v/cmd/tools/vpm.v

791 lines
20 KiB
V
Raw Blame History

This file contains ambiguous Unicode characters!

This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.

// Copyright (c) 2019-2022 Alexander Medvednikov. All rights reserved.
// Use of this source code is governed by an MIT license
// that can be found in the LICENSE file.
module main
import os
import os.cmdline
import net.http
import net.urllib
import json
import vhelp
import v.vmod
const (
default_vpm_server_urls = ['https://vpm.vlang.io', 'https://vpm.url4e.com']
valid_vpm_commands = ['help', 'search', 'install', 'update', 'upgrade', 'outdated',
'list', 'remove', 'show']
excluded_dirs = ['cache', 'vlib']
supported_vcs_systems = ['git', 'hg']
supported_vcs_folders = ['.git', '.hg']
supported_vcs_update_cmds = {
'git': 'git pull'
'hg': 'hg pull --update'
}
supported_vcs_install_cmds = {
'git': 'git clone --depth=1'
'hg': 'hg clone'
}
supported_vcs_outdated_steps = {
'git': ['git fetch', 'git rev-parse @', 'git rev-parse @{u}']
'hg': ['hg incoming']
}
supported_vcs_version_cmds = {
'git': 'git version'
'hg': 'hg version'
}
)
struct Mod {
id int
name string
url string
nr_downloads int
vcs string
}
struct Vmod {
mut:
name string
version string
deps []string
}
enum Source {
git
hg
vpm
}
fn main() {
init_settings()
// This tool is intended to be launched by the v frontend,
// which provides the path to V inside os.getenv('VEXE')
// args are: vpm [options] SUBCOMMAND module names
params := cmdline.only_non_options(os.args[1..])
options := cmdline.only_options(os.args[1..])
verbose_println('cli params: $params')
if params.len < 1 {
vpm_help()
exit(5)
}
vpm_command := params[0]
mut module_names := params[1..]
ensure_vmodules_dir_exist()
// println('module names: ') println(module_names)
match vpm_command {
'help' {
vpm_help()
}
'search' {
vpm_search(module_names)
}
'install' {
if module_names.len == 0 && os.exists('./v.mod') {
println('Detected v.mod file inside the project directory. Using it...')
manifest := vmod.from_file('./v.mod') or { panic(err) }
module_names = manifest.dependencies
}
mut source := Source.vpm
if '--once' in options {
module_names = vpm_once_filter(module_names)
if module_names.len == 0 {
return
}
}
if '--git' in options {
source = Source.git
}
if '--hg' in options {
source = Source.hg
}
vpm_install(module_names, source)
}
'update' {
vpm_update(module_names)
}
'upgrade' {
vpm_upgrade()
}
'outdated' {
vpm_outdated()
}
'list' {
vpm_list()
}
'remove' {
vpm_remove(module_names)
}
'show' {
vpm_show(module_names)
}
else {
println('Error: you tried to run "v $vpm_command"')
println('... but the v package management tool vpm only knows about these commands:')
for validcmd in valid_vpm_commands {
println(' v $validcmd')
}
exit(3)
}
}
}
fn vpm_search(keywords []string) {
search_keys := keywords.map(it.replace('_', '-'))
if settings.is_help {
vhelp.show_topic('search')
exit(0)
}
if search_keys.len == 0 {
println('´v search´ requires *at least one* keyword.')
exit(2)
}
modules := get_all_modules()
installed_modules := get_installed_modules()
joined := search_keys.join(', ')
mut index := 0
for mod in modules {
for k in search_keys {
if !mod.contains(k) {
continue
}
if index == 0 {
println('Search results for "$joined":\n')
}
index++
mut parts := mod.split('.')
// in case the author isn't present
if parts.len == 1 {
parts << parts[0]
parts[0] = ' '
} else {
parts[0] = ' by ${parts[0]} '
}
installed := if mod in installed_modules { ' (installed)' } else { '' }
println('${index}. ${parts[1]}${parts[0]}[$mod]$installed')
break
}
}
if index == 0 {
vexe := os.getenv('VEXE')
vroot := os.real_path(os.dir(vexe))
mut messages := ['No module(s) found for `$joined` .']
for vlibmod in search_keys {
if os.is_dir(os.join_path(vroot, 'vlib', vlibmod)) {
messages << 'There is already an existing "$vlibmod" module in vlib, so you can just `import $vlibmod` .'
}
}
for m in messages {
println(m)
}
} else {
println('\nUse "v install author_name.module_name" to install the module.')
}
}
fn vpm_install_from_vpm(module_names []string) {
mut errors := 0
for n in module_names {
name := n.trim_space().replace('_', '-')
mod := get_module_meta_info(name) or {
errors++
println('Errors while retrieving meta data for module $name:')
println(err)
continue
}
mut vcs := mod.vcs
if vcs == '' {
vcs = supported_vcs_systems[0]
}
if vcs !in supported_vcs_systems {
errors++
println('Skipping module "$name", since it uses an unsupported VCS {$vcs} .')
continue
}
if !ensure_vcs_is_installed(vcs) {
errors++
println('VPM needs `$vcs` to be installed.')
continue
}
//
minfo := mod_name_info(mod.name)
if os.exists(minfo.final_module_path) {
vpm_update([name])
continue
}
println('Installing module "$name" from "$mod.url" to "$minfo.final_module_path" ...')
vcs_install_cmd := supported_vcs_install_cmds[vcs]
cmd := '$vcs_install_cmd "$mod.url" "$minfo.final_module_path"'
verbose_println(' command: $cmd')
cmdres := os.execute(cmd)
if cmdres.exit_code != 0 {
errors++
println('Failed installing module "$name" to "$minfo.final_module_path" .')
print_failed_cmd(cmd, cmdres)
continue
}
resolve_dependencies(name, minfo.final_module_path, module_names)
}
if errors > 0 {
exit(1)
}
}
fn print_failed_cmd(cmd string, cmdres os.Result) {
verbose_println('Failed command: $cmd')
verbose_println('Failed command output:\n$cmdres.output')
}
fn ensure_vcs_is_installed(vcs string) bool {
mut res := true
cmd := supported_vcs_version_cmds[vcs]
cmdres := os.execute(cmd)
if cmdres.exit_code != 0 {
print_failed_cmd(cmd, cmdres)
res = false
}
return res
}
fn vpm_install_from_vcs(module_names []string, vcs_key string) {
mut errors := 0
for n in module_names {
url := n.trim_space()
first_cut_pos := url.last_index('/') or {
errors++
println('Errors while retrieving name for module "$url" :')
println(err)
continue
}
mod_name := url.substr(first_cut_pos + 1, url.len)
second_cut_pos := url.substr(0, first_cut_pos).last_index('/') or {
errors++
println('Errors while retrieving name for module "$url" :')
println(err)
continue
}
repo_name := url.substr(second_cut_pos + 1, first_cut_pos)
mut name := os.join_path(repo_name, mod_name)
mod_name_as_path := name.replace('-', '_').to_lower()
mut final_module_path := os.real_path(os.join_path(settings.vmodules_path, mod_name_as_path))
if os.exists(final_module_path) {
vpm_update([name.replace('-', '_')])
continue
}
if !ensure_vcs_is_installed(vcs_key) {
errors++
println('VPM needs `$vcs_key` to be installed.')
continue
}
println('Installing module "$name" from "$url" to "$final_module_path" ...')
vcs_install_cmd := supported_vcs_install_cmds[vcs_key]
cmd := '$vcs_install_cmd "$url" "$final_module_path"'
verbose_println(' command: $cmd')
cmdres := os.execute(cmd)
if cmdres.exit_code != 0 {
errors++
println('Failed installing module "$name" to "$final_module_path" .')
print_failed_cmd(cmd, cmdres)
continue
}
vmod_path := os.join_path(final_module_path, 'v.mod')
if os.exists(vmod_path) {
data := os.read_file(vmod_path) or { return }
vmod := parse_vmod(data)
minfo := mod_name_info(vmod.name)
println('Relocating module from "$name" to "$vmod.name" ( "$minfo.final_module_path" ) ...')
if os.exists(minfo.final_module_path) {
println('Warning module "$minfo.final_module_path" already exsits!')
println('Removing module "$minfo.final_module_path" ...')
os.rmdir_all(minfo.final_module_path) or {
errors++
println('Errors while removing "$minfo.final_module_path" :')
println(err)
continue
}
}
os.mv(final_module_path, minfo.final_module_path) or {
errors++
println('Errors while relocating module "$name" :')
println(err)
os.rmdir_all(final_module_path) or {
errors++
println('Errors while removing "$final_module_path" :')
println(err)
continue
}
continue
}
println('Module "$name" relocated to "$vmod.name" successfully.')
final_module_path = minfo.final_module_path
name = vmod.name
}
resolve_dependencies(name, final_module_path, module_names)
}
if errors > 0 {
exit(1)
}
}
fn vpm_once_filter(module_names []string) []string {
installed_modules := get_installed_modules()
mut toinstall := []string{}
for mn in module_names {
if mn !in installed_modules {
toinstall << mn
}
}
return toinstall
}
fn vpm_install(module_names []string, source Source) {
if settings.is_help {
vhelp.show_topic('install')
exit(0)
}
if module_names.len == 0 {
println('´v install´ requires *at least one* module name.')
exit(2)
}
match source {
.vpm {
vpm_install_from_vpm(module_names)
}
.git {
vpm_install_from_vcs(module_names, 'git')
}
.hg {
vpm_install_from_vcs(module_names, 'hg')
}
}
}
fn vpm_update(m []string) {
mut module_names := m.clone()
if settings.is_help {
vhelp.show_topic('update')
exit(0)
}
if module_names.len == 0 {
module_names = get_installed_modules()
}
mut errors := 0
for modulename in module_names {
zname := url_to_module_name(modulename)
final_module_path := valid_final_path_of_existing_module(modulename) or { continue }
os.chdir(final_module_path) or {}
println('Updating module "$zname" in "$final_module_path" ...')
vcs := vcs_used_in_dir(final_module_path) or { continue }
if !ensure_vcs_is_installed(vcs[0]) {
errors++
println('VPM needs `$vcs` to be installed.')
continue
}
vcs_cmd := supported_vcs_update_cmds[vcs[0]]
verbose_println(' command: $vcs_cmd')
vcs_res := os.execute('$vcs_cmd')
if vcs_res.exit_code != 0 {
errors++
println('Failed updating module "$zname" in "$final_module_path" .')
print_failed_cmd(vcs_cmd, vcs_res)
continue
} else {
verbose_println(' $vcs_res.output.trim_space()')
}
resolve_dependencies(modulename, final_module_path, module_names)
}
if errors > 0 {
exit(1)
}
}
fn get_outdated() ?[]string {
module_names := get_installed_modules()
mut outdated := []string{}
for name in module_names {
final_module_path := valid_final_path_of_existing_module(name) or { continue }
os.chdir(final_module_path) or {}
vcs := vcs_used_in_dir(final_module_path) or { continue }
vcs_cmd_steps := supported_vcs_outdated_steps[vcs[0]]
mut outputs := []string{}
for step in vcs_cmd_steps {
res := os.execute(step)
if res.exit_code < 0 {
verbose_println('Error command: $step')
verbose_println('Error details:\n$res.output')
return error('Error while checking latest commits for "$name" .')
}
if vcs[0] == 'hg' {
if res.exit_code == 1 {
outdated << name
}
} else {
outputs << res.output
}
}
if vcs[0] == 'git' && outputs[1] != outputs[2] {
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 {
println(' $m')
}
} else {
println('Modules are up to date.')
}
}
fn vpm_list() {
module_names := get_installed_modules()
if module_names.len == 0 {
eprintln('You have no modules installed.')
exit(0)
}
for mod in module_names {
println(mod)
}
}
fn vpm_remove(module_names []string) {
if settings.is_help {
vhelp.show_topic('remove')
exit(0)
}
if module_names.len == 0 {
println('´v remove´ requires *at least one* module name.')
exit(2)
}
for name in module_names {
final_module_path := valid_final_path_of_existing_module(name) or { continue }
println('Removing module "$name" ...')
verbose_println('removing folder $final_module_path')
os.rmdir_all(final_module_path) or {
verbose_println('error while removing "$final_module_path": $err.msg()')
}
// delete author directory if it is empty
author := name.split('.')[0]
author_dir := os.real_path(os.join_path(settings.vmodules_path, author))
if !os.exists(author_dir) {
continue
}
if os.is_dir_empty(author_dir) {
verbose_println('removing author folder $author_dir')
os.rmdir(author_dir) or {
verbose_println('error while removing "$author_dir": $err.msg()')
}
}
}
}
fn valid_final_path_of_existing_module(modulename string) ?string {
name := if mod := get_mod_by_url(modulename) { mod.name } else { modulename }
minfo := mod_name_info(name)
if !os.exists(minfo.final_module_path) {
println('No module with name "$minfo.mname_normalised" exists at $minfo.final_module_path')
return none
}
if !os.is_dir(minfo.final_module_path) {
println('Skipping "$minfo.final_module_path", since it is not a folder.')
return none
}
vcs_used_in_dir(minfo.final_module_path) or {
println('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 {
println('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)
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 { vmod.Manifest{} }
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 {
default_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: $name')
}
fn get_module_meta_info(name string) ?Mod {
if mod := get_mod_by_url(name) {
return mod
}
mut errors := []string{}
for server_url in default_vpm_server_urls {
modurl := server_url + '/jsmod/$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(', ')}
--------
')
}
}