mig version

.github/workflows/release.yml

@@ -17,11 +17,16 @@ jobs:
             goos: windows
     steps:
     - uses: actions/checkout@v3
+    - name: Set BUILD_TIME
+      run: echo BUILD_TIME=$(date +"%Y-%m-%dT%H:%M:%S%z") >> ${GITHUB_ENV}
+    - name: Set MIG_VERSION
+      run: echo MIG_VERSION=$(cat version.txt) >> ${GITHUB_ENV}
     - uses: wangyoucao577/[email protected]
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}
         goos: ${{ matrix.goos }}
         goarch: ${{ matrix.goarch }}
         goversion: "1.19"
         binary_name: "mig"
-        md5sum: false
+        md5sum: false
+        ldflags: -s -w -X "github.com/tlhunter/mig/commands.Version=${{ env.MIG_VERSION }}" -X "github.com/tlhunter/mig/commands.BuildTime=${{ env.BUILD_TIME }}"

Makefile

@@ -1,10 +1,8 @@
 MIG_VERSION = $(shell cat version.txt)
+BUILD_TIME = $(shell date +"%Y-%m-%dT%H:%M:%S%z")
 
 # Strip debug info
-GO_FLAGS += "-ldflags=-s -w"
-
-# Avoid embedding the build path in the executable for more reproducible builds
-GO_FLAGS += -trimpath
+GO_FLAGS += "-ldflags=-s -w -X 'github.com/tlhunter/mig/commands.Version=$(MIG_VERSION)' -X 'github.com/tlhunter/mig/commands.BuildTime=$(BUILD_TIME)'"
 
 build:
 	go build $(GO_FLAGS) -o mig

README.md

@@ -73,6 +73,9 @@ MIG_MIGRATIONS="./db" mig
 # create the necessary migration tables
 mig init
 
+# get version information
+mig version
+
 # list all migrations
 mig list
 
@@ -156,4 +159,15 @@ DROP TABLE accounts;
 --END MIGRATION DOWN--
 ```
 
-Transactions should only be disabled when a situation calls for it, like when using `CREATE INDEX CONCURRENTLY`. When in doubt, leave transactions enabled.
+Transactions should only be disabled when a situation calls for it, like when using `CREATE INDEX CONCURRENTLY`. When in doubt, leave transactions enabled.
+
+
+## Development
+
+Checkout the project then run the following commands to install dependencies, build, and run the program:
+
+```sh
+go get
+make
+./mig version
+```

commands/dispatch.go

@@ -50,6 +50,9 @@ func Dispatch(cfg config.MigConfig) {
 	case "all":
 		CommandAll(cfg)
 
+	case "version":
+		CommandVersion(cfg)
+
 	default:
 		color.White("unsupported command %s", os.Args[1])
 		os.Exit(10)

commands/version.go

@@ -0,0 +1,16 @@
+package commands
+
+import (
+	"github.com/fatih/color"
+	"github.com/tlhunter/mig/config"
+)
+
+var Version string   // set at compile time
+var BuildTime string // set at compile time
+
+func CommandVersion(cfg config.MigConfig) error {
+	color.Green("mig version: " + Version)
+	color.White("build time:  " + BuildTime)
+
+	return nil
+}

go.mod

@@ -3,9 +3,12 @@ module github.com/tlhunter/mig
 go 1.19
 
 require (
-	github.com/fatih/color v1.13.0 // indirect
-	github.com/joho/godotenv v1.4.0 // indirect
-	github.com/lib/pq v1.10.7 // indirect
+	github.com/fatih/color v1.13.0
+	github.com/joho/godotenv v1.4.0
+	github.com/lib/pq v1.10.7
+)
+
+require (
 	github.com/mattn/go-colorable v0.1.9 // indirect
 	github.com/mattn/go-isatty v0.0.14 // indirect
 	golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c // indirect

main.go

@@ -3,6 +3,7 @@ package main
 import (
 	"os"
 
+	"github.com/fatih/color"
 	"github.com/tlhunter/mig/commands"
 	"github.com/tlhunter/mig/config"
 )
@@ -11,7 +12,7 @@ func main() {
 	cfg, err := config.GetConfig()
 
 	if err != nil {
-		os.Stderr.WriteString("unable to parse configuration\n")
+		color.Red("unable to parse configuration\n")
 		os.Stderr.WriteString(err.Error() + "\n")
 		os.Exit(1)
 	}

version.txt

@@ -1 +1 @@
-0.1.0
+0.1.1