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vim9script
# Vim runtime support library
#
# Maintainer: The Vim Project <https://github.com/vim/vim>
# Last Change: 2025 Jan 29
export def IsSafeExecutable(filetype: string, executable: string): bool
if empty(exepath(executable))
return v:false
endif
var cwd = getcwd()
return get(g:, filetype .. '_exec', get(g:, 'plugin_exec', 0))
&& (fnamemodify(exepath(executable), ':p:h') !=# cwd
|| (split($PATH, has('win32') ? ';' : ':')->index(cwd) != -1
&& cwd != '.'))
enddef
def Redir(): string
if get(g:, 'netrw_suppress_gx_mesg', true)
if &srr =~# "%s"
return printf(&srr, has("win32") ? "nul" : "/dev/null")
elseif &srr =~# '>&\?$'
return &srr .. (has("win32") ? "nul" : "/dev/null")
else
return &srr .. (has("win32") ? "> nul" : "> /dev/null")
endif
endif
return ''
enddef
if has('unix')
if has('win32unix')
# Cygwin provides cygstart
if executable('cygstart')
export def Launch(args: string)
execute $'silent ! cygstart --hide {args} {Redir()}' | redraw!
enddef
elseif !empty($MSYSTEM) && executable('start')
# MSYS2/Git Bash comes by default without cygstart; see
# https://www.msys2.org/wiki/How-does-MSYS2-differ-from-Cygwin
# Instead it provides /usr/bin/start script running `cmd.exe //c start`
# Adding "" //b` sets void title, hides cmd window and blocks path conversion
# of /b to \b\ " by MSYS2; see https://www.msys2.org/docs/filesystem-paths/
export def Launch(args: string)
execute $'silent !start "" //b {args} {Redir()}' | redraw!
enddef
else
# imitate /usr/bin/start script for other environments and hope for the best
export def Launch(args: string)
execute $'silent !cmd /c start "" /b {args} {Redir()}' | redraw!
enddef
endif
elseif exists('$WSL_DISTRO_NAME') # use cmd.exe to start GUI apps in WSL
export def Launch(args: string)
const command = (args =~? '\v<\f+\.(exe|com|bat|cmd)>')
? $'cmd.exe /c start /b {args} {Redir()}'
: $'nohup {args} {Redir()} &'
execute $'silent ! {command}' | redraw!
enddef
else
export def Launch(args: string)
const fork = has('gui_running') ? '' : '&'
execute $':silent ! nohup {args} {Redir()} {fork}' | redraw!
enddef
endif
elseif has('win32')
export def Launch(args: string)
const shell = (&shell =~? '\<cmd\.exe\>') ? '' : 'cmd.exe /c'
const quotes = empty(shell) ? '' : '""'
execute $'silent ! {shell} start {quotes} /b {args} {Redir()}' | redraw!
enddef
else
export def Launch(dummy: string)
echom 'No common launcher found'
enddef
endif
var os_viewer = null_string
# Git Bash
if has('win32unix')
# (cyg)start suffices
os_viewer = ''
# Windows / WSL
elseif executable('explorer.exe')
os_viewer = 'explorer.exe'
# Linux / BSD
elseif executable('xdg-open')
os_viewer = 'xdg-open'
# MacOS
elseif executable('open')
os_viewer = 'open'
endif
def Viewer(): string
# g:Openprg could be a string of program + its arguments, test if first
# argument is executable
var user_viewer = get(g:, "Openprg", get(g:, "netrw_browsex_viewer", ""))
# Take care of an off-by-one check for "for" too
if executable(trim(user_viewer))
return user_viewer
endif
var args = split(user_viewer, '\s\+\zs')
var viewer = get(args, 0, '')
for arg in args[1 :]
if executable(trim(viewer))
return user_viewer
endif
viewer ..= arg
endfor
if os_viewer == null
echoerr "No program to open this path found. See :help Open for more information."
endif
return os_viewer
enddef
export def Open(file: string)
Launch($"{Viewer()} {shellescape(file, 1)}")
enddef
# Uncomment this line to check for compilation errors early
# defcompile
# vim: ts=8 sts=2 sw=2 et
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