Rewrite symlink generator with go

.gitignore

@@ -8,3 +8,4 @@
 .config/fish/config.fish
 
 dist/
+tmp/

Makefile.toml

@@ -35,13 +35,18 @@ args = [
   './cmd/print-deps',
 ]
 
+[tasks.prepare-build]
+command = 'mkdir'
+args = ['-p', 'dist']
+
 [tasks.test-race]
+dependencies = ['prepare-build']
 command = 'go'
 args = [
   'build',
   '-v',
   '-race',
   '-o',
-  'dist/print-deps',
+  'dist',
   './...',
 ]

README.md

@@ -24,7 +24,7 @@ If you backed to 🚼 from some reasons, See [Wiki](https://github.com/kachick/d
 1. Install [nix-community/home-manager](https://github.com/nix-community/home-manager)
 1. Set `XDG_*` into current env. `. ./home/.bashrc`
 1. Make sure `$XDG_CONFIG_HOME/home-manager/home.nix` does not exists. If not, check the content and remove
-1. `./scripts/make_symlinks.bash`
+1. Run `go run ./cmd/mksym --linker path-from --linked path-to` if needed
 1. `home-manager switch`
 1. (optional) Install [jdxcode/rtx](https://github.com/jdxcode/rtx) to manage subdivided versions
 

cmd/mksym/main.go

@@ -0,0 +1,48 @@
+package main
+
+import (
+	"flag"
+	"log"
+	"os"
+	"path/filepath"
+)
+
+func main() {
+	linkerFlag := flag.String("linker", "", "path - from")
+	linkedFlag := flag.String("linked", "", "path - to")
+
+	flag.Parse()
+
+	linker := *linkerFlag
+	linked := *linkedFlag
+
+	if linker == "" || linked == "" {
+		flag.Usage()
+		log.Fatalln("empty path is given")
+	}
+
+	linked, err := filepath.Abs(linked)
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	_, err = os.Stat(linked)
+	if err != nil {
+		log.Fatalf("target does not exist, fix `linked` option - %v\n", err)
+	}
+	_, err = os.Stat(linker)
+	if err == nil || !os.IsNotExist(err) {
+		log.Fatalf("this script does not override existing symlinker files, fix `linker` option or manually remove the file - %v\n", err)
+	}
+
+	parent := filepath.Dir(linker)
+	err = os.MkdirAll(parent, 0755)
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	err = os.Symlink(linked, linker)
+	if err != nil {
+		log.Fatalln(err)
+	}
+}