Fix status.json info

Author: fileformat

docker-run.sh

@@ -6,11 +6,14 @@ set -o errexit
 set -o pipefail
 set -o nounset
 
-docker build -t regexplanet-go .
+docker build \
+	--build-arg COMMIT=$(git rev-parse --short HEAD)-local \
+	--build-arg LASTMOD=$(date -u +%Y-%m-%dT%H:%M:%SZ) \
+	--tag regexplanet-go \
+	.
+
 docker run \
 	--publish 4000:4000 \
 	--expose 4000 \
 	--env PORT='4000' \
-	--env COMMIT=$(git rev-parse --short HEAD) \
-	--env LASTMOD=$(date -u +%Y-%m-%dT%H:%M:%SZ) \
 	regexplanet-go

main.go

@@ -57,15 +57,18 @@ type Status struct {
 	TempDir   string
 }
 
+var COMMIT string
+var LASTMOD string
+
 func status_handler(w http.ResponseWriter, r *http.Request) {
 	var err error
 	status := Status{}
 
 	status.Success = true
 	status.Message = "OK"
 	status.Timestamp = time.Now().UTC().Format(time.RFC3339)
-	status.Commit = os.Getenv("COMMIT")
-	status.Lastmod = os.Getenv("LASTMOD")
+	status.Commit = COMMIT
+	status.Lastmod = LASTMOD
 	status.Tech = runtime.Version()
 
 	status.Getwd, err = os.Getwd()
@@ -79,7 +82,7 @@ func status_handler(w http.ResponseWriter, r *http.Request) {
 	}
 
 	status.TempDir = os.TempDir()
-	status.Version = runtime.Version()
+	status.Version = runtime.Version()[2:] // remove "go" prefix
 	status.Seconds = time.Now().Unix()
 
 	write_with_callback(w, r.FormValue("callback"), status)