Pre release

.gitignore

@@ -1,3 +1,4 @@
+*.backup
 .direnv/
 .env
 .vscode

.goreleaser.yml

@@ -3,9 +3,9 @@ project_name: cloudexec
 builds:
   - ldflags:
       - -s -w
-      - -X main.version={{.Version}}
-      - -X main.commit={{.FullCommit}}
-      - -X main.date={{.CommitDate}}
+      - -X main.Version={{.Version}}
+      - -X main.Commit={{.FullCommit}}
+      - -X main.Date={{.CommitDate}}
     env:
       - CGO_ENABLED=0
       - GOFLAGS=-mod=readonly -trimpath

Makefile

@@ -1,6 +1,14 @@
+SHELL=bash
+
+# Capture version, commit, and date
+GIT_COMMIT=$(shell git rev-list -1 HEAD)
+GIT_DATE=$(shell git log -1 --format=%cd --date=format:'%Y-%m-%d-%H:%M:%S')
+VERSION="$(shell cat VERSION | tr -d '\n\r')"
+
+# Build the Go app with ldflags
 build: 
 	@mkdir -p dist
-	@cd cmd/cloudexec && go build -o ../../dist/cloudexec
+	cd cmd/cloudexec && go build -ldflags "-X 'main.Version=$(VERSION)' -X 'main.Commit=$(GIT_COMMIT)' -X 'main.Date=$(GIT_DATE)'" -o ../../dist/cloudexec
 
 format:
 	trunk fmt
@@ -17,8 +25,16 @@ lint:
 	go fmt pkg/state/*.go
 	shellcheck cmd/cloudexec/user_data.sh.tmpl
 
-existing_installation=$(shell nix profile list | grep cloudexec | cut -d " " -f 1)
+# smuggles git info in the VERSION file to work around nix flake hermicity
 nix-install:
-	nix build
-	nix profile remove $(existing_installation)
+	@set -e; \
+	cp -f ./VERSION ./.VERSION.backup; \
+	trap 'mv -f ./.VERSION.backup ./VERSION' EXIT; \
+	echo "commit=$(GIT_COMMIT)" >> ./VERSION; \
+	echo "date=$(GIT_DATE)" >> ./VERSION; \
+	echo "nix build"; \
+	nix build; \
+	echo nix profile remove $(shell nix profile list | grep cloudexec | cut -d " " -f 1); \
+	nix profile remove $(shell nix profile list | grep cloudexec | cut -d " " -f 1); \
+	echo nix profile install ./result; \
 	nix profile install ./result

VERSION

@@ -0,0 +1 @@
+0.1.0

cmd/cloudexec/configure.go

@@ -121,8 +121,8 @@ func processOpValue(value string) (string, error) {
 		cmd.Stderr = &stderr
 		output, err := cmd.Output()
 		if err != nil {
-			fmt.Println(stderr.String())
-			return "", fmt.Errorf("Failed to process 1password reference for %s: %w", value, err)
+			// err says "exit status 1" so not very helpful, omit it from the following message
+			return "", fmt.Errorf("Failed to process 1password reference for %s: %s", value, stderr.String())
 		}
 		return strings.TrimSpace(string(output)), nil
 	}

cmd/cloudexec/main.go

@@ -15,11 +15,11 @@ import (
 )
 
 var (
-	version              = "dev"
-	commit               = "none"
-	date                 = "unknown"
-	configFilePath       = fmt.Sprintf("%s/.config/cloudexec/config.toml", os.Getenv("HOME"))
-	launchConfigFilePath = "./cloudexec.toml"
+	Version              = "dev"
+	Commit               = "none"
+	Date                 = "unknown"
+	ConfigFilePath       = fmt.Sprintf("%s/.config/cloudexec/config.toml", os.Getenv("HOME"))
+	LaunchConfigFilePath = "./cloudexec.toml"
 )
 
 func main() {
@@ -34,7 +34,7 @@ func main() {
 	dropletName := fmt.Sprintf("cloudexec-%v", username)
 
 	// Attempt to load the configuration
-	config, configErr := LoadConfig(configFilePath)
+	config, configErr := LoadConfig(ConfigFilePath)
 
 	app := &cli.App{
 		Name:  "cloudexec",
@@ -112,16 +112,16 @@ func main() {
 					}
 
 					// Check if a local cloudexec.toml exists
-					if _, err := os.Stat(launchConfigFilePath); os.IsNotExist(err) {
+					if _, err := os.Stat(LaunchConfigFilePath); os.IsNotExist(err) {
 						// Check if the path to a launch config is provided
 						if c.Args().Len() < 1 {
 							return fmt.Errorf("please provide a path to a cloudexec.toml file or create one in the current directory")
 						}
-						launchConfigFilePath = c.Args().Get(0)
+						LaunchConfigFilePath = c.Args().Get(0)
 					}
 
 					// Load the launch configuration
-					lc, err := LoadLaunchConfig(launchConfigFilePath)
+					lc, err := LoadLaunchConfig(LaunchConfigFilePath)
 					if err != nil {
 						return err
 					}
@@ -503,7 +503,7 @@ func main() {
 				Usage:   "Gets the version of the app",
 				Aliases: []string{"v"},
 				Action: func(*cli.Context) error {
-					fmt.Printf("cloudexec %s, commit %s, built at %s", version, commit, date)
+					fmt.Printf("cloudexec %s, commit %s, built at %s", Version, Commit, Date)
 					return nil
 				},
 			},

flake.nix

@@ -18,14 +18,30 @@
 
           default = cloudexec;
 
-          cloudexec = pkgs.buildGoModule {
+          cloudexec = let
+            version = let
+              result = builtins.match "([^\n]*).*" (builtins.readFile ./VERSION);
+            in if result != null then builtins.head result else "unknown";
+            gitCommit = let
+              result = builtins.match ".*commit=([^\n]*).*" (builtins.readFile ./VERSION);
+            in if result != null then builtins.head result else "unknown";
+            gitDate = let
+              result = builtins.match ".*date=([^\n]*).*" (builtins.readFile ./VERSION);
+            in if result != null then builtins.head result else "unknown";
+          in pkgs.buildGoModule {
             pname = "cloudexec";
-            version = "0.0.1"; # TBD
+            version = "${version}";
             src = ./.;
             vendorSha256 = "sha256-xiiMcjo+hRllttjYXB3F2Ms2gX43r7/qgwxr4THNhsk=";
             nativeBuildInputs = [
+              pkgs.git
               pkgs.go_1_20
             ];
+            ldflags = [
+              "-X main.Version=${version}"
+              "-X main.Commit=${gitCommit}"
+              "-X main.Date=${gitDate}"
+            ];
           };
 
           vscode = pkgs.vscode-with-extensions.override {