vpm: add 'vpm upgrade' to update all the outdated vpm modules (#6157)

cmd/tools/vpm.v

@@ -9,7 +9,7 @@ import v.vmod
 
 const (
 	default_vpm_server_urls      = ['https://vpm.vlang.io']
-	valid_vpm_commands           = ['help', 'search', 'install', 'update', 'outdated', 'list', 'remove']
+	valid_vpm_commands           = ['help', 'search', 'install', 'update', 'upgrade', 'outdated', 'list', 'remove']
 	excluded_dirs                = ['cache', 'vlib']
 	supported_vcs_systems        = ['git', 'hg']
 	supported_vcs_folders        = ['.git', '.hg']
@@ -76,6 +76,9 @@ fn main() {
 		'update' {
 			vpm_update(module_names)
 		}
+		'upgrade' {
+			vpm_upgrade()
+		}
 		'outdated' {
 			vpm_outdated()
 		}
@@ -239,9 +242,8 @@ fn vpm_update(m []string) {
 	}
 }
 
-fn vpm_outdated() {
+fn get_outdated() ?[]string {
 	module_names := get_installed_modules()
-	mut errors := 0
 	mut outdated := []string{}
 	for name in module_names {
 		final_module_path := valid_final_path_of_existing_module(name) or {
@@ -260,11 +262,9 @@ fn vpm_outdated() {
 		mut outputs := []string{}
 		for step in vcs_cmd_steps {
 			res := os.exec(step) or {
-				errors++
-				println('Error while checking latest commits for "$name".')
 				verbose_println('Error command: git fetch')
 				verbose_println('Error details:\n$err')
-				continue
+				return error('Error while checking latest commits for "$name".')
 			}
 			outputs << res.output
 		}
@@ -272,6 +272,20 @@ fn vpm_outdated() {
 			outdated << name
 		}
 	}
+	return outdated
+}
+
+fn vpm_upgrade() {
+	outdated := get_outdated() or { exit(1) }
+	if outdated.len > 0 {
+		vpm_update(outdated)
+	} else {
+		println('Modules are up to date.')
+	}
+}
+
+fn vpm_outdated() {
+	outdated := get_outdated() or { exit(1) }
 	if outdated.len > 0 {
 		println('Outdated modules:')
 		for m in outdated {
@@ -280,9 +294,6 @@ fn vpm_outdated() {
 	} else {
 		println('Modules are up to date.')
 	}
-	if errors > 0 {
-		exit(1)
-	}
 }
 
 fn vpm_list() {

cmd/v/help/default.txt

@@ -31,6 +31,7 @@ V supports the following commands:
    remove            Remove a module that was installed from VPM.
    search            Search for a module from VPM.
    update            Update an installed module from VPM.
+   upgrade           Upgrade all the outdated modules.
    list              List all installed modules.
    outdated          Show installed modules that need updates.
 * Others:

cmd/v/v.v

@@ -70,7 +70,7 @@ fn main() {
 			println('Translating C to V will be available in V 0.3')
 			return
 		}
-		'search', 'install', 'update', 'outdated', 'list', 'remove' {
+		'search', 'install', 'update', 'upgrade', 'outdated', 'list', 'remove' {
 			util.launch_tool(prefs.is_verbose, 'vpm', os.args[1..])
 			return
 		}