From 086db00b7a675074e1201f914aa4e8289f1bb384 Mon Sep 17 00:00:00 2001
From: Gregory Shilin <gshilin@redhat.com>
Date: Wed, 16 Nov 2022 17:41:55 +0200
Subject: [PATCH] Autogenerate Version=<git revision>-<build time> (#36)

---
 .github/workflows/publish-release.yaml |  2 +-
 Makefile                               | 14 +++++++++++---
 cmd/ocm-support/version/cmd.go         |  2 +-
 pkg/info/info.go                       |  2 ++
 4 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/publish-release.yaml b/.github/workflows/publish-release.yaml
index d27a1cb..64fc917 100644
--- a/.github/workflows/publish-release.yaml
+++ b/.github/workflows/publish-release.yaml
@@ -134,4 +134,4 @@ jobs:
                         f"/repos/{repository}/releases/{release}/assets?name={asset}"
                     ),
                 )
-                response.raise_for_status()
\ No newline at end of file
+                response.raise_for_status()
diff --git a/Makefile b/Makefile
index 8cccdce..73cad5e 100644
--- a/Makefile
+++ b/Makefile
@@ -3,18 +3,26 @@ OUTPUT_DIR :=_output
 # Constants
 GOPATH := $(shell go env GOPATH)
 
+# Version
+revision:=$(shell git rev-parse --short HEAD)
+build_time:=$(shell date +%D@%T)
+version_stamp:=$(revision)-$(build_time)
+# Set the linker flags so that the version will be included in the binaries:
+import_path:=github.com/openshift-online/ocm-support-cli
+ldflags:=-X $(import_path)/pkg/info.VersionStamp=$(version_stamp)
+
 build: clean
-	go build -o ocm-support ./cmd/ocm-support || exit 1
+	go build -o ocm-support -ldflags="$(ldflags)" ./cmd/ocm-support || exit 1
 
 install: clean
-	go build -o $(GOPATH)/bin/ocm-support ./cmd/ocm-support || exit 1
+	go build -o $(GOPATH)/bin/ocm-support -ldflags="$(ldflags)" ./cmd/ocm-support || exit 1
 
 clean:
 	rm -f ocm-support
 
 cmds:
 	for cmd in $$(ls cmd); do \
-		go build "./cmd/$${cmd}" || exit 1; \
+		go build -ldflags="$(ldflags)" "./cmd/$${cmd}" || exit 1; \
 	done
 
 ensureOCM:
diff --git a/cmd/ocm-support/version/cmd.go b/cmd/ocm-support/version/cmd.go
index 7fc0c2c..7637094 100644
--- a/cmd/ocm-support/version/cmd.go
+++ b/cmd/ocm-support/version/cmd.go
@@ -18,5 +18,5 @@ var Cmd = &cobra.Command{
 }
 
 func run(cmd *cobra.Command, argv []string) {
-	_, _ = fmt.Fprintf(os.Stdout, "%s\n", info.Version)
+	_, _ = fmt.Fprintf(os.Stdout, "%s (build %s)\n", info.Version, info.VersionStamp)
 }
diff --git a/pkg/info/info.go b/pkg/info/info.go
index 9207329..578a7fb 100644
--- a/pkg/info/info.go
+++ b/pkg/info/info.go
@@ -4,3 +4,5 @@ package info
 
 // Version of the ocm-support-cli
 const Version = "0.1.0"
+
+var VersionStamp string