tools: use expansion character/string to format home paths in vpm out…

…put (vlang#19847)

cmd/tools/vpm/common.v

@@ -16,11 +16,12 @@ mut:
 	url  string
 	vcs  string
 	// Fields based on preference / environment.
-	version           string // specifies the requested version.
-	install_path      string
-	is_installed      bool
-	is_external       bool
-	installed_version string
+	version            string // specifies the requested version.
+	install_path       string
+	install_path_fmted string
+	is_installed       bool
+	is_external        bool
+	installed_version  string
 }
 
 struct ModuleVpmInfo {
@@ -44,6 +45,8 @@ struct ErrorOptions {
 	verbose bool // is used to only output the error message if the verbose setting is enabled.
 }
 
+const home_dir = os.home_dir()
+
 fn parse_query(query []string) ([]Module, []Module) {
 	mut vpm_modules, mut external_modules := []Module{}, []Module{}
 	mut errors := 0
@@ -64,6 +67,7 @@ fn parse_query(query []string) ([]Module, []Module) {
 				name: name
 				url: ident
 				install_path: install_path
+				install_path_fmted: fmt_mod_path(install_path)
 				is_external: true
 			}
 		} else {
@@ -74,11 +78,13 @@ fn parse_query(query []string) ([]Module, []Module) {
 			}
 			name_normalized := info.name.replace('-', '_').to_lower()
 			name_as_path := name_normalized.replace('.', os.path_separator)
+			install_path := os.real_path(os.join_path(settings.vmodules_path, name_as_path))
 			Module{
 				name: info.name
 				url: info.url
 				vcs: info.vcs
-				install_path: os.real_path(os.join_path(settings.vmodules_path, name_as_path))
+				install_path: install_path
+				install_path_fmted: fmt_mod_path(install_path)
 			}
 		}
 		mod.version = version
@@ -414,3 +420,15 @@ fn vpm_error(msg string, opts ErrorOptions) {
 		}
 	}
 }
+
+// Formatted version of the vmodules install path. E.g. `/home/user/.vmodules` -> `~/.vmodules`
+fn fmt_mod_path(path string) string {
+	if !path.contains(home_dir) {
+		return path
+	}
+	return $if windows {
+		path.replace(home_dir, '%USERPROFILE%')
+	} $else {
+		path.replace(home_dir, '~')
+	}
+}

cmd/tools/vpm/install.v

@@ -157,7 +157,7 @@ fn vpm_install_from_vcs(modules []Module) {
 		final_path := os.real_path(os.join_path(settings.vmodules_path, manifest.name.replace('-',
 			'_').to_lower()))
 		if m.install_path != final_path {
-			verbose_println('Relocating `${m.name} (${m.install_path})` to `${manifest.name} (${final_path})`...')
+			verbose_println('Relocating `${m.name} (${m.install_path_fmted})` to `${manifest.name} (${final_path})`...')
 			if os.exists(final_path) {
 				println('Target directory for `${m.name} (${final_path})` already exists.')
 				input := os.input('Replace it with the module directory? [Y/n]: ')
@@ -234,7 +234,7 @@ fn (m Module) install(vcs &VCS) InstallResult {
 	cmd := '${vcs.cmd} ${install_arg} "${m.url}" "${m.install_path}"'
 	vpm_log(@FILE_LINE, @FN, 'command: ${cmd}')
 	println('Installing `${m.name}`...')
-	verbose_println('  cloning from `${m.url}` to `${m.install_path}`')
+	verbose_println('  cloning from `${m.url}` to `${m.install_path_fmted}`')
 	res := os.execute_opt(cmd) or {
 		vpm_error('failed to install `${m.name}`.', details: err.msg())
 		return .failed
@@ -249,7 +249,7 @@ fn (m Module) confirm_install() bool {
 		return false
 	} else {
 		install_version := at_version(if m.version == '' { 'latest' } else { m.version })
-		println('Module `${m.name}${at_version(m.installed_version)}` is already installed at `${m.install_path}`.')
+		println('Module `${m.name}${at_version(m.installed_version)}` is already installed at `${m.install_path_fmted}`.')
 		input := os.input('Replace it with `${m.name}${install_version}`? [Y/n]: ')
 		match input.to_lower() {
 			'', 'y' {
@@ -264,7 +264,7 @@ fn (m Module) confirm_install() bool {
 }
 
 fn (m Module) remove() ! {
-	verbose_println('Removing `${m.name}` from `${m.install_path}`...')
+	verbose_println('Removing `${m.name}` from `${m.install_path_fmted}`...')
 	$if windows {
 		os.execute_opt('rd /s /q ${m.install_path}')!
 	} $else {

cmd/tools/vpm/update.v

@@ -40,7 +40,7 @@ fn update_module(mut pp pool.PoolProcessor, idx int, wid int) &ModUpdateInfo {
 	}
 	name := get_name_from_url(result.name) or { result.name }
 	result.final_path = get_path_of_existing_module(result.name) or { return result }
-	println('Updating module `${name}` in `${result.final_path}` ...')
+	println('Updating module `${name}` in `${fmt_mod_path(result.final_path)}` ...')
 	vcs := vcs_used_in_dir(result.final_path) or { return result }
 	vcs.is_executable() or {
 		result.has_err = true
@@ -67,7 +67,7 @@ fn vpm_update_verbose(modules []string) {
 	for mod in modules {
 		name := get_name_from_url(mod) or { mod }
 		install_path := get_path_of_existing_module(mod) or { continue }
-		println('Updating module `${name}` in `${install_path}` ...')
+		println('Updating module `${name}` in `${fmt_mod_path(install_path)}` ...')
 		vcs := vcs_used_in_dir(install_path) or { continue }
 		vcs.is_executable() or {
 			errors++