v/cmd/tools/vpm.v

602 lines
15 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) 2019-2021 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 json
import vhelp
import v.vmod
const (
default_vpm_server_urls = ['https://vpm.vlang.io']
valid_vpm_commands = ['help', 'search', 'install', 'update', 'upgrade', 'outdated',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']
}
)
struct Mod {
id int
name string
url string
nr_downloads int
vcs string
}
struct Vmod {
mut:
name string
version string
deps []string
}
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..])
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
}
vpm_install(module_names)
}
'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'outdated' {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 $validcmd')
}
exit(3)
}
}
}
fn vpm_search(keywords []string) {
search_keys := keywords.map(it.replace('_', '-'))
if settings.is_help {
vhelp.show_topic('search')
exit(0)
}
if search_keys.len == 0 {
println('´v search´ requires *at least one* keyword.')
exit(2)
}
modules := get_all_modules()
installed_modules := get_installed_modules()
joined := search_keys.join(', ')
mut index := 0
for mod in modules {
// TODO for some reason .filter results in substr error, so do it manually
for k in search_keys {
if !mod.contains(k) {
continue
}
if index == 0 {
println('Search results for "$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(module_names []string) {
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)
}
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 {$vcs} .')
continue
}
mod_name_as_path := mod.name.replace('.', os.path_separator).replace('-', '_').to_lower()
final_module_path := os.real_path(os.join_path(settings.vmodules_path, mod_name_as_path))
if os.exists(final_module_path) {
vpm_update([name])
continue
}
println('Installing module "$name" from $mod.url to $final_module_path ...')
vcs_install_cmd := supported_vcs_install_cmds[vcs]
cmd := '$vcs_install_cmd "$mod.url" "$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" .')
verbose_println('Failed command: $cmd')
verbose_println('Failed command output:\n$cmdres.output')
continue
}
resolve_dependencies(name, final_module_path, module_names)
}
if errors > 0 {
exit(1)
}
}
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 name in module_names {
final_module_path := valid_final_path_of_existing_module(name) or { continue }
os.chdir(final_module_path)
println('Updating module "$name"...')
verbose_println(' work folder: $final_module_path')
vcs := vcs_used_in_dir(final_module_path) or { 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 "$name".')
verbose_println('Failed command: $vcs_cmd')
verbose_println('Failed details:\n$vcs_res.output')
continue
} else {
verbose_println(' $vcs_res.output.trim_space()')
}
resolve_dependencies(name, 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)
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 {
println('You have no modules installed.')
exit(0)
}
println('Installed modules:')
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": $err.msg')
}
}
}
}
fn valid_final_path_of_existing_module(name string) ?string {
mod_name_as_path := name.replace('.', os.path_separator).replace('-', '_').to_lower()
name_of_vmodules_folder := os.join_path(settings.vmodules_path, mod_name_as_path)
final_module_path := os.real_path(name_of_vmodules_folder)
if !os.exists(final_module_path) {
println('No module with name "$name" exists at $name_of_vmodules_folder')
return none
}
if !os.is_dir(final_module_path) {
println('Skipping "$name_of_vmodules_folder", since it is not a folder.')
return none
}
vcs_used_in_dir(final_module_path) or {
println('Skipping "$name_of_vmodules_folder", since it does not use a supported vcs.')
return none
}
return 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
}
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.text
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 {
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: $deps')
vpm_install(deps)
}
}
fn parse_vmod(data string) Vmod {
keys := ['name', 'version', 'deps']
mut m := {
'name': ''
'version': ''
'deps': ''
}
for key in keys {
mut key_index := data.index('$key:') or { continue }
key_index += key.len + 1
m[key] = data[key_index..data.index_after('\n', key_index)].trim_space().replace("'",
'').replace('[', '').replace(']', '')
}
mut vmod := Vmod{}
vmod.name = m['name']
vmod.version = m['version']
if m['deps'].len > 0 {
vmod.deps = m['deps'].split(',')
}
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(' $url failed.')
continue
}
return url
}
panic('No responding vpm server found. Please check your network connectivity and try again later.')
}
// settings context:
struct VpmSettings {
mut:
is_help bool
is_verbose bool
server_urls []string
vmodules_path string
}
const (
settings = &VpmSettings{}
)
fn init_settings() {
mut s := &VpmSettings(0)
unsafe {
s = settings
}
s.is_help = '-h' in os.args || '--help' in os.args || 'help' in os.args
s.is_verbose = '-v' in os.args
s.server_urls = cmdline.options(os.args, '-server-url')
s.vmodules_path = os.vmodules_dir()
}
fn verbose_println(s string) {
if settings.is_verbose {
println(s)
}
}
fn get_module_meta_info(name string) ?Mod {
mut errors := []string{}
for server_url in default_vpm_server_urls {
modurl := server_url + '/jsmod/$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: $err'
continue
}
if r.status_code == 404 || r.text.trim_space() == '404' {
errors << 'Skipping module "$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 $r.status_code http status code. Please try again later.'
continue
}
s := r.text
if s.len > 0 && s[0] != `{` {
errors << 'Invalid json data'
errors << s.trim_space().limit(100) + '...'
continue
}
mod := json.decode(Mod, s) or {
errors << 'Skipping module "$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(', ')}
--------
')
}
}