From ec3f06337085a75ce05c58360929119fa9d9c282 Mon Sep 17 00:00:00 2001
From: Thomas Biesaart <thomas.biesaart@protonmail.com>
Date: Sat, 23 Apr 2022 09:13:40 +0200
Subject: [PATCH 1/5] Add --version flag

---
 cmd/git-backup/main.go | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/cmd/git-backup/main.go b/cmd/git-backup/main.go
index 037147e..7130ba4 100644
--- a/cmd/git-backup/main.go
+++ b/cmd/git-backup/main.go
@@ -6,6 +6,7 @@ import (
 	"log"
 	"os"
 	"path/filepath"
+	"runtime"
 	"time"
 )
 
@@ -13,10 +14,21 @@ var configFilePath = flag.String("config.file", "git-backup.yml", "The path to y
 var targetPath = flag.String("backup.path", "backup", "The target path to the backup folder.")
 var failAtEnd = flag.Bool("backup.fail-at-end", false, "Fail at the end of backing up repositories, rather than right away.")
 var bareClone = flag.Bool("backup.bare-clone", false, "Make bare clones without checking out the main branch.")
+var printVersion = flag.Bool("version", false, "Show the version number and exit.")
+
+var Version = "dev"
+var CommitHash = "n/a"
+var BuildTimestamp = "n/a"
 
 func main() {
 	flag.Parse()
 
+	if *printVersion {
+		log.Printf("git-backup, version %s (%s-%s)", Version, runtime.GOOS, runtime.GOARCH)
+		log.Printf("Built %s (%s)", CommitHash, BuildTimestamp)
+		os.Exit(0)
+	}
+
 	config := loadConfig()
 	sources := config.GetSources()
 	if len(sources) == 0 {

From ce921b91079755a6673ae5381151d9cbedb6101a Mon Sep 17 00:00:00 2001
From: Thomas Biesaart <thomas.biesaart@protonmail.com>
Date: Sat, 23 Apr 2022 09:18:24 +0200
Subject: [PATCH 2/5] Add build time parameters

---
 .github/workflows/build.yml | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a79df29..da475c9 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -42,7 +42,15 @@ jobs:
       - uses: actions/setup-go@v2
         with:
           go-version: '^1.17.8'
-      - run: ${{ matrix.goopts }} go build -o ${{ matrix.filename }} ./cmd/git-backup
+      - run: > 
+          ${{ matrix.goopts }} go build 
+              -o ${{ matrix.filename }} 
+              ./cmd/git-backup 
+              -ldflags="
+                 -X 'main.Version=${GITHUB_REF##*/}'
+                 -X 'main.CommitHash=${GITHUB_SHA}'
+                 -X 'main.BuildTimestamp=$(date)'
+              "
         env:
           GOOS: ${{ matrix.goos }}
           GOARCH: ${{ matrix.goarch }}

From a322e338ff1ce1cbc40163c6d1ebb64314046811 Mon Sep 17 00:00:00 2001
From: Thomas Biesaart <thomas.biesaart@protonmail.com>
Date: Sat, 23 Apr 2022 09:20:40 +0200
Subject: [PATCH 3/5] All options on one line

---
 .github/workflows/build.yml | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index da475c9..ab952c6 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -42,15 +42,7 @@ jobs:
       - uses: actions/setup-go@v2
         with:
           go-version: '^1.17.8'
-      - run: > 
-          ${{ matrix.goopts }} go build 
-              -o ${{ matrix.filename }} 
-              ./cmd/git-backup 
-              -ldflags="
-                 -X 'main.Version=${GITHUB_REF##*/}'
-                 -X 'main.CommitHash=${GITHUB_SHA}'
-                 -X 'main.BuildTimestamp=$(date)'
-              "
+      - run: ${{ matrix.goopts }} go build -o ${{ matrix.filename }} ./cmd/git-backup -ldflags="-X 'main.Version=${GITHUB_REF##*/}' -X 'main.CommitHash=${GITHUB_SHA}' -X 'main.BuildTimestamp=$(date)'"
         env:
           GOOS: ${{ matrix.goos }}
           GOARCH: ${{ matrix.goarch }}

From 4b190ac17aacb84f3c30f0f3d8ebefc05c3712bb Mon Sep 17 00:00:00 2001
From: Thomas Biesaart <thomas.biesaart@protonmail.com>
Date: Sat, 23 Apr 2022 09:22:08 +0200
Subject: [PATCH 4/5] Reorder build args

---
 .github/workflows/build.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ab952c6..c5c6070 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -42,7 +42,7 @@ jobs:
       - uses: actions/setup-go@v2
         with:
           go-version: '^1.17.8'
-      - run: ${{ matrix.goopts }} go build -o ${{ matrix.filename }} ./cmd/git-backup -ldflags="-X 'main.Version=${GITHUB_REF##*/}' -X 'main.CommitHash=${GITHUB_SHA}' -X 'main.BuildTimestamp=$(date)'"
+      - run: ${{ matrix.goopts }} go build -o ${{ matrix.filename }} -ldflags="-X 'main.Version=${GITHUB_REF##*/}' -X 'main.CommitHash=${GITHUB_SHA}' -X 'main.BuildTimestamp=$(date)'" ./cmd/git-backup
         env:
           GOOS: ${{ matrix.goos }}
           GOARCH: ${{ matrix.goarch }}

From 6d1c114c803871470b3c2066987df7c0189943e6 Mon Sep 17 00:00:00 2001
From: Thomas Biesaart <thomas.biesaart@protonmail.com>
Date: Sat, 23 Apr 2022 09:27:43 +0200
Subject: [PATCH 5/5] Document version flag

---
 README.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 0870214..ce4eab7 100644
--- a/README.md
+++ b/README.md
@@ -79,7 +79,9 @@ Options:
   -backup.fail-at-end
       Fail at the end of backing up repositories, rather than right away.
   -backup.bare-clone
-        Make bare clones without checking out the main branch.
+      Make bare clones without checking out the main branch.
+  -version
+      Show the version number and exit.
 ```
 
 ## Usage: Docker