v symlink: extract to cmd/tools/vsymlink.v , use setx on windows

cmd/tools/vsymlink.v

@@ -0,0 +1,36 @@
+import os
+import v.pref
+
+fn main(){
+	vexe := pref.vexe_path()
+	$if windows {
+		vdir := os.real_path(os.dir(vexe))
+		res := os.system('setx /M PATH "$vdir;%PATH%"')
+		if res == 0 {
+			println('v has been prepended to the path')
+			exit(0)
+		}
+		exit(1)
+	}
+	//
+	mut link_path := '/usr/local/bin/v'
+	mut ret := os.exec('ln -sf $vexe $link_path') or {
+		panic(err)
+	}
+	if ret.exit_code == 0 {
+		println('Symlink "$link_path" has been created')
+	} else if os.system("uname -o | grep -q \'[A/a]ndroid\'") == 0 {
+		println('Failed to create symlink "$link_path". Trying again with Termux path for Android.')
+		link_path = '/data/data/com.termux/files/usr/bin/v'
+		ret = os.exec('ln -sf $vexe $link_path') or {
+			panic(err)
+		}
+		if ret.exit_code == 0 {
+			println('Symlink "$link_path" has been created')
+		} else {
+			println('Failed to create symlink "$link_path". Try again with sudo.')
+		}
+	} else {
+		println('Failed to create symlink "$link_path". Try again with sudo.')
+	}
+}

cmd/v/v.v

@@ -12,12 +12,14 @@ import v.util
 import v.builder
 
 const (
-	simple_cmd                          = ['fmt', 'up'
+	simple_cmd                          = [
-	'self', 'test'
+		'fmt', 'up',
-	'test-fmt', 'test-compiler', 'test-fixed', 'bin2v'
+		'self', 'symlink', 'bin2v',
-	'repl'
+		'test', 'test-fmt', 'test-compiler', 'test-fixed',
-	'build-tools'
+		'repl',
-	'build-examples', 'build-vbinaries', 'setup-freetype'
+		'build-tools', 'build-examples',
+		'build-vbinaries',
+		'setup-freetype'
 	]
 	list_of_flags_that_allow_duplicates = ['cc', 'd', 'define', 'cf', 'cflags']
 )
@@ -39,10 +41,10 @@ fn main_v() {
 	}
 	args_and_flags := util.join_env_vflags_and_os_args()[1..]
 	prefs, command := pref.parse_args(args_and_flags)
-	//if prefs.is_verbose {
+	// if prefs.is_verbose {
-		//println('command = "$command"')
+	// println('command = "$command"')
-		//println(util.full_v_version(prefs.is_verbose))
+	// println(util.full_v_version(prefs.is_verbose))
-	//}
+	// }
 	if args.len > 0 && (args[0] in ['version', '-V', '-version', '--version'] || (args[0] ==
 		'-v' && args.len == 1)) {
 		// `-v` flag is for setting verbosity, but without any args it prints the version, like Clang
@@ -86,16 +88,11 @@ fn main_v() {
 			println(util.full_v_version(prefs.is_verbose))
 			return
 		}
-		'symlink' {
-			create_symlink()
-			return
-		}
 		'doc' {
 			mut mod := ''
 			if args.len == 1 {
 				println('v doc [module]')
-			}
+			} else if args.len > 1 {
-			else if args.len > 1 {
 				mod = args[1]
 			}
 			table := table.new_table()
@@ -124,32 +121,3 @@ fn invoke_help_and_exit(remaining []string) {
 	println('For usage information, use `v help`.')
 	exit(1)
 }
-
-fn create_symlink() {
-	$if windows {
-		return
-	}
-	vexe := pref.vexe_path()
-	mut link_path := '/usr/local/bin/v'
-	mut ret := os.exec('ln -sf $vexe $link_path') or {
-		panic(err)
-	}
-	if ret.exit_code == 0 {
-		println('Symlink "$link_path" has been created')
-	} else if os.system("uname -o | grep -q \'[A/a]ndroid\'") == 0 {
-		println('Failed to create symlink "$link_path". Trying again with Termux path for Android.')
-		link_path = '/data/data/com.termux/files/usr/bin/v'
-		ret = os.exec('ln -sf $vexe $link_path') or {
-			panic(err)
-		}
-		if ret.exit_code == 0 {
-			println('Symlink "$link_path" has been created')
-		} else {
-			println('Failed to create symlink "$link_path". Try again with sudo.')
-		}
-	} else {
-		println('Failed to create symlink "$link_path". Try again with sudo.')
-	}
-}
-
-