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vpm: add support for other VCS for modules, like hg

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Add ability to pass flags to vpm.

Implement -help , -verbose and -server-url ,
to enable easier diagnostics and testing with a local server.
This commit is contained in:
Delyan Angelov 2020-01-03 23:07:58 +02:00 committed by Alexander Medvednikov
parent ddd83c2108
commit aeda48d94e
2 changed files with 182 additions and 44 deletions
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214
tools/vpm.v
View File

@ -3,14 +3,25 @@ module main
import (
net.http
os
os.cmdline
json
filepath
)
const (
// url = 'http://localhost:8089'
url = 'https://vpm.best'
default_vpm_server_urls = ['https://vpm.best', 'https://vpm.vlang.io']
valid_vpm_commands = ['help', 'search', 'install', 'update', 'remove']
excluded_dirs = ['cache', 'vlib']
supported_vcs_systems = ['git', 'hg']
supported_vcs_folders = ['.git', '.hg']
supported_vcs_update_cmds = {
'git': 'git pull --depth=1'
'hg': 'hg pull --update'
}
supported_vcs_install_cmds = {
'git': 'git clone --depth=1'
'hg': 'hg clone'
}
)
struct Mod {
@ -18,6 +29,7 @@ struct Mod {
name string
url string
nr_downloads int
vcs string
}
struct Vmod {
@ -28,17 +40,19 @@ mut:
}
fn main() {
ensure_vmodules_dir_exist()
change_to_vmodules_dir()
init_settings()
// This tool is intended to be launched by the v frontend,
// which provides the path to V inside os.getenv('VEXE')
args := os.args // args are: vpm SUBCOMMAND module names
if args.len < 2 {
args := os.args // args are: vpm [options] SUBCOMMAND module names
params := cmdline.only_non_options(args[1..])
verbose_println('cli params: $params')
if params.len < 1 {
vpm_help([])
exit(5)
}
vpm_command := args[1]
module_names := args[2..]
vpm_command := params[0]
module_names := params[1..]
ensure_vmodules_dir_exist()
// println('module names: ') println(module_names)
match vpm_command {
'help' {
@ -68,11 +82,12 @@ fn main() {
}
fn vpm_search(keywords []string) {
if user_asks_for_help(keywords) {
if settings.is_help {
println('Usage:')
println(' v search keyword1 [keyword2] [...]')
println(' ^^^^^^^^^^^^^^^^^ will search https://vpm.vlang.io/ for matching modules,')
println(' and will show details about them')
show_vpm_options()
exit(0)
}
if keywords.len == 0 {
@ -109,10 +124,11 @@ fn vpm_search(keywords []string) {
}
fn vpm_install(module_names []string) {
if user_asks_for_help(module_names) {
if settings.is_help {
println('Usage:')
println(' v install module [module] [module] [...]')
println(' ^^^^^^^^^^^^^ will install the modules you specified')
show_vpm_options()
exit(0)
}
if module_names.len == 0 {
@ -120,11 +136,15 @@ fn vpm_install(module_names []string) {
exit(2)
}
mut errors := 0
url := get_working_server_url()
for n in module_names {
name := n.trim_space()
modurl := url + '/jsmod/$name'
r := http.get(modurl) or {
panic(err)
println('Http server did not respond to our request for ${modurl}.')
println('Error details: $err')
errors++
continue
}
if r.status_code == 404 {
println('Skipping module "$name", since $url reported that "$name" does not exist.')
@ -148,16 +168,36 @@ fn vpm_install(module_names []string) {
println('Skipping module "$name", since it is missing name or url information.')
continue
}
final_module_path := os.realpath(filepath.join(get_vmodules_dir_path(),mod.name.replace('.', os.path_separator)))
mut vcs := mod.vcs
if vcs == '' {
vcs = supported_vcs_systems[0]
}
if !vcs in supported_vcs_systems {
errors++
println('Skipping module "$name", since it uses an unsupported VCS {$vcs} .')
continue
}
final_module_path := os.realpath(filepath.join(settings.vmodules_path,mod.name.replace('.', os.path_separator)))
if os.exists(final_module_path) {
vpm_update([name])
continue
}
println('Installing module "$name" from $mod.url to $final_module_path ...')
os.exec('git clone --depth=1 "$mod.url" "$final_module_path"') or {
vcs_install_cmd := supported_vcs_install_cmds[vcs]
cmd := '${vcs_install_cmd} "${mod.url}" "${final_module_path}"'
verbose_println(' command: $cmd')
cmdres := os.exec(cmd) or {
errors++
println('Could not install module "$name" to "$final_module_path" .')
println('Error details: $err')
verbose_println('Error command: $cmd')
verbose_println('Error details: $err')
continue
}
if cmdres.exit_code != 0 {
errors++
println('Failed installing module "$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)
@ -169,12 +209,13 @@ fn vpm_install(module_names []string) {
fn vpm_update(m []string) {
mut module_names := m
if user_asks_for_help(module_names) {
if settings.is_help {
println('Usage: ')
println(' a) v update module [module] [module] [...]')
println(' ^^^^^^^^^^^^ will update the listed modules to their latest versions')
println(' b) v update')
println(' ^^^^^^^^^^^^ will update ALL installed modules to their latest versions')
show_vpm_options()
exit(0)
}
if module_names.len == 0 {
@ -182,17 +223,29 @@ fn vpm_update(m []string) {
}
mut errors := 0
for name in module_names {
final_module_path := os.realpath(filepath.join(get_vmodules_dir_path(),name.replace('.', os.path_separator)))
if !os.exists(final_module_path) {
println('No module with name "$name" exists at $final_module_path')
final_module_path := valid_final_path_of_existing_module(name) or {
continue
}
os.chdir(final_module_path)
println('Updating module "$name"...')
os.exec('git pull --depth=1') or {
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: $vcs_cmd')
vcs_res := os.exec('${vcs_cmd}') or {
errors++
println('Could not update module "$name".')
println('Error details: $err')
verbose_println('Error command: ${vcs_cmd}')
verbose_println('Error details:\n$err')
continue
}
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
}
resolve_dependencies(name, final_module_path, module_names)
@ -203,12 +256,13 @@ fn vpm_update(m []string) {
}
fn vpm_remove(module_names []string) {
if user_asks_for_help(module_names) {
if settings.is_help {
println('Usage: ')
println(' a) v remove module [module] [module] [...]')
println(' ^^^^^^^^^^^^ will remove the listed modules')
println(' b) v remove')
println(' ^^^^^^^^^^^^ will remove ALL installed modules')
show_vpm_options()
exit(0)
}
if module_names.len == 0 {
@ -216,45 +270,49 @@ fn vpm_remove(module_names []string) {
exit(2)
}
for name in module_names {
final_module_path := os.realpath(filepath.join(get_vmodules_dir_path(),name.replace('.', os.path_separator)))
if !os.exists(final_module_path) {
println('No module with name "$name" exists at $final_module_path')
final_module_path := valid_final_path_of_existing_module(name) or {
continue
}
println('Removing module "$name"...')
verbose_println('removing folder $final_module_path')
os.rmdir_recursive(final_module_path)
// delete author directory if it is empty
author := name.split('.')[0]
author_dir := os.realpath(filepath.join(get_vmodules_dir_path(), author))
author_dir := os.realpath(filepath.join(settings.vmodules_path,author))
if os.is_dir_empty(author_dir) {
verbose_println('removing author folder $author_dir')
os.rmdir(author_dir)
}
}
}
fn get_vmodules_dir_path() string {
return os.home_dir() + '.vmodules'
fn valid_final_path_of_existing_module(name string) ?string {
name_of_vmodules_folder := filepath.join(settings.vmodules_path,name.replace('.', os.path_separator))
final_module_path := os.realpath(name_of_vmodules_folder)
if !os.exists(final_module_path) {
println('No module with name "$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() {
home_vmodules := get_vmodules_dir_path()
if !os.is_dir(home_vmodules) {
println('Creating $home_vmodules/ ...')
os.mkdir(home_vmodules) or {
if !os.is_dir(settings.vmodules_path) {
println('Creating $settings.vmodules_path/ ...')
os.mkdir(settings.vmodules_path) or {
panic(err)
}
}
}
fn change_to_vmodules_dir() {
os.chdir(get_vmodules_dir_path())
}
fn user_asks_for_help(module_names []string) bool {
return ('-h' in module_names) || ('--help' in module_names) || ('help' in module_names)
}
fn vpm_help(module_names []string) {
println('Usage:')
println(' a) v install module [module] [module] [...]')
@ -265,20 +323,38 @@ fn vpm_help(module_names []string) {
println(' You can also pass -h or --help after each vpm command from the above, to see more details about it.')
}
fn vcs_used_in_dir(dir string) ?[]string {
mut vcs := []string
for repo_subfolder in supported_vcs_folders {
checked_folder := os.realpath(filepath.join(dir,repo_subfolder))
if os.is_dir(checked_folder) {
vcs << repo_subfolder.replace('.', '')
}
}
if vcs.len == 0 {
return none
}
return vcs
}
fn get_installed_modules() []string {
dirs := os.ls(get_vmodules_dir_path()) or {
dirs := os.ls(settings.vmodules_path) or {
return []
}
mut modules := []string
for dir in dirs {
if dir in ['cache', 'vlib'] || !os.is_dir(dir) {
adir := filepath.join(settings.vmodules_path,dir)
if dir in excluded_dirs || !os.is_dir(adir) {
continue
}
author := dir
mods := os.ls('${filepath.join(get_vmodules_dir_path(), dir)}') or {
mods := os.ls(adir) or {
continue
}
for m in mods {
vcs_used_in_dir(filepath.join(adir,m)) or {
continue
}
modules << '${author}.$m'
}
}
@ -286,6 +362,7 @@ fn get_installed_modules() []string {
}
fn get_all_modules() []string {
url := get_working_server_url()
r := http.get(url) or {
panic(err)
}
@ -340,6 +417,7 @@ fn resolve_dependencies(name, module_path string, module_names []string) {
}
if deps.len > 0 {
println('Resolving ${deps.len} dependencies for module "$name"...')
verbose_println('Found dependencies: $deps')
vpm_install(deps)
}
}
@ -366,3 +444,53 @@ fn parse_vmod(data string) Vmod {
}
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 = '-verbose' in os.args || '--verbose' in os.args
s.server_urls = cmdline.many_values(os.args, '-server-url')
s.vmodules_path = os.home_dir() + '.vmodules'
}
fn show_vpm_options() {
println('Options:')
println(' -help - Show usage info')
println(' -verbose - Print more details about the performed operation')
println(' -server-url - When doing network operations, use this vpm server. Can be given multiple times.')
}
fn verbose_println(s string) {
if settings.is_verbose {
println(s)
}
}

10
vlib/net/http/http.v
View File

@ -54,6 +54,16 @@ pub fn post(url, data string) ?Response {
return res
}
pub fn head(url string) ?Response {
req := new_request('HEAD', url, '') or {
return error(err)
}
res := req.do() or {
return error(err)
}
return res
}
// new_request creates a new HTTP request
pub fn new_request(typ, _url, _data string) ?Request {
if _url == '' {