{{version}}/
+ 
+ if [ {{os}} = windows ]; then \
+  mv yr-{{version}}/yr{,.exe}; \
+ fi 
+ 
+ tar czf yr-{{version}}-{{os}}-{{arch}}.tar.gz yr-{{version}}
+ hut git artifact upload --rev {{tag}} yr-{{version}}-{{os}}-{{arch}}.tar.gz