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vim/runtime/autoload/tar.vim
Christian Brabandt 9962c092cc
runtime(tar): update minimum Vim version required for tar.vim
related: #17733

Signed-off-by: Christian Brabandt <cb@256bit.org>
2025-07-16 18:28:11 +02:00

838 lines
28 KiB
VimL

" tar.vim: Handles browsing tarfiles - AUTOLOAD PORTION
" Date: Mar 01, 2025
" Version: 32b (with modifications from the Vim Project)
" Maintainer: This runtime file is looking for a new maintainer.
" Former Maintainer: Charles E Campbell
" License: Vim License (see vim's :help license)
" Last Change:
" 2024 Jan 08 by Vim Project: fix a few problems (#138331, #12637, #8109)
" 2024 Feb 19 by Vim Project: announce adoption
" 2024 Nov 11 by Vim Project: support permissions (#7379)
" 2025 Feb 06 by Vim Project: add support for lz4 (#16591)
" 2025 Feb 28 by Vim Project: add support for bzip3 (#16755)
" 2025 Mar 01 by Vim Project: fix syntax error in tar#Read()
" 2025 Mar 02 by Vim Project: escape the filename before using :read
" 2025 Mar 02 by Vim Project: determine the compression using readblob()
" instead of shelling out to file(1)
" 2025 Apr 16 by Vim Project: decouple from netrw by adding s:WinPath()
" 2025 May 19 by Vim Project: restore working directory after read/write
" 2025 Jul 13 by Vim Project: warn with path traversal attacks
" 2025 Jul 16 by Vim Project: update minimum vim version
"
" Contains many ideas from Michael Toren's <tar.vim>
"
" Copyright: Copyright (C) 2005-2017 Charles E. Campbell {{{1
" Permission is hereby granted to use and distribute this code,
" with or without modifications, provided that this copyright
" notice is copied with it. Like anything else that's free,
" tar.vim and tarPlugin.vim are provided *as is* and comes
" with no warranty of any kind, either expressed or implied.
" By using this plugin, you agree that in no event will the
" copyright holder be liable for any damages resulting from
" the use of this software.
" ---------------------------------------------------------------------
" Load Once: {{{1
if &cp || exists("g:loaded_tar")
finish
endif
let g:loaded_tar= "v32b"
if v:versionlong < 9011024
echohl WarningMsg
echo "***warning*** this version of tar needs vim 9.1.1024"
echohl Normal
finish
endif
let s:keepcpo= &cpo
set cpo&vim
" ---------------------------------------------------------------------
" Default Settings: {{{1
if !exists("g:tar_browseoptions")
let g:tar_browseoptions= "tf"
endif
if !exists("g:tar_readoptions")
let g:tar_readoptions= "pxf"
endif
if !exists("g:tar_cmd")
let g:tar_cmd= "tar"
endif
if !exists("g:tar_writeoptions")
let g:tar_writeoptions= "uf"
endif
if !exists("g:tar_delfile")
" Note: not supported on BSD
let g:tar_delfile="--delete -f"
endif
if !exists("g:netrw_cygwin")
if has("win32") || has("win95") || has("win64") || has("win16")
if &shell =~ '\%(\<bash\>\|\<zsh\>\)\%(\.exe\)\=$'
let g:netrw_cygwin= 1
else
let g:netrw_cygwin= 0
endif
else
let g:netrw_cygwin= 0
endif
endif
if !exists("g:tar_copycmd")
if !exists("g:netrw_localcopycmd")
if has("win32") || has("win95") || has("win64") || has("win16")
if g:netrw_cygwin
let g:netrw_localcopycmd= "cp"
else
let g:netrw_localcopycmd= "copy"
endif
elseif has("unix") || has("macunix")
let g:netrw_localcopycmd= "cp"
else
let g:netrw_localcopycmd= ""
endif
endif
let g:tar_copycmd= g:netrw_localcopycmd
endif
if !exists("g:tar_extractcmd")
let g:tar_extractcmd= "tar -pxf"
endif
" set up shell quoting character
if !exists("g:tar_shq")
if exists("+shq") && exists("&shq") && &shq != ""
let g:tar_shq= &shq
elseif has("win32") || has("win95") || has("win64") || has("win16")
if exists("g:netrw_cygwin") && g:netrw_cygwin
let g:tar_shq= "'"
else
let g:tar_shq= '"'
endif
else
let g:tar_shq= "'"
endif
endif
let g:tar_secure=' -- '
let g:tar_leading_pat='^\%([.]\{,2\}/\)\+'
" ----------------
" Functions: {{{1
" ----------------
" ---------------------------------------------------------------------
" s:Msg: {{{2
fun! s:Msg(func, severity, msg)
redraw!
if a:severity =~? 'error'
echohl Error
else
echohl WarningMsg
endif
echo $"***{a:severity}*** ({a:func}) {a:msg}"
echohl None
endfunc
" ---------------------------------------------------------------------
" tar#Browse: {{{2
fun! tar#Browse(tarfile)
let repkeep= &report
set report=10
" sanity checks
if !executable(g:tar_cmd)
call s:Msg('tar#Browse', 'error', $"{g:tar_cmd} not available on your system")
let &report= repkeep
return
endif
if !filereadable(a:tarfile)
if a:tarfile !~# '^\a\+://'
" if it's an url, don't complain, let url-handlers such as vim do its thing
call s:Msg('tar#Browse', 'error', $"File not readable<{a:tarfile}>")
endif
let &report= repkeep
return
endif
if &ma != 1
set ma
endif
let b:tarfile= a:tarfile
setlocal noswapfile
setlocal buftype=nofile
setlocal bufhidden=hide
setlocal nobuflisted
setlocal nowrap
set ft=tar
" give header
let lastline= line("$")
call setline(lastline+1,'" tar.vim version '.g:loaded_tar)
call setline(lastline+2,'" Browsing tarfile '.a:tarfile)
call setline(lastline+3,'" Select a file with cursor and press ENTER, "x" to extract a file')
keepj $put =''
keepj sil! 0d
keepj $
let tarfile= a:tarfile
if has("win32unix") && executable("cygpath")
" assuming cygwin
let tarfile=substitute(system("cygpath -u ".shellescape(tarfile,0)),'\n$','','e')
endif
let curlast= line("$")
if tarfile =~# '\.\(gz\)$'
exe "sil! r! gzip -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - "
elseif tarfile =~# '\.\(tgz\)$' || tarfile =~# '\.\(tbz\)$' || tarfile =~# '\.\(txz\)$' ||
\ tarfile =~# '\.\(tzst\)$' || tarfile =~# '\.\(tlz4\)$'
let header= s:Header(tarfile)
if header =~? 'bzip2'
exe "sil! r! bzip2 -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - "
elseif header =~? 'bzip3'
exe "sil! r! bzip3 -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - "
elseif header =~? 'xz'
exe "sil! r! xz -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - "
elseif header =~? 'zstd'
exe "sil! r! zstd --decompress --stdout -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - "
elseif header =~? 'lz4'
exe "sil! r! lz4 --decompress --stdout -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - "
elseif header =~? 'gzip'
exe "sil! r! gzip -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - "
endif
elseif tarfile =~# '\.lrp'
exe "sil! r! cat -- ".shellescape(tarfile,1)."|gzip -d -c -|".g:tar_cmd." -".g:tar_browseoptions." - "
elseif tarfile =~# '\.\(bz2\|tbz\|tb2\)$'
exe "sil! r! bzip2 -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - "
elseif tarfile =~# '\.\(bz3\|tb3\)$'
exe "sil! r! bzip3 -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - "
elseif tarfile =~# '\.\(lzma\|tlz\)$'
exe "sil! r! lzma -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - "
elseif tarfile =~# '\.\(xz\|txz\)$'
exe "sil! r! xz --decompress --stdout -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - "
elseif tarfile =~# '\.\(zst\|tzst\)$'
exe "sil! r! zstd --decompress --stdout -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - "
elseif tarfile =~# '\.\(lz4\|tlz4\)$'
exe "sil! r! lz4 --decompress --stdout -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - "
else
if tarfile =~ '^\s*-'
" A file name starting with a dash is taken as an option. Prepend ./ to avoid that.
let tarfile = substitute(tarfile, '-', './-', '')
endif
exe "sil! r! ".g:tar_cmd." -".g:tar_browseoptions." ".shellescape(tarfile,1)
endif
if v:shell_error != 0
call s:Msg('tar#Browse', 'warning', $"please check your g:tar_browseoptions '<{g:tar_browseoptions}>'")
return
endif
" remove tar: Removing leading '/' from member names
" Note: the message could be localized
if search('^tar: ') > 0 || search(g:tar_leading_pat) > 0
call append(3,'" Note: Path Traversal Attack detected!')
let b:leading_slash = 1
" remove the message output
sil g/^tar: /d
endif
" set up maps supported for tar
setlocal noma nomod ro
noremap <silent> <buffer> <cr> :call <SID>TarBrowseSelect()<cr>
noremap <silent> <buffer> x :call tar#Extract()<cr>
if &mouse != ""
noremap <silent> <buffer> <leftmouse> <leftmouse>:call <SID>TarBrowseSelect()<cr>
endif
let &report= repkeep
endfun
" ---------------------------------------------------------------------
" TarBrowseSelect: {{{2
fun! s:TarBrowseSelect()
let repkeep= &report
set report=10
let fname= getline(".")
let ls= get(b:, 'leading_slash', 0)
" sanity check
if fname =~ '^"'
let &report= repkeep
return
endif
" about to make a new window, need to use b:tarfile
let tarfile= b:tarfile
let curfile= expand("%")
if has("win32unix") && executable("cygpath")
" assuming cygwin
let tarfile=substitute(system("cygpath -u ".shellescape(tarfile,0)),'\n$','','e')
endif
" open a new window (tar#Read will read a file into it)
noswapfile new
if !exists("g:tar_nomax") || g:tar_nomax == 0
wincmd _
endif
let s:tblfile_{winnr()}= curfile
let b:leading_slash= ls
call tar#Read("tarfile:".tarfile.'::'.fname)
filetype detect
set nomod
exe 'com! -buffer -nargs=? -complete=file TarDiff :call tar#Diff(<q-args>,"'.fnameescape(fname).'")'
let &report= repkeep
endfun
" ---------------------------------------------------------------------
" tar#Read: {{{2
fun! tar#Read(fname)
let repkeep= &report
set report=10
let tarfile = substitute(a:fname,'tarfile:\(.\{-}\)::.*$','\1','')
let fname = substitute(a:fname,'tarfile:.\{-}::\(.*\)$','\1','')
" be careful not to execute special crafted files
let escape_file = fname->substitute(g:tar_leading_pat, '', '')->fnameescape()
let curdir= getcwd()
let b:curdir= curdir
let tmpdir= tempname()
let b:tmpdir= tmpdir
if tmpdir =~ '\.'
let tmpdir= substitute(tmpdir,'\.[^.]*$','','e')
endif
call mkdir(tmpdir,"p")
" attempt to change to the indicated directory
try
exe "lcd ".fnameescape(tmpdir)
catch /^Vim\%((\a\+)\)\=:E344/
call s:Msg('tar#Read', 'error', "cannot lcd to temporary directory")
let &report= repkeep
return
endtry
" place temporary files under .../_ZIPVIM_/
if isdirectory("_ZIPVIM_")
call s:Rmdir("_ZIPVIM_")
endif
call mkdir("_ZIPVIM_")
lcd _ZIPVIM_
if has("win32unix") && executable("cygpath")
" assuming cygwin
let tarfile=substitute(system("cygpath -u ".shellescape(tarfile,0)),'\n$','','e')
endif
if fname =~ '\.bz2$' && executable("bzcat")
let decmp= "|bzcat"
let doro = 1
elseif fname =~ '\.bz3$' && executable("bz3cat")
let decmp= "|bz3cat"
let doro = 1
elseif fname =~ '\.t\=gz$' && executable("zcat")
let decmp= "|zcat"
let doro = 1
elseif fname =~ '\.lzma$' && executable("lzcat")
let decmp= "|lzcat"
let doro = 1
elseif fname =~ '\.xz$' && executable("xzcat")
let decmp= "|xzcat"
let doro = 1
elseif fname =~ '\.zst$' && executable("zstdcat")
let decmp= "|zstdcat"
let doro = 1
elseif fname =~ '\.lz4$' && executable("lz4cat")
let decmp= "|lz4cat"
let doro = 1
else
let decmp=""
let doro = 0
if fname =~ '\.bz2$\|\.bz3$\|\.gz$\|\.lzma$\|\.xz$\|\.zip$\|\.Z$'
setlocal bin
endif
endif
if tarfile =~# '\.bz2$'
exe "sil! r! bzip2 -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".g:tar_secure.shellescape(fname,1).decmp
exe "read ".escape_file
elseif tarfile =~# '\.bz3$'
exe "sil! r! bzip3 -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".g:tar_secure.shellescape(fname,1).decmp
exe "read ".escape_file
elseif tarfile =~# '\.\(gz\)$'
exe "sil! r! gzip -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".g:tar_secure.shellescape(fname,1).decmp
exe "read ".escape_file
elseif tarfile =~# '\(\.tgz\|\.tbz\|\.txz\)'
let filekind= s:Header(tarfile)
if filekind =~? "bzip2"
exe "sil! r! bzip2 -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".g:tar_secure.shellescape(fname,1).decmp
exe "read ".escape_file
elseif filekind =~ "bzip3"
exe "sil! r! bzip3 -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".g:tar_secure.shellescape(fname,1).decmp
exe "read ".escape_file
elseif filekind =~? "xz"
exe "sil! r! xz -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".g:tar_secure.shellescape(fname,1).decmp
exe "read ".escape_file
elseif filekind =~? "zstd"
exe "sil! r! zstd --decompress --stdout -- ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".g:tar_secure.shellescape(fname,1).decmp
exe "read ".escape_file
elseif filekind =~? "gzip"
exe "sil! r! gzip -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".g:tar_secure.shellescape(fname,1).decmp
exe "read ".escape_file
endif
elseif tarfile =~# '\.lrp$'
exe "sil! r! cat -- ".shellescape(tarfile,1)." | gzip -d -c - | ".g:tar_cmd." -".g:tar_readoptions." - ".g:tar_secure.shellescape(fname,1).decmp
exe "read ".escape_file
elseif tarfile =~# '\.lzma$'
exe "sil! r! lzma -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".g:tar_secure.shellescape(fname,1).decmp
exe "read ".escape_file
elseif tarfile =~# '\.\(xz\|txz\)$'
exe "sil! r! xz --decompress --stdout -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_readoptions." - ".g:tar_secure.shellescape(fname,1).decmp
exe "read ".escape_file
elseif tarfile =~# '\.\(lz4\|tlz4\)$'
exe "sil! r! lz4 --decompress --stdout -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_readoptions." - ".g:tar_secure.shellescape(fname,1).decmp
exe "read ".escape_file
else
if tarfile =~ '^\s*-'
" A file name starting with a dash is taken as an option. Prepend ./ to avoid that.
let tarfile = substitute(tarfile, '-', './-', '')
endif
exe "silent r! ".g:tar_cmd." -".g:tar_readoptions.shellescape(tarfile,1)." ".g:tar_secure.shellescape(fname,1).decmp
exe "read ".escape_file
endif
if get(b:, 'leading_slash', 0)
sil g/^tar: /d
endif
redraw!
if v:shell_error != 0
lcd ..
call s:Rmdir("_ZIPVIM_")
exe "lcd ".fnameescape(curdir)
call s:Msg('tar#Read', 'error', $"sorry, unable to open or extract {tarfile} with {fname}")
endif
if doro
" because the reverse process of compressing changed files back into the tarball is not currently supported
setlocal ro
endif
let b:tarfile= a:fname
" cleanup
keepj sil! 0d
set nomod
let &report= repkeep
exe "lcd ".fnameescape(curdir)
silent exe "file tarfile::". fname->fnameescape()
endfun
" ---------------------------------------------------------------------
" tar#Write: {{{2
fun! tar#Write(fname)
let pwdkeep= getcwd()
let repkeep= &report
set report=10
let curdir= b:curdir
let tmpdir= b:tmpdir
" sanity checks
if !executable(g:tar_cmd)
redraw!
let &report= repkeep
return
endif
let tarfile = substitute(b:tarfile,'tarfile:\(.\{-}\)::.*$','\1','')
let fname = substitute(b:tarfile,'tarfile:.\{-}::\(.*\)$','\1','')
if get(b:, 'leading_slash', 0)
call s:Msg('tar#Write', 'error', $"sorry, not attempting to update {tarfile} with {fname}")
let &report= repkeep
return
endif
if !isdirectory(fnameescape(tmpdir))
call mkdir(fnameescape(tmpdir), 'p')
endif
exe $"lcd {fnameescape(tmpdir)}"
if isdirectory("_ZIPVIM_")
call s:Rmdir("_ZIPVIM_")
endif
call mkdir("_ZIPVIM_")
lcd _ZIPVIM_
let dir = fnamemodify(fname, ':p:h')
if dir !~# '_ZIPVIM_$'
call mkdir(dir)
endif
" handle compressed archives
if tarfile =~# '\.bz2'
call system("bzip2 -d -- ".shellescape(tarfile,0))
let tarfile = substitute(tarfile,'\.bz2','','e')
let compress= "bzip2 -- ".shellescape(tarfile,0)
elseif tarfile =~# '\.bz3'
call system("bzip3 -d -- ".shellescape(tarfile,0))
let tarfile = substitute(tarfile,'\.bz3','','e')
let compress= "bzip3 -- ".shellescape(tarfile,0)
elseif tarfile =~# '\.gz'
call system("gzip -d -- ".shellescape(tarfile,0))
let tarfile = substitute(tarfile,'\.gz','','e')
let compress= "gzip -- ".shellescape(tarfile,0)
elseif tarfile =~# '\.tgz'
call system("gzip -d -- ".shellescape(tarfile,0))
let tarfile = substitute(tarfile,'\.tgz','.tar','e')
let compress= "gzip -- ".shellescape(tarfile,0)
let tgz = 1
elseif tarfile =~# '\.xz'
call system("xz -d -- ".shellescape(tarfile,0))
let tarfile = substitute(tarfile,'\.xz','','e')
let compress= "xz -- ".shellescape(tarfile,0)
elseif tarfile =~# '\.zst'
call system("zstd --decompress --rm -- ".shellescape(tarfile,0))
let tarfile = substitute(tarfile,'\.zst','','e')
let compress= "zstd --rm -- ".shellescape(tarfile,0)
elseif tarfile =~# '\.lz4'
call system("lz4 --decompress --rm -- ".shellescape(tarfile,0))
let tarfile = substitute(tarfile,'\.lz4','','e')
let compress= "lz4 --rm -- ".shellescape(tarfile,0)
elseif tarfile =~# '\.lzma'
call system("lzma -d -- ".shellescape(tarfile,0))
let tarfile = substitute(tarfile,'\.lzma','','e')
let compress= "lzma -- ".shellescape(tarfile,0)
endif
" Note: no support for name.tar.tbz/.txz/.tgz/.tlz4/.tzst
if v:shell_error != 0
call s:Msg('tar#Write', 'error', $"sorry, unable to update {tarfile} with {fname}")
else
if fname =~ '/'
let dirpath = substitute(fname,'/[^/]\+$','','e')
if has("win32unix") && executable("cygpath")
let dirpath = substitute(system("cygpath ".shellescape(dirpath, 0)),'\n','','e')
endif
call mkdir(dirpath,"p")
endif
if tarfile !~ '/'
let tarfile= curdir.'/'.tarfile
endif
if tarfile =~ '^\s*-'
" A file name starting with a dash may be taken as an option. Prepend ./ to avoid that.
let tarfile = substitute(tarfile, '-', './-', '')
endif
" don't overwrite a file forcefully
exe "w ".fnameescape(fname)
if has("win32unix") && executable("cygpath")
let tarfile = substitute(system("cygpath ".shellescape(tarfile,0)),'\n','','e')
endif
" delete old file from tarfile
" Note: BSD tar does not support --delete flag
call system(g:tar_cmd." ".g:tar_delfile." ".shellescape(tarfile,0).g:tar_secure.shellescape(fname,0))
if v:shell_error != 0
call s:Msg('tar#Write', 'error', $"sorry, unable to update {fnameescape(tarfile)} with {fnameescape(fname)} --delete not supported?")
else
" update tarfile with new file
call system(g:tar_cmd." -".g:tar_writeoptions." ".shellescape(tarfile,0).g:tar_secure.shellescape(fname,0))
if v:shell_error != 0
call s:Msg('tar#Write', 'error', $"sorry, unable to update {fnameescape(tarfile)} with {fnameescape(fname)}")
elseif exists("compress")
call system(compress)
if exists("tgz")
call rename(tarfile.".gz",substitute(tarfile,'\.tar$','.tgz','e'))
endif
endif
endif
" support writing tarfiles across a network
if s:tblfile_{winnr()} =~ '^\a\+://'
let tblfile= s:tblfile_{winnr()}
1split|noswapfile enew
let binkeep= &l:binary
let eikeep = &ei
set binary ei=all
exe "noswapfile e! ".fnameescape(tarfile)
call netrw#NetWrite(tblfile)
let &ei = eikeep
let &l:binary = binkeep
q!
unlet s:tblfile_{winnr()}
endif
endif
" cleanup and restore current directory
lcd ..
call s:Rmdir("_ZIPVIM_")
exe "lcd ".fnameescape(pwdkeep)
setlocal nomod
let &report= repkeep
endfun
" ---------------------------------------------------------------------
" tar#Diff: {{{2
fun! tar#Diff(userfname,fname)
let fname= a:fname
if a:userfname != ""
let fname= a:userfname
endif
exe "lcd ".fnameescape(b:tmpdir). '/_ZIPVIM_'
if filereadable(fname)
" sets current file (from tarball) for diff'ing
" splits window vertically
" opens original file, sets it for diff'ing
" sets up b:tardiff_otherbuf variables so each buffer knows about the other (for closing purposes)
diffthis
wincmd v
exe "noswapfile e ".fnameescape(fname)
diffthis
else
redraw!
echo "***warning*** unable to read file<".fname.">"
endif
endfun
" ---------------------------------------------------------------------
" tar#Extract: extract a file from a (possibly compressed) tar archive {{{2
fun! tar#Extract()
let repkeep= &report
set report=10
let fname= getline(".")
" sanity check
if fname =~ '^"'
let &report= repkeep
return
endif
let tarball = expand("%")
let tarbase = substitute(tarball,'\..*$','','')
let extractcmd= s:WinPath(g:tar_extractcmd)
if filereadable(tarbase.".tar")
call system(extractcmd." ".shellescape(tarbase).".tar ".shellescape(fname))
if v:shell_error != 0
call s:Msg('tar#Extract', 'error', $"{extractcmd} {tarbase}.tar {fname}: failed!")
else
echo "***note*** successfully extracted ". fname
endif
elseif filereadable(tarbase.".tgz")
let extractcmd= substitute(extractcmd,"-","-z","")
call system(extractcmd." ".shellescape(tarbase).".tgz ".shellescape(fname))
if v:shell_error != 0
call s:Msg('tar#Extract', 'error', $"{extractcmd} {tarbase}.tgz {fname}: failed!")
else
echo "***note*** successfully extracted ".fname
endif
elseif filereadable(tarbase.".tar.gz")
let extractcmd= substitute(extractcmd,"-","-z","")
call system(extractcmd." ".shellescape(tarbase).".tar.gz ".shellescape(fname))
if v:shell_error != 0
call s:Msg('tar#Extract', 'error', $"{extractcmd} {tarbase}.tar.gz {fname}: failed!")
else
echo "***note*** successfully extracted ".fname
endif
elseif filereadable(tarbase.".tbz")
let extractcmd= substitute(extractcmd,"-","-j","")
call system(extractcmd." ".shellescape(tarbase).".tbz ".shellescape(fname))
if v:shell_error != 0
call s:Msg('tar#Extract', 'error', $"{extractcmd} {tarbase}.tbz {fname}: failed!")
else
echo "***note*** successfully extracted ".fname
endif
elseif filereadable(tarbase.".tar.bz2")
let extractcmd= substitute(extractcmd,"-","-j","")
call system(extractcmd." ".shellescape(tarbase).".tar.bz2 ".shellescape(fname))
if v:shell_error != 0
call s:Msg('tar#Extract', 'error', $"{extractcmd} {tarbase}.tar.bz2 {fname}: failed!")
else
echo "***note*** successfully extracted ".fname
endif
elseif filereadable(tarbase.".tar.bz3")
let extractcmd= substitute(extractcmd,"-","-j","")
call system(extractcmd." ".shellescape(tarbase).".tar.bz3 ".shellescape(fname))
if v:shell_error != 0
call s:Msg('tar#Extract', 'error', $"{extractcmd} {tarbase}.tar.bz3 {fname}: failed!")
else
echo "***note*** successfully extracted ".fname
endif
elseif filereadable(tarbase.".txz")
let extractcmd= substitute(extractcmd,"-","-J","")
call system(extractcmd." ".shellescape(tarbase).".txz ".shellescape(fname))
if v:shell_error != 0
call s:Msg('tar#Extract', 'error', $"{extractcmd} {tarbase}.txz {fname}: failed!")
else
echo "***note*** successfully extracted ".fname
endif
elseif filereadable(tarbase.".tar.xz")
let extractcmd= substitute(extractcmd,"-","-J","")
call system(extractcmd." ".shellescape(tarbase).".tar.xz ".shellescape(fname))
if v:shell_error != 0
call s:Msg('tar#Extract', 'error', $"{extractcmd} {tarbase}.tar.xz {fname}: failed!")
else
echo "***note*** successfully extracted ".fname
endif
elseif filereadable(tarbase.".tzst")
let extractcmd= substitute(extractcmd,"-","--zstd","")
call system(extractcmd." ".shellescape(tarbase).".tzst ".shellescape(fname))
if v:shell_error != 0
call s:Msg('tar#Extract', 'error', $"{extractcmd} {tarbase}.tzst {fname}: failed!")
else
echo "***note*** successfully extracted ".fname
endif
elseif filereadable(tarbase.".tar.zst")
let extractcmd= substitute(extractcmd,"-","--zstd","")
call system(extractcmd." ".shellescape(tarbase).".tar.zst ".shellescape(fname))
if v:shell_error != 0
call s:Msg('tar#Extract', 'error', $"{extractcmd} {tarbase}.tar.zst {fname}: failed!")
else
echo "***note*** successfully extracted ".fname
endif
elseif filereadable(tarbase.".tlz4")
let extractcmd= substitute(extractcmd,"-","-I lz4","")
call system(extractcmd." ".shellescape(tarbase).".tlz4 ".shellescape(fname))
if v:shell_error != 0
call s:Msg('tar#Extract', 'error', $"{extractcmd} {tarbase}.tlz4 {fname}: failed!")
else
echo "***note*** successfully extracted ".fname
endif
elseif filereadable(tarbase.".tar.lz4")
let extractcmd= substitute(extractcmd,"-","-I lz4","")
call system(extractcmd." ".shellescape(tarbase).".tar.lz4".shellescape(fname))
if v:shell_error != 0
call s:Msg('tar#Extract', 'error', $"{extractcmd} {tarbase}.tar.lz4 {fname}: failed!")
else
echo "***note*** successfully extracted ".fname
endif
endif
" restore option
let &report= repkeep
endfun
" ---------------------------------------------------------------------
" s:Rmdir: {{{2
fun! s:Rmdir(fname)
call delete(a:fname, 'rf')
endfun
" s:FileHeader: {{{2
fun! s:Header(fname)
let header= readblob(a:fname, 0, 6)
if header[0:2] == str2blob(['BZh']) " bzip2 header
return "bzip2"
elseif header[0:2] == str2blob(['BZ3']) " bzip3 header
return "bzip3"
elseif header == str2blob(["\3757zXZ\n"]) " xz header
return "xz"
elseif header[0:3] == str2blob(["\x28\xB5\x2F\xFD"]) " zstd header
return "zstd"
elseif header[0:3] == str2blob(["\004\"M\030"]) " lz4 header
return "lz4"
elseif (header[0:1] == str2blob(["\037\235"]) ||
\ header[0:1] == str2blob(["\037\213"]) ||
\ header[0:1] == str2blob(["\037\236"]) ||
\ header[0:1] == str2blob(["\037\240"]) ||
\ header[0:1] == str2blob(["\037\036"]))
return "gzip"
endif
return "unknown"
endfun
" ---------------------------------------------------------------------
" s:WinPath: {{{2
fun! s:WinPath(path)
if (!g:netrw_cygwin || &shell !~ '\%(\<bash\>\|\<zsh\>\)\%(\.exe\)\=$') && has("win32")
" remove cygdrive prefix, if present
let path = substitute(a:path, '/cygdrive/\(.\)', '\1:', '')
" remove trailing slash (Win95)
let path = substitute(path, '\(\\\|/\)$', '', 'g')
" remove escaped spaces
let path = substitute(path, '\ ', ' ', 'g')
" convert slashes to backslashes
let path = substitute(path, '/', '\', 'g')
else
let path = a:path
endif
return path
endfun
" ---------------------------------------------------------------------
" tar#Vimuntar: installs a tarball in the user's .vim / vimfiles directory {{{2
fun! tar#Vimuntar(...)
let tarball = expand("%")
let tarbase = substitute(tarball,'\..*$','','')
let tarhome = expand("%:p")
if has("win32") || has("win95") || has("win64") || has("win16")
let tarhome= substitute(tarhome,'\\','/','g')
endif
let tarhome= substitute(tarhome,'/[^/]*$','','')
let tartail = expand("%:t")
let curdir = getcwd()
" set up vimhome
if a:0 > 0 && a:1 != ""
let vimhome= a:1
else
let vimhome= vimball#VimballHome()
endif
if simplify(curdir) != simplify(vimhome)
" copy (possibly compressed) tarball to .vim/vimfiles
call system(s:WinPath(g:tar_copycmd)." ".shellescape(tartail)." ".shellescape(vimhome))
exe "lcd ".fnameescape(vimhome)
endif
" if necessary, decompress the tarball; then, extract it
if tartail =~ '\.tgz'
if executable("gunzip")
silent exe "!gunzip ".shellescape(tartail)
elseif executable("gzip")
silent exe "!gzip -d ".shellescape(tartail)
else
echoerr "unable to decompress<".tartail."> on this system"
if simplify(curdir) != simplify(tarhome)
" remove decompressed tarball, restore directory
call delete(tartail.".tar")
exe "lcd ".fnameescape(curdir)
endif
return
endif
else
call vimball#Decompress(tartail,0)
endif
let extractcmd= s:WinPath(g:tar_extractcmd)
call system(extractcmd." ".shellescape(tarbase.".tar"))
" set up help
if filereadable("doc/".tarbase.".txt")
exe "helptags ".getcwd()."/doc"
endif
if simplify(tarhome) != simplify(vimhome)
" remove decompressed tarball, restore directory
call delete(vimhome."/".tarbase.".tar")
exe "lcd ".fnameescape(curdir)
endif
endfun
" =====================================================================
" Modelines And Restoration: {{{1
let &cpo= s:keepcpo
unlet s:keepcpo
" vim:ts=8 fdm=marker