add metadata prefooter

Taskfile.yml

@@ -4,6 +4,15 @@ env:
   CGO_ENABLED: 0
   GOBIN: "{{.USER_WORKING_DIR}}/bin"
   PROJECT: "git.loyso.art/frx/kurious"
+vars:
+  GIT_COMMIT:
+    sh: git log -n 1 --format=%h
+  GIT_VERSION:
+    sh: git tag | sort -r --version-sort | head -n1
+  BUILD_TIME:
+    sh: TZ=UTC date --iso-8601=seconds
+  LDFLAGS:
+    sh: echo '-X "{{.PROJECT}}.buildTime={{.BUILD_TIME}}" -X "{{.PROJECT}}.commit={{.GIT_COMMIT}}" -X "{{.PROJECT}}.version={{.GIT_VERSION}}"'
 
 tasks:
   install_tools:
@@ -17,4 +26,9 @@ tasks:
       - go test --count=1 ./internal/...
   build:
     cmds:
-      - go build -o $GOBIN/sravnicli -v -ldflags "-X '$PROJECT.version=ohwell'" cmd/dev/sravnicli/main.go 
+      - go build -o $GOBIN/sravnicli -v -ldflags '{{.LDFLAGS}}' cmd/dev/sravnicli/main.go 
+    deps: [check, test]
+  run:
+    deps: [build]
+    cmds:
+      - $GOBIN/sravnicli