2020-05-26 09:30:20 +03:00
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import os
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2020-06-19 13:54:56 +03:00
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$if windows {
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$if tinyc {
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2021-06-14 15:42:56 +03:00
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#flag -ladvapi32
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#flag -luser32
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2020-06-19 13:54:56 +03:00
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}
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}
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2022-02-08 14:23:10 +03:00
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2020-10-15 16:17:52 +03:00
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fn main() {
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2021-02-18 19:11:09 +03:00
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C.atexit(cleanup_vtmp_folder)
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2022-02-08 14:23:10 +03:00
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if os.args.len > 3 {
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print('usage: v symlink [OPTIONS]')
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exit(1)
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}
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2023-02-26 08:56:14 +03:00
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vexe := os.real_path(os.getenv_opt('VEXE') or { @VEXE })
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2022-02-08 14:23:10 +03:00
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2023-02-26 08:56:14 +03:00
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if '-githubci' in os.args {
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2022-02-08 14:23:10 +03:00
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setup_symlink_github()
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} else {
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$if windows {
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setup_symlink_windows(vexe)
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} $else {
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setup_symlink_unix(vexe)
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}
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2020-05-26 09:30:20 +03:00
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}
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2020-05-26 13:34:01 +03:00
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}
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2021-02-18 19:11:09 +03:00
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fn cleanup_vtmp_folder() {
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2022-11-03 10:24:52 +03:00
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os.rmdir_all(os.vtmp_dir()) or {}
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2021-02-18 19:11:09 +03:00
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}
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2022-02-08 14:23:10 +03:00
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fn setup_symlink_github() {
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// We append V's install location (which should
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// be the current directory) to the PATH environment variable.
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// Resources:
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// 1. https://docs.github.com/en/actions/using-workflows/workflow-commands-for-github-actions#environment-files
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// 2. https://docs.github.com/en/actions/using-workflows/workflow-commands-for-github-actions#setting-an-environment-variable
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mut content := os.read_file(os.getenv('GITHUB_PATH')) or {
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panic('Failed to read GITHUB_PATH.')
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}
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2022-11-15 16:53:13 +03:00
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content += '\n${os.getwd()}\n'
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2022-02-08 14:23:10 +03:00
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os.write_file(os.getenv('GITHUB_PATH'), content) or { panic('Failed to write to GITHUB_PATH.') }
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}
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2021-02-18 19:11:09 +03:00
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fn setup_symlink_unix(vexe string) {
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2021-02-22 14:08:41 +03:00
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mut link_path := '/data/data/com.termux/files/usr/bin/v'
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2021-06-03 01:22:14 +03:00
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if !os.is_dir('/data/data/com.termux/files') {
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2021-02-22 14:08:41 +03:00
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link_dir := '/usr/local/bin'
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if !os.exists(link_dir) {
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2021-03-01 02:18:14 +03:00
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os.mkdir_all(link_dir) or { panic(err) }
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2021-02-22 14:08:41 +03:00
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}
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link_path = link_dir + '/v'
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2020-10-16 10:55:55 +03:00
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}
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2021-07-12 14:23:25 +03:00
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os.rm(link_path) or {}
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os.symlink(vexe, link_path) or {
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2022-11-15 16:53:13 +03:00
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eprintln('Failed to create symlink "${link_path}". Try again with sudo.')
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2021-07-12 14:23:25 +03:00
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exit(1)
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2020-05-26 09:30:20 +03:00
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}
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}
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2020-05-26 13:34:01 +03:00
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2020-10-15 16:17:52 +03:00
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fn setup_symlink_windows(vexe string) {
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2020-06-08 10:19:31 +03:00
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$if windows {
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2020-07-16 19:33:26 +03:00
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// Create a symlink in a new local folder (.\.bin\.v.exe)
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// Puts `v` in %PATH% without polluting it with anything else (like make.bat).
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// This will make `v` available on cmd.exe, PowerShell, and MinGW(MSYS)/WSL/Cygwin
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2020-10-15 16:17:52 +03:00
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vdir := os.real_path(os.dir(vexe))
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vsymlinkdir := os.join_path(vdir, '.bin')
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2020-07-16 19:33:26 +03:00
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mut vsymlink := os.join_path(vsymlinkdir, 'v.exe')
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2021-02-27 10:39:36 +03:00
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// Remove old symlink first (v could have been moved, symlink rerun)
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2020-07-16 19:33:26 +03:00
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if !os.exists(vsymlinkdir) {
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2021-03-01 02:18:14 +03:00
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os.mkdir(vsymlinkdir) or { panic(err) }
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2021-02-27 10:39:36 +03:00
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} else {
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if os.exists(vsymlink) {
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2021-03-01 02:18:14 +03:00
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os.rm(vsymlink) or { panic(err) }
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2021-02-27 10:39:36 +03:00
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} else {
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vsymlink = os.join_path(vsymlinkdir, 'v.bat')
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if os.exists(vsymlink) {
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2021-03-01 02:18:14 +03:00
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os.rm(vsymlink) or { panic(err) }
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2021-02-27 10:39:36 +03:00
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}
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vsymlink = os.join_path(vsymlinkdir, 'v.exe')
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}
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2020-06-08 10:19:31 +03:00
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}
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2020-10-22 17:28:58 +03:00
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// First, try to create a native symlink at .\.bin\v.exe
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2020-07-16 19:33:26 +03:00
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os.symlink(vsymlink, vexe) or {
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// typically only fails if you're on a network drive (VirtualBox)
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// do batch file creation instead
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2022-11-15 16:53:13 +03:00
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eprintln('Could not create a native symlink: ${err}')
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2020-07-16 19:33:26 +03:00
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eprintln('Creating a batch file instead...')
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vsymlink = os.join_path(vsymlinkdir, 'v.bat')
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if os.exists(vsymlink) {
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2021-03-01 02:18:14 +03:00
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os.rm(vsymlink) or { panic(err) }
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2020-06-08 10:19:31 +03:00
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}
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2022-11-15 16:53:13 +03:00
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os.write_file(vsymlink, '@echo off\n"${vexe}" %*') or { panic(err) }
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eprintln('${vsymlink} file written.')
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2020-07-16 19:33:26 +03:00
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}
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if !os.exists(vsymlink) {
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2022-11-15 16:53:13 +03:00
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warn_and_exit('Could not create ${vsymlink}')
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2020-06-08 10:19:31 +03:00
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}
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2022-11-15 16:53:13 +03:00
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println('Symlink ${vsymlink} to ${vexe} created.')
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2020-10-22 17:28:58 +03:00
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println('Checking system %PATH%...')
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2020-10-15 16:17:52 +03:00
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reg_sys_env_handle := get_reg_sys_env_handle() or {
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2022-04-12 13:38:40 +03:00
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warn_and_exit(err.msg())
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2020-06-08 10:19:31 +03:00
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return
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}
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2020-09-19 23:26:32 +03:00
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// TODO: Fix defers inside ifs
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// defer {
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2020-10-15 16:17:52 +03:00
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// C.RegCloseKey(reg_sys_env_handle)
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2020-09-19 23:26:32 +03:00
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// }
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2020-07-04 20:52:25 +03:00
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// if the above succeeded, and we cannot get the value, it may simply be empty
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2021-01-26 17:43:10 +03:00
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sys_env_path := get_reg_value(reg_sys_env_handle, 'Path') or { '' }
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2022-11-15 16:53:13 +03:00
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current_sys_paths := sys_env_path.split(os.path_delimiter).map(it.trim('/${os.path_separator}'))
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2020-10-15 16:17:52 +03:00
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mut new_paths := [vsymlinkdir]
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2020-06-08 10:19:31 +03:00
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for p in current_sys_paths {
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2020-10-22 17:28:58 +03:00
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if p == '' {
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continue
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}
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2020-06-08 10:19:31 +03:00
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if p !in new_paths {
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new_paths << p
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}
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}
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new_sys_env_path := new_paths.join(';')
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if new_sys_env_path == sys_env_path {
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2020-10-22 17:28:58 +03:00
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println('System %PATH% was already configured.')
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2020-10-15 16:17:52 +03:00
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} else {
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2020-10-22 17:28:58 +03:00
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println('System %PATH% was not configured.')
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println('Adding symlink directory to system %PATH%...')
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2020-06-08 10:19:31 +03:00
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set_reg_value(reg_sys_env_handle, 'Path', new_sys_env_path) or {
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2020-09-19 23:26:32 +03:00
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C.RegCloseKey(reg_sys_env_handle)
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2022-04-12 13:38:40 +03:00
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warn_and_exit(err.msg())
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2020-06-08 10:19:31 +03:00
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}
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2021-02-27 10:39:36 +03:00
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println('Done.')
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2020-06-08 10:19:31 +03:00
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}
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2020-10-22 17:28:58 +03:00
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println('Notifying running processes to update their Environment...')
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2020-06-08 10:19:31 +03:00
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send_setting_change_msg('Environment') or {
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2020-10-22 17:28:58 +03:00
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eprintln(err)
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2020-09-19 23:26:32 +03:00
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C.RegCloseKey(reg_sys_env_handle)
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2021-02-27 10:39:36 +03:00
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warn_and_exit('You might need to run this again to have the `v` command in your %PATH%')
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2020-06-08 10:19:31 +03:00
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}
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2020-09-19 23:26:32 +03:00
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C.RegCloseKey(reg_sys_env_handle)
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2021-02-27 10:39:36 +03:00
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println('Done.')
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println('Note: Restart your shell/IDE to load the new %PATH%.')
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println('After restarting your shell/IDE, give `v version` a try in another directory!')
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2020-05-26 13:34:01 +03:00
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}
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2020-06-08 10:19:31 +03:00
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}
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fn warn_and_exit(err string) {
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eprintln(err)
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exit(1)
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}
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// get the system environment registry handle
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2023-03-02 16:49:50 +03:00
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fn get_reg_sys_env_handle() !voidptr {
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2020-07-16 19:33:26 +03:00
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$if windows { // wrap for cross-compile compat
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2020-06-08 10:19:31 +03:00
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// open the registry key
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2020-10-15 16:17:52 +03:00
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reg_key_path := 'Environment'
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2022-07-21 20:45:57 +03:00
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reg_env_key := unsafe { nil } // or HKEY (HANDLE)
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2020-07-16 19:33:26 +03:00
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if C.RegOpenKeyEx(os.hkey_current_user, reg_key_path.to_wide(), 0, 1 | 2, ®_env_key) != 0 {
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2022-11-15 16:53:13 +03:00
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return error('Could not open "${reg_key_path}" in the registry')
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2020-06-08 10:19:31 +03:00
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}
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return reg_env_key
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2020-05-26 13:34:01 +03:00
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}
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2020-06-08 10:19:31 +03:00
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return error('not on windows')
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}
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// get a value from a given $key
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2023-03-02 16:49:50 +03:00
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fn get_reg_value(reg_env_key voidptr, key string) !string {
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2020-06-08 10:19:31 +03:00
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$if windows {
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// query the value (shortcut the sizing step)
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2021-04-05 16:06:03 +03:00
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reg_value_size := u32(4095) // this is the max length (not for the registry, but for the system %PATH%)
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mut reg_value := unsafe { &u16(malloc(int(reg_value_size))) }
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2021-03-09 17:16:42 +03:00
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if C.RegQueryValueExW(reg_env_key, key.to_wide(), 0, 0, reg_value, ®_value_size) != 0 {
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2022-11-15 16:53:13 +03:00
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return error('Unable to get registry value for "${key}".')
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2020-05-26 13:34:01 +03:00
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}
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2021-02-15 18:15:52 +03:00
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return unsafe { string_from_wide(reg_value) }
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2020-05-26 13:34:01 +03:00
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}
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2020-06-08 10:19:31 +03:00
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return error('not on windows')
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}
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// sets the value for the given $key to the given $value
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2023-03-02 16:49:50 +03:00
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fn set_reg_value(reg_key voidptr, key string, value string) !bool {
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2020-06-08 10:19:31 +03:00
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$if windows {
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2021-03-09 17:16:42 +03:00
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if C.RegSetValueExW(reg_key, key.to_wide(), 0, C.REG_EXPAND_SZ, value.to_wide(),
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2021-02-27 10:39:36 +03:00
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value.len * 2) != 0 {
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2022-11-15 16:53:13 +03:00
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return error('Unable to set registry value for "${key}". %PATH% may be too long.')
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2020-06-08 10:19:31 +03:00
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}
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return true
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}
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return error('not on windows')
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}
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2020-07-16 19:33:26 +03:00
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// Broadcasts a message to all listening windows (explorer.exe in particular)
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2020-06-08 10:19:31 +03:00
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// letting them know that the system environment has changed and should be reloaded
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2023-03-02 16:49:50 +03:00
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fn send_setting_change_msg(message_data string) !bool {
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2020-06-08 10:19:31 +03:00
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$if windows {
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2021-04-05 16:06:03 +03:00
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if C.SendMessageTimeoutW(os.hwnd_broadcast, os.wm_settingchange, 0, unsafe { &u32(message_data.to_wide()) },
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2021-02-18 19:11:09 +03:00
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os.smto_abortifhung, 5000, 0) == 0 {
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2020-06-08 10:19:31 +03:00
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return error('Could not broadcast WM_SETTINGCHANGE')
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}
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return true
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2020-05-26 13:34:01 +03:00
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}
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2020-06-08 10:19:31 +03:00
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return error('not on windows')
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2020-05-26 13:34:01 +03:00
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}
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