From aa3a70d6843cf8ddafd4a5bff771f9c515283f4e Mon Sep 17 00:00:00 2001
From: Kenshi Muto <kmuto@hatena.ne.jp>
Date: Sun, 5 Nov 2023 12:35:12 +0900
Subject: [PATCH] pass version

---
 .goreleaser.yaml                           | 2 ++
 checkmackerelmetric/checkmackerelmetric.go | 7 +++++++
 2 files changed, 9 insertions(+)

diff --git a/.goreleaser.yaml b/.goreleaser.yaml
index a7e46dc..d8def86 100644
--- a/.goreleaser.yaml
+++ b/.goreleaser.yaml
@@ -16,6 +16,8 @@ builds:
       - arm64
     ldflags:
       - -s -w
+      - -X main.version={{ .Version }}
+      - -X main.revision={{ .ShortCommit }}
 
 archives:
   - format: zip
diff --git a/checkmackerelmetric/checkmackerelmetric.go b/checkmackerelmetric/checkmackerelmetric.go
index 93e523b..3bb60c8 100644
--- a/checkmackerelmetric/checkmackerelmetric.go
+++ b/checkmackerelmetric/checkmackerelmetric.go
@@ -21,6 +21,13 @@ type mackerelMetricOpts struct {
 	Critical uint   `arg:"-c,--critical,required" help:"minute to be CRITICAL (MINUTE: 1-1441)" placeholder:"MINUTE"`
 }
 
+var version string
+var revision string
+
+func (mackerelMetricOpts) Version() string {
+	return fmt.Sprintf("Version %s (rev.%s)", version, revision)
+}
+
 func Do() {
 	opts, err := parseArgs(os.Args[1:])
 	if err != nil {