mirror of
https://github.com/vlang/v.git
synced 2023-08-10 21:13:21 +03:00
803 lines
21 KiB
V
803 lines
21 KiB
V
// Copyright (c) 2019-2022 Alexander Medvednikov. All rights reserved.
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// Use of this source code is governed by an MIT license
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// that can be found in the LICENSE file.
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module main
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import os
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import rand
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import os.cmdline
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import net.http
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import net.urllib
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import json
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import vhelp
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import v.vmod
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const (
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default_vpm_server_urls = ['https://vpm.vlang.io', 'https://vpm.url4e.com']
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vpm_server_urls = rand.shuffle_clone(default_vpm_server_urls) or { [] } // ensure that all queries are distributed fairly
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valid_vpm_commands = ['help', 'search', 'install', 'update', 'upgrade', 'outdated',
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'list', 'remove', 'show']
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excluded_dirs = ['cache', 'vlib']
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supported_vcs_systems = ['git', 'hg']
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supported_vcs_folders = ['.git', '.hg']
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supported_vcs_update_cmds = {
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'git': 'git pull --recurse-submodules' // pulling with `--depth=1` leads to conflicts, when the upstream is more than 1 commit newer
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'hg': 'hg pull --update'
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}
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supported_vcs_install_cmds = {
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'git': 'git clone --depth=1 --recursive --shallow-submodules'
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'hg': 'hg clone'
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}
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supported_vcs_outdated_steps = {
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'git': ['git fetch', 'git rev-parse @', 'git rev-parse @{u}']
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'hg': ['hg incoming']
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}
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supported_vcs_version_cmds = {
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'git': 'git version'
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'hg': 'hg version'
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}
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)
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struct Mod {
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id int
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name string
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url string
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nr_downloads int
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vcs string
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}
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struct Vmod {
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mut:
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name string
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version string
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deps []string
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}
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enum Source {
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git
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hg
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vpm
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}
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fn main() {
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init_settings()
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// This tool is intended to be launched by the v frontend,
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// which provides the path to V inside os.getenv('VEXE')
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// args are: vpm [options] SUBCOMMAND module names
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params := cmdline.only_non_options(os.args[1..])
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options := cmdline.only_options(os.args[1..])
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verbose_println('cli params: $params')
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if params.len < 1 {
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vpm_help()
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exit(5)
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}
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vpm_command := params[0]
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mut module_names := params[1..]
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ensure_vmodules_dir_exist()
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// println('module names: ') println(module_names)
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match vpm_command {
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'help' {
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vpm_help()
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}
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'search' {
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vpm_search(module_names)
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}
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'install' {
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if module_names.len == 0 && os.exists('./v.mod') {
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println('Detected v.mod file inside the project directory. Using it...')
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manifest := vmod.from_file('./v.mod') or { panic(err) }
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module_names = manifest.dependencies.clone()
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}
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mut source := Source.vpm
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if module_names.all(it.starts_with('https://')) {
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source = Source.git
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}
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if '--once' in options {
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module_names = vpm_once_filter(module_names)
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if module_names.len == 0 {
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return
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}
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}
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if '--git' in options {
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source = Source.git
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}
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if '--hg' in options {
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source = Source.hg
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}
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vpm_install(module_names, source)
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}
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'update' {
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vpm_update(module_names)
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}
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'upgrade' {
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vpm_upgrade()
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}
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'outdated' {
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vpm_outdated()
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}
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'list' {
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vpm_list()
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}
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'remove' {
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vpm_remove(module_names)
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}
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'show' {
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vpm_show(module_names)
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}
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else {
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eprintln('Error: you tried to run "v $vpm_command"')
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eprintln('... but the v package management tool vpm only knows about these commands:')
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for validcmd in valid_vpm_commands {
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eprintln(' v $validcmd')
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}
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exit(3)
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}
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}
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}
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fn vpm_search(keywords []string) {
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search_keys := keywords.map(it.replace('_', '-'))
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if settings.is_help {
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vhelp.show_topic('search')
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exit(0)
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}
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if search_keys.len == 0 {
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eprintln('´v search´ requires *at least one* keyword.')
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exit(2)
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}
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modules := get_all_modules()
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installed_modules := get_installed_modules()
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joined := search_keys.join(', ')
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mut index := 0
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for mod in modules {
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for k in search_keys {
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if !mod.contains(k) {
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continue
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}
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if index == 0 {
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println('Search results for "$joined":\n')
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}
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index++
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mut parts := mod.split('.')
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// in case the author isn't present
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if parts.len == 1 {
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parts << parts[0]
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parts[0] = ' '
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} else {
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parts[0] = ' by ${parts[0]} '
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}
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installed := if mod in installed_modules { ' (installed)' } else { '' }
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println('${index}. ${parts[1]}${parts[0]}[$mod]$installed')
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break
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}
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}
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if index == 0 {
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vexe := os.getenv('VEXE')
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vroot := os.real_path(os.dir(vexe))
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mut messages := ['No module(s) found for `$joined` .']
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for vlibmod in search_keys {
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if os.is_dir(os.join_path(vroot, 'vlib', vlibmod)) {
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messages << 'There is already an existing "$vlibmod" module in vlib, so you can just `import $vlibmod` .'
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}
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}
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for m in messages {
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println(m)
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}
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} else {
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eprintln('\nUse "v install author_name.module_name" to install the module.')
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}
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}
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fn vpm_install_from_vpm(module_names []string) {
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mut errors := 0
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for n in module_names {
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name := n.trim_space().replace('_', '-')
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mod := get_module_meta_info(name) or {
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errors++
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eprintln('Errors while retrieving meta data for module $name:')
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eprintln(err)
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continue
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}
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mut vcs := mod.vcs
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if vcs == '' {
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vcs = supported_vcs_systems[0]
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}
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if vcs !in supported_vcs_systems {
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errors++
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eprintln('Skipping module "$name", since it uses an unsupported VCS {$vcs} .')
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continue
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}
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if !ensure_vcs_is_installed(vcs) {
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errors++
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eprintln('VPM needs `$vcs` to be installed.')
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continue
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}
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//
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minfo := mod_name_info(mod.name)
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if os.exists(minfo.final_module_path) {
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vpm_update([name])
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continue
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}
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println('Installing module "$name" from "$mod.url" to "$minfo.final_module_path" ...')
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vcs_install_cmd := supported_vcs_install_cmds[vcs]
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cmd := '$vcs_install_cmd "$mod.url" "$minfo.final_module_path"'
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verbose_println(' command: $cmd')
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cmdres := os.execute(cmd)
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if cmdres.exit_code != 0 {
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errors++
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eprintln('Failed installing module "$name" to "$minfo.final_module_path" .')
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print_failed_cmd(cmd, cmdres)
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continue
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}
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resolve_dependencies(name, minfo.final_module_path, module_names)
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}
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if errors > 0 {
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exit(1)
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}
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}
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fn print_failed_cmd(cmd string, cmdres os.Result) {
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verbose_println('Failed command: $cmd')
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verbose_println('Failed command output:\n$cmdres.output')
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}
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fn ensure_vcs_is_installed(vcs string) bool {
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mut res := true
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cmd := supported_vcs_version_cmds[vcs]
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cmdres := os.execute(cmd)
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if cmdres.exit_code != 0 {
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print_failed_cmd(cmd, cmdres)
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res = false
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}
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return res
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}
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fn vpm_install_from_vcs(module_names []string, vcs_key string) {
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mut errors := 0
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for n in module_names {
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url := n.trim_space()
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first_cut_pos := url.last_index('/') or {
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errors++
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eprintln('Errors while retrieving name for module "$url" :')
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eprintln(err)
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continue
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}
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mod_name := url.substr(first_cut_pos + 1, url.len)
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second_cut_pos := url.substr(0, first_cut_pos).last_index('/') or {
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errors++
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eprintln('Errors while retrieving name for module "$url" :')
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eprintln(err)
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continue
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}
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repo_name := url.substr(second_cut_pos + 1, first_cut_pos)
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mut name := os.join_path(repo_name, mod_name)
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mod_name_as_path := name.replace('-', '_').to_lower()
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mut final_module_path := os.real_path(os.join_path(settings.vmodules_path, mod_name_as_path))
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if os.exists(final_module_path) {
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vpm_update([name.replace('-', '_')])
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continue
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}
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if !ensure_vcs_is_installed(vcs_key) {
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errors++
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eprintln('VPM needs `$vcs_key` to be installed.')
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continue
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}
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println('Installing module "$name" from "$url" to "$final_module_path" ...')
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vcs_install_cmd := supported_vcs_install_cmds[vcs_key]
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cmd := '$vcs_install_cmd "$url" "$final_module_path"'
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verbose_println(' command: $cmd')
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cmdres := os.execute(cmd)
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if cmdres.exit_code != 0 {
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errors++
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eprintln('Failed installing module "$name" to "$final_module_path" .')
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print_failed_cmd(cmd, cmdres)
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continue
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}
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vmod_path := os.join_path(final_module_path, 'v.mod')
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if os.exists(vmod_path) {
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data := os.read_file(vmod_path) or { return }
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vmod := parse_vmod(data) or {
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eprintln(err)
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return
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}
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minfo := mod_name_info(vmod.name)
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println('Relocating module from "$name" to "$vmod.name" ( "$minfo.final_module_path" ) ...')
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if os.exists(minfo.final_module_path) {
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eprintln('Warning module "$minfo.final_module_path" already exsits!')
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eprintln('Removing module "$minfo.final_module_path" ...')
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os.rmdir_all(minfo.final_module_path) or {
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errors++
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println('Errors while removing "$minfo.final_module_path" :')
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println(err)
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continue
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}
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}
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os.mv(final_module_path, minfo.final_module_path) or {
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errors++
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eprintln('Errors while relocating module "$name" :')
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eprintln(err)
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os.rmdir_all(final_module_path) or {
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errors++
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eprintln('Errors while removing "$final_module_path" :')
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eprintln(err)
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continue
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}
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continue
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}
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println('Module "$name" relocated to "$vmod.name" successfully.')
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final_module_path = minfo.final_module_path
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name = vmod.name
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}
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resolve_dependencies(name, final_module_path, module_names)
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}
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if errors > 0 {
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exit(1)
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}
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}
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fn vpm_once_filter(module_names []string) []string {
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installed_modules := get_installed_modules()
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mut toinstall := []string{}
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for mn in module_names {
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if mn !in installed_modules {
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toinstall << mn
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}
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}
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return toinstall
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}
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fn vpm_install(module_names []string, source Source) {
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if settings.is_help {
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vhelp.show_topic('install')
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exit(0)
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}
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if module_names.len == 0 {
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eprintln('´v install´ requires *at least one* module name.')
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exit(2)
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}
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match source {
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.vpm {
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vpm_install_from_vpm(module_names)
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}
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.git {
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vpm_install_from_vcs(module_names, 'git')
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}
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.hg {
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vpm_install_from_vcs(module_names, 'hg')
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}
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}
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}
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fn vpm_update(m []string) {
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mut module_names := m.clone()
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if settings.is_help {
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vhelp.show_topic('update')
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exit(0)
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}
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if module_names.len == 0 {
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module_names = get_installed_modules()
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}
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mut errors := 0
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for modulename in module_names {
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zname := url_to_module_name(modulename)
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final_module_path := valid_final_path_of_existing_module(modulename) or { continue }
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os.chdir(final_module_path) or {}
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println('Updating module "$zname" in "$final_module_path" ...')
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vcs := vcs_used_in_dir(final_module_path) or { continue }
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if !ensure_vcs_is_installed(vcs[0]) {
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errors++
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println('VPM needs `$vcs` to be installed.')
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continue
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}
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vcs_cmd := supported_vcs_update_cmds[vcs[0]]
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verbose_println(' command: $vcs_cmd')
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vcs_res := os.execute('$vcs_cmd')
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if vcs_res.exit_code != 0 {
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errors++
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println('Failed updating module "$zname" in "$final_module_path" .')
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print_failed_cmd(vcs_cmd, vcs_res)
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continue
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} else {
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verbose_println(' $vcs_res.output.trim_space()')
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}
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resolve_dependencies(modulename, final_module_path, module_names)
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}
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if errors > 0 {
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exit(1)
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}
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}
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fn get_outdated() ?[]string {
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module_names := get_installed_modules()
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mut outdated := []string{}
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for name in module_names {
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final_module_path := valid_final_path_of_existing_module(name) or { continue }
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os.chdir(final_module_path) or {}
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vcs := vcs_used_in_dir(final_module_path) or { continue }
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vcs_cmd_steps := supported_vcs_outdated_steps[vcs[0]]
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mut outputs := []string{}
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for step in vcs_cmd_steps {
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res := os.execute(step)
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if res.exit_code < 0 {
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verbose_println('Error command: $step')
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verbose_println('Error details:\n$res.output')
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return error('Error while checking latest commits for "$name" .')
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}
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if vcs[0] == 'hg' {
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if res.exit_code == 1 {
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outdated << name
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}
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} else {
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outputs << res.output
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}
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}
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if vcs[0] == 'git' && outputs[1] != outputs[2] {
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outdated << name
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}
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}
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return outdated
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}
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fn vpm_upgrade() {
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outdated := get_outdated() or { exit(1) }
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if outdated.len > 0 {
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vpm_update(outdated)
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} else {
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println('Modules are up to date.')
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}
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}
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fn vpm_outdated() {
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outdated := get_outdated() or { exit(1) }
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if outdated.len > 0 {
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eprintln('Outdated modules:')
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for m in outdated {
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eprintln(' $m')
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}
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} else {
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println('Modules are up to date.')
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}
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}
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fn vpm_list() {
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module_names := get_installed_modules()
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if module_names.len == 0 {
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eprintln('You have no modules installed.')
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exit(0)
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}
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for mod in module_names {
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println(mod)
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}
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}
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fn vpm_remove(module_names []string) {
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if settings.is_help {
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vhelp.show_topic('remove')
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exit(0)
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}
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if module_names.len == 0 {
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eprintln('´v remove´ requires *at least one* module name.')
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exit(2)
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}
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for name in module_names {
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final_module_path := valid_final_path_of_existing_module(name) or { continue }
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eprintln('Removing module "$name" ...')
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verbose_println('removing folder $final_module_path')
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os.rmdir_all(final_module_path) or {
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verbose_println('error while removing "$final_module_path": $err.msg()')
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}
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// delete author directory if it is empty
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author := name.split('.')[0]
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author_dir := os.real_path(os.join_path(settings.vmodules_path, author))
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if !os.exists(author_dir) {
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continue
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}
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if os.is_dir_empty(author_dir) {
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verbose_println('removing author folder $author_dir')
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os.rmdir(author_dir) or {
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verbose_println('error while removing "$author_dir": $err.msg()')
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}
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}
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}
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}
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fn valid_final_path_of_existing_module(modulename string) ?string {
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name := if mod := get_mod_by_url(modulename) { mod.name } else { modulename }
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minfo := mod_name_info(name)
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if !os.exists(minfo.final_module_path) {
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eprintln('No module with name "$minfo.mname_normalised" exists at $minfo.final_module_path')
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return none
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}
|
||
if !os.is_dir(minfo.final_module_path) {
|
||
eprintln('Skipping "$minfo.final_module_path", since it is not a folder.')
|
||
return none
|
||
}
|
||
vcs_used_in_dir(minfo.final_module_path) or {
|
||
eprintln('Skipping "$minfo.final_module_path", since it does not use a supported vcs.')
|
||
return none
|
||
}
|
||
return minfo.final_module_path
|
||
}
|
||
|
||
fn ensure_vmodules_dir_exist() {
|
||
if !os.is_dir(settings.vmodules_path) {
|
||
println('Creating "$settings.vmodules_path/" ...')
|
||
os.mkdir(settings.vmodules_path) or { panic(err) }
|
||
}
|
||
}
|
||
|
||
fn vpm_help() {
|
||
vhelp.show_topic('vpm')
|
||
}
|
||
|
||
fn vcs_used_in_dir(dir string) ?[]string {
|
||
mut vcs := []string{}
|
||
for repo_subfolder in supported_vcs_folders {
|
||
checked_folder := os.real_path(os.join_path(dir, repo_subfolder))
|
||
if os.is_dir(checked_folder) {
|
||
vcs << repo_subfolder.replace('.', '')
|
||
}
|
||
}
|
||
if vcs.len == 0 {
|
||
return none
|
||
}
|
||
return vcs
|
||
}
|
||
|
||
fn get_installed_modules() []string {
|
||
dirs := os.ls(settings.vmodules_path) or { return [] }
|
||
mut modules := []string{}
|
||
for dir in dirs {
|
||
adir := os.join_path(settings.vmodules_path, dir)
|
||
if dir in excluded_dirs || !os.is_dir(adir) {
|
||
continue
|
||
}
|
||
if os.exists(os.join_path(adir, 'v.mod')) && os.exists(os.join_path(adir, '.git', 'config')) {
|
||
// an official vlang module with a short module name, like `vsl`, `ui` or `markdown`
|
||
modules << dir
|
||
continue
|
||
}
|
||
author := dir
|
||
mods := os.ls(adir) or { continue }
|
||
for m in mods {
|
||
vcs_used_in_dir(os.join_path(adir, m)) or { continue }
|
||
modules << '${author}.$m'
|
||
}
|
||
}
|
||
return modules
|
||
}
|
||
|
||
struct ModNameInfo {
|
||
mut:
|
||
mname string // The-user.The-mod , *never* The-user.The-mod.git
|
||
mname_normalised string // the_user.the_mod
|
||
mname_as_path string // the_user/the_mod
|
||
final_module_path string // ~/.vmodules/the_user/the_mod
|
||
}
|
||
|
||
fn mod_name_info(mod_name string) ModNameInfo {
|
||
mut info := ModNameInfo{}
|
||
info.mname = if mod_name.ends_with('.git') { mod_name.replace('.git', '') } else { mod_name }
|
||
info.mname_normalised = info.mname.replace('-', '_').to_lower()
|
||
info.mname_as_path = info.mname_normalised.replace('.', os.path_separator)
|
||
info.final_module_path = os.real_path(os.join_path(settings.vmodules_path, info.mname_as_path))
|
||
return info
|
||
}
|
||
|
||
fn url_to_module_name(modulename string) string {
|
||
mut res := if mod := get_mod_by_url(modulename) { mod.name } else { modulename }
|
||
if res.ends_with('.git') {
|
||
res = res.replace('.git', '')
|
||
}
|
||
return res
|
||
}
|
||
|
||
fn get_all_modules() []string {
|
||
url := get_working_server_url()
|
||
r := http.get(url) or { panic(err) }
|
||
if r.status_code != 200 {
|
||
eprintln('Failed to search vpm.vlang.io. Status code: $r.status_code')
|
||
exit(1)
|
||
}
|
||
s := r.body
|
||
mut read_len := 0
|
||
mut modules := []string{}
|
||
for read_len < s.len {
|
||
mut start_token := "<a href='/mod"
|
||
end_token := '</a>'
|
||
// get the start index of the module entry
|
||
mut start_index := s.index_after(start_token, read_len)
|
||
if start_index == -1 {
|
||
start_token = '<a href="/mod'
|
||
start_index = s.index_after(start_token, read_len)
|
||
if start_index == -1 {
|
||
break
|
||
}
|
||
}
|
||
// get the index of the end of anchor (a) opening tag
|
||
// we use the previous start_index to make sure we are getting a module and not just a random 'a' tag
|
||
start_token = '>'
|
||
start_index = s.index_after(start_token, start_index) + start_token.len
|
||
|
||
// get the index of the end of module entry
|
||
end_index := s.index_after(end_token, start_index)
|
||
if end_index == -1 {
|
||
break
|
||
}
|
||
modules << s[start_index..end_index]
|
||
read_len = end_index
|
||
if read_len >= s.len {
|
||
break
|
||
}
|
||
}
|
||
return modules
|
||
}
|
||
|
||
fn resolve_dependencies(name string, module_path string, module_names []string) {
|
||
vmod_path := os.join_path(module_path, 'v.mod')
|
||
if !os.exists(vmod_path) {
|
||
return
|
||
}
|
||
data := os.read_file(vmod_path) or { return }
|
||
vmod := parse_vmod(data) or {
|
||
eprintln(err)
|
||
return
|
||
}
|
||
mut deps := []string{}
|
||
// filter out dependencies that were already specified by the user
|
||
for d in vmod.deps {
|
||
if d !in module_names {
|
||
deps << d
|
||
}
|
||
}
|
||
if deps.len > 0 {
|
||
println('Resolving $deps.len dependencies for module "$name" ...')
|
||
verbose_println('Found dependencies: $deps')
|
||
vpm_install(deps, Source.vpm)
|
||
}
|
||
}
|
||
|
||
fn parse_vmod(data string) !Vmod {
|
||
manifest := vmod.decode(data) or { return error('Parsing v.mod file failed, $err') }
|
||
mut vmod := Vmod{}
|
||
vmod.name = manifest.name
|
||
vmod.version = manifest.version
|
||
vmod.deps = manifest.dependencies
|
||
return vmod
|
||
}
|
||
|
||
fn get_working_server_url() string {
|
||
server_urls := if settings.server_urls.len > 0 {
|
||
settings.server_urls
|
||
} else {
|
||
vpm_server_urls
|
||
}
|
||
for url in server_urls {
|
||
verbose_println('Trying server url: $url')
|
||
http.head(url) or {
|
||
verbose_println(' $url failed.')
|
||
continue
|
||
}
|
||
return url
|
||
}
|
||
panic('No responding vpm server found. Please check your network connectivity and try again later.')
|
||
}
|
||
|
||
// settings context:
|
||
struct VpmSettings {
|
||
mut:
|
||
is_help bool
|
||
is_verbose bool
|
||
server_urls []string
|
||
vmodules_path string
|
||
}
|
||
|
||
const (
|
||
settings = &VpmSettings{}
|
||
)
|
||
|
||
fn init_settings() {
|
||
mut s := &VpmSettings(0)
|
||
unsafe {
|
||
s = settings
|
||
}
|
||
s.is_help = '-h' in os.args || '--help' in os.args || 'help' in os.args
|
||
s.is_verbose = '-v' in os.args
|
||
s.server_urls = cmdline.options(os.args, '-server-url')
|
||
s.vmodules_path = os.vmodules_dir()
|
||
}
|
||
|
||
fn verbose_println(s string) {
|
||
if settings.is_verbose {
|
||
println(s)
|
||
}
|
||
}
|
||
|
||
fn get_mod_by_url(name string) ?Mod {
|
||
if purl := urllib.parse(name) {
|
||
verbose_println('purl: $purl')
|
||
mod := Mod{
|
||
name: purl.path.trim_left('/').trim_right('/').replace('/', '.')
|
||
url: name
|
||
}
|
||
verbose_println(mod.str())
|
||
return mod
|
||
}
|
||
return error('invalid url: $name')
|
||
}
|
||
|
||
fn get_module_meta_info(name string) ?Mod {
|
||
if mod := get_mod_by_url(name) {
|
||
return mod
|
||
}
|
||
mut errors := []string{}
|
||
|
||
for server_url in vpm_server_urls {
|
||
modurl := server_url + '/jsmod/$name'
|
||
verbose_println('Retrieving module metadata from: "$modurl" ...')
|
||
r := http.get(modurl) or {
|
||
errors << 'Http server did not respond to our request for "$modurl" .'
|
||
errors << 'Error details: $err'
|
||
continue
|
||
}
|
||
if r.status_code == 404 || r.body.trim_space() == '404' {
|
||
errors << 'Skipping module "$name", since "$server_url" reported that "$name" does not exist.'
|
||
continue
|
||
}
|
||
if r.status_code != 200 {
|
||
errors << 'Skipping module "$name", since "$server_url" responded with $r.status_code http status code. Please try again later.'
|
||
continue
|
||
}
|
||
s := r.body
|
||
if s.len > 0 && s[0] != `{` {
|
||
errors << 'Invalid json data'
|
||
errors << s.trim_space().limit(100) + ' ...'
|
||
continue
|
||
}
|
||
mod := json.decode(Mod, s) or {
|
||
errors << 'Skipping module "$name", since its information is not in json format.'
|
||
continue
|
||
}
|
||
if '' == mod.url || '' == mod.name {
|
||
errors << 'Skipping module "$name", since it is missing name or url information.'
|
||
continue
|
||
}
|
||
return mod
|
||
}
|
||
return error(errors.join_lines())
|
||
}
|
||
|
||
fn vpm_show(module_names []string) {
|
||
installed_modules := get_installed_modules()
|
||
for module_name in module_names {
|
||
if module_name !in installed_modules {
|
||
module_meta_info := get_module_meta_info(module_name) or { continue }
|
||
print('
|
||
Name: $module_meta_info.name
|
||
Homepage: $module_meta_info.url
|
||
Downloads: $module_meta_info.nr_downloads
|
||
Installed: False
|
||
--------
|
||
')
|
||
continue
|
||
}
|
||
path := os.join_path(os.vmodules_dir(), module_name.replace('.', os.path_separator))
|
||
mod := vmod.from_file(os.join_path(path, 'v.mod')) or { continue }
|
||
print('Name: $mod.name
|
||
Version: $mod.version
|
||
Description: $mod.description
|
||
Homepage: $mod.repo_url
|
||
Author: $mod.author
|
||
License: $mod.license
|
||
Location: $path
|
||
Requires: ${mod.dependencies.join(', ')}
|
||
--------
|
||
')
|
||
}
|
||
}
|