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+" tar.vim: Handles browsing tarfiles
+" AUTOLOAD PORTION
+" Date: Aug 09, 2010
+" Version: 26
+" Maintainer: Charles E Campbell, Jr <NdrOchip@ScampbellPfamily.AbizM-NOSPAM>
+" License: Vim License (see vim's :help license)
+"
+" Contains many ideas from Michael Toren's <tar.vim>
+"
+" Copyright: Copyright (C) 2005-2009 Charles E. Campbell, Jr. {{{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.
+" call inputsave()|call input("Press <cr> to continue")|call inputrestore()
+" ---------------------------------------------------------------------
+" Load Once: {{{1
+if &cp || exists("g:loaded_tar")
+ finish
+endif
+let g:loaded_tar= "v26"
+if v:version < 702
+ echohl WarningMsg
+ echo "***warning*** this version of tar needs vim 7.2"
+ echohl Normal
+ finish
+endif
+let s:keepcpo= &cpo
+set cpo&vim
+"call Decho("loading autoload/tar.vim")
+
+" ---------------------------------------------------------------------
+" Default Settings: {{{1
+if !exists("g:tar_browseoptions")
+ let g:tar_browseoptions= "Ptf"
+endif
+if !exists("g:tar_readoptions")
+ let g:tar_readoptions= "OPxf"
+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_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:netrw_cygwin")
+ if has("win32") || has("win95") || has("win64") || has("win16")
+ if &shell =~ '\%(\<bash\>\|\<zsh\>\)\%(\.exe\)\=$'
+ let g:netrw_cygwin= 1
+ else
+ let g:netrw_cygwin= 0
+ endif
+ else
+ let g:netrw_cygwin= 0
+ endif
+endif
+if !exists("g:tar_extractcmd")
+ let g:tar_extractcmd= "tar -xf"
+endif
+
+" set up shell quoting character
+if !exists("g:tar_shq")
+ if exists("&shq") && &shq != ""
+ let g:tar_shq= &shq
+ elseif has("win32") || has("win95") || has("win64") || has("win16")
+ if exists("g:netrw_cygwin") && g:netrw_cygwin
+ let g:tar_shq= "'"
+ else
+ let g:tar_shq= '"'
+ endif
+ else
+ let g:tar_shq= "'"
+ endif
+" call Decho("g:tar_shq<".g:tar_shq.">")
+endif
+
+" ----------------
+" Functions: {{{1
+" ----------------
+
+" ---------------------------------------------------------------------
+" tar#Browse: {{{2
+fun! tar#Browse(tarfile)
+" call Dfunc("tar#Browse(tarfile<".a:tarfile.">)")
+ let repkeep= &report
+ set report=10
+
+ " sanity checks
+ if !executable(g:tar_cmd)
+ redraw!
+ echohl Error | echo '***error*** (tar#Browse) "'.g:tar_cmd.'" not available on your system'
+ let &report= repkeep
+" call Dret("tar#Browse")
+ return
+ endif
+ if !filereadable(a:tarfile)
+" call Decho('a:tarfile<'.a:tarfile.'> not filereadable')
+ if a:tarfile !~# '^\a\+://'
+ " if its an url, don't complain, let url-handlers such as vim do its thing
+ redraw!
+ echohl Error | echo "***error*** (tar#Browse) File not readable<".a:tarfile.">" | echohl None
+ endif
+ let &report= repkeep
+" call Dret("tar#Browse : file<".a:tarfile."> not readable")
+ return
+ endif
+ if &ma != 1
+ set ma
+ endif
+ let b:tarfile= a:tarfile
+
+ setlocal noswapfile
+ setlocal buftype=nofile
+ setlocal bufhidden=hide
+ setlocal nobuflisted
+ setlocal nowrap
+ set ft=tar
+
+ " give header
+" call Decho("printing header")
+ let lastline= line("$")
+ 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')
+ $put =''
+ 0d
+ $
+
+ let tarfile= a:tarfile
+ if has("win32") && executable("cygpath")
+ " assuming cygwin
+ let tarfile=substitute(system("cygpath -u ".shellescape(tarfile,0)),'\n$','','e')
+ endif
+ let curlast= line("$")
+ if tarfile =~# '\.\(gz\|tgz\)$'
+" call Decho("1: exe silent r! gzip -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - ")
+ exe "silent r! gzip -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - "
+ elseif tarfile =~# '\.lrp'
+" call Decho("2: exe silent r! cat -- ".shellescape(tarfile,1)."|gzip -d -c -|".g:tar_cmd." -".g:tar_browseoptions." - ")
+ exe "silent r! cat -- ".shellescape(tarfile,1)."|gzip -d -c -|".g:tar_cmd." -".g:tar_browseoptions." - "
+ elseif tarfile =~# '\.bz2$'
+" call Decho("3: exe silent r! bzip2 -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - ")
+ exe "silent r! bzip2 -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - "
+ elseif tarfile =~# '\.lzma$'
+" call Decho("3: exe silent r! lzma -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - ")
+ exe "silent r! lzma -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - "
+ elseif tarfile =~# '\.\(xz\|txz\)$'
+" call Decho("3: exe silent r! xz --decompress --stdout -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - ")
+ exe "silent r! xz --decompress --stdout -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - "
+ else
+ if tarfile =~ '^\s*-'
+ " A file name starting with a dash is taken as an option. Prepend ./ to avoid that.
+ let tarfile = substitute(tarfile, '-', './-', '')
+ endif
+" call Decho("4: exe silent r! ".g:tar_cmd." -".g:tar_browseoptions." ".shellescape(tarfile,0))
+ exe "silent r! ".g:tar_cmd." -".g:tar_browseoptions." ".shellescape(tarfile,1)
+ endif
+ if v:shell_error != 0
+ redraw!
+ echohl WarningMsg | echo "***warning*** (tar#Browse) please check your g:tar_browseoptions<".g:tar_browseoptions.">"
+" call Dret("tar#Browse : a:tarfile<".a:tarfile.">")
+ return
+ endif
+ if line("$") == curlast || ( line("$") == (curlast + 1) && getline("$") =~ '\c\%(warning\|error\|inappropriate\|unrecognized\)')
+ redraw!
+ echohl WarningMsg | echo "***warning*** (tar#Browse) ".a:tarfile." doesn't appear to be a tar file" | echohl None
+ silent %d
+ let eikeep= &ei
+ set ei=BufReadCmd,FileReadCmd
+ exe "r ".fnameescape(a:tarfile)
+ let &ei= eikeep
+ 1d
+" call Dret("tar#Browse : a:tarfile<".a:tarfile.">")
+ return
+ endif
+
+ setlocal noma nomod ro
+ noremap <silent> <buffer> <cr> :call <SID>TarBrowseSelect()<cr>
+
+ let &report= repkeep
+" call Dret("tar#Browse : b:tarfile<".b:tarfile.">")
+endfun
+
+" ---------------------------------------------------------------------
+" TarBrowseSelect: {{{2
+fun! s:TarBrowseSelect()
+" call Dfunc("TarBrowseSelect() b:tarfile<".b:tarfile."> curfile<".expand("%").">")
+ let repkeep= &report
+ set report=10
+ let fname= getline(".")
+" call Decho("fname<".fname.">")
+
+ if !exists("g:tar_secure") && fname =~ '^\s*-\|\s\+-'
+ redraw!
+ echohl WarningMsg | echo '***warning*** (tar#BrowseSelect) rejecting tarfile member<'.fname.'> because of embedded "-"'
+" call Dret('tar#BrowseSelect : rejecting tarfile member<'.fname.'> because of embedded "-"')
+ return
+ endif
+
+ " sanity check
+ if fname =~ '^"'
+ let &report= repkeep
+" call Dret("TarBrowseSelect")
+ return
+ endif
+
+ " about to make a new window, need to use b:tarfile
+ let tarfile= b:tarfile
+ let curfile= expand("%")
+ if has("win32") && executable("cygpath")
+ " assuming cygwin
+ let tarfile=substitute(system("cygpath -u ".shellescape(tarfile,0)),'\n$','','e')
+ endif
+
+ new
+ if !exists("g:tar_nomax") || g:tar_nomax == 0
+ wincmd _
+ endif
+ let s:tblfile_{winnr()}= curfile
+ call tar#Read("tarfile:".tarfile.'::'.fname,1)
+ filetype detect
+
+ let &report= repkeep
+" call Dret("TarBrowseSelect : s:tblfile_".winnr()."<".s:tblfile_{winnr()}.">")
+endfun
+
+" ---------------------------------------------------------------------
+" tar#Read: {{{2
+fun! tar#Read(fname,mode)
+" call Dfunc("tar#Read(fname<".a:fname.">,mode=".a:mode.")")
+ let repkeep= &report
+ set report=10
+ let tarfile = substitute(a:fname,'tarfile:\(.\{-}\)::.*$','\1','')
+ let fname = substitute(a:fname,'tarfile:.\{-}::\(.*\)$','\1','')
+ if has("win32") && executable("cygpath")
+ " assuming cygwin
+ let tarfile=substitute(system("cygpath -u ".shellescape(tarfile,0)),'\n$','','e')
+ endif
+" call Decho("tarfile<".tarfile.">")
+" call Decho("fname<".fname.">")
+
+ if fname =~ '\.bz2$' && executable("bzcat")
+ let decmp= "|bzcat"
+ let doro = 1
+ elseif fname =~ '\.gz$' && 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
+ else
+ let decmp=""
+ let doro = 0
+ if fname =~ '\.bz2$\|\.gz$\|\.lzma$\|\.xz$\|\.zip$\|\.Z$'
+ setlocal bin
+ endif
+ endif
+
+ if exists("g:tar_secure")
+ let tar_secure= " -- "
+ else
+ let tar_secure= " "
+ endif
+ if tarfile =~# '\.bz2$'
+" call Decho("7: exe silent r! bzip2 -d -c ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".tar_secure.shellescape(fname,1).decmp)
+ exe "silent r! bzip2 -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".tar_secure.shellescape(fname,1).decmp
+ elseif tarfile =~# '\.\(gz\|tgz\)$'
+" call Decho("5: exe silent r! gzip -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd.' -'.g:tar_readoptions.' - '.tar_secure.shellescape(fname,1))
+ exe "silent r! gzip -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".tar_secure.shellescape(fname,1).decmp
+ elseif tarfile =~# '\.lrp$'
+" call Decho("6: exe silent r! cat ".shellescape(tarfile,1)." | gzip -d -c - | ".g:tar_cmd." -".g:tar_readoptions." - ".tar_secure.shellescape(fname,1).decmp)
+ exe "silent r! cat -- ".shellescape(tarfile,1)." | gzip -d -c - | ".g:tar_cmd." -".g:tar_readoptions." - ".tar_secure.shellescape(fname,1).decmp
+ elseif tarfile =~# '\.lzma$'
+" call Decho("7: exe silent r! lzma -d -c ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".tar_secure.shellescape(fname,1).decmp)
+ exe "silent r! lzma -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".tar_secure.shellescape(fname,1).decmp
+ elseif tarfile =~# '\.\(xz\|txz\)$'
+" call Decho("3: exe silent r! xz --decompress --stdout -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_readoptions." - ".tar_secure.shellescape(fname,1).decmp)
+ exe "silent r! xz --decompress --stdout -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_readoptions." - ".tar_secure.shellescape(fname,1).decmp
+ 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
+" call Decho("8: exe silent r! ".g:tar_cmd." -".g:tar_readoptions.tar_secure.shellescape(tarfile,1)." ".shellescape(fname,1).decmp)
+ exe "silent r! ".g:tar_cmd." -".g:tar_readoptions.shellescape(tarfile,1)." ".tar_secure.shellescape(fname,1).decmp
+ 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
+ exe "file tarfile::".fnameescape(fname)
+
+ " cleanup
+ 0d
+ set nomod
+
+ let &report= repkeep
+" call Dret("tar#Read : b:tarfile<".b:tarfile.">")
+endfun
+
+" ---------------------------------------------------------------------
+" tar#Write: {{{2
+fun! tar#Write(fname)
+" call Dfunc("tar#Write(fname<".a:fname.">) b:tarfile<".b:tarfile."> tblfile_".winnr()."<".s:tblfile_{winnr()}.">")
+ let repkeep= &report
+ set report=10
+
+ if !exists("g:tar_secure") && a:fname =~ '^\s*-\|\s\+-'
+ redraw!
+ echohl WarningMsg | echo '***warning*** (tar#Write) rejecting tarfile member<'.a:fname.'> because of embedded "-"'
+" call Dret('tar#Write : rejecting tarfile member<'.fname.'> because of embedded "-"')
+ return
+ endif
+
+ " sanity checks
+ if !executable(g:tar_cmd)
+ redraw!
+ echohl Error | echo '***error*** (tar#Browse) "'.g:tar_cmd.'" not available on your system'
+ let &report= repkeep
+" call Dret("tar#Write")
+ return
+ endif
+ if !exists("*mkdir")
+ redraw!
+ echohl Error | echo "***error*** (tar#Write) sorry, mkdir() doesn't work on your system" | echohl None
+ let &report= repkeep
+" call Dret("tar#Write")
+ return
+ endif
+
+ let curdir= getcwd()
+ let tmpdir= tempname()
+" call Decho("orig tempname<".tmpdir.">")
+ if tmpdir =~ '\.'
+ let tmpdir= substitute(tmpdir,'\.[^.]*$','','e')
+ endif
+" call Decho("tmpdir<".tmpdir.">")
+ call mkdir(tmpdir,"p")
+
+ " attempt to change to the indicated directory
+ try
+ exe "cd ".fnameescape(tmpdir)
+ catch /^Vim\%((\a\+)\)\=:E344/
+ redraw!
+ echohl Error | echo "***error*** (tar#Write) cannot cd to temporary directory" | Echohl None
+ let &report= repkeep
+" call Dret("tar#Write")
+ return
+ endtry
+" call Decho("current directory now: ".getcwd())
+
+ " place temporary files under .../_ZIPVIM_/
+ if isdirectory("_ZIPVIM_")
+ call s:Rmdir("_ZIPVIM_")
+ endif
+ call mkdir("_ZIPVIM_")
+ cd _ZIPVIM_
+" call Decho("current directory now: ".getcwd())
+
+ let tarfile = substitute(b:tarfile,'tarfile:\(.\{-}\)::.*$','\1','')
+ let fname = substitute(b:tarfile,'tarfile:.\{-}::\(.*\)$','\1','')
+
+ " handle compressed archives
+ if tarfile =~# '\.bz2'
+ call system("bzip2 -d -- ".shellescape(tarfile,0))
+ let tarfile = substitute(tarfile,'\.bz2','','e')
+ let compress= "bzip2 -- ".shellescape(tarfile,0)
+" call Decho("compress<".compress.">")
+ elseif tarfile =~# '\.gz'
+ call system("gzip -d -- ".shellescape(tarfile,0))
+ let tarfile = substitute(tarfile,'\.gz','','e')
+ let compress= "gzip -- ".shellescape(tarfile,0)
+" call Decho("compress<".compress.">")
+ elseif tarfile =~# '\.tgz'
+ call system("gzip -d -- ".shellescape(tarfile,0))
+ let tarfile = substitute(tarfile,'\.tgz','.tar','e')
+ let compress= "gzip -- ".shellescape(tarfile,0)
+ let tgz = 1
+" call Decho("compress<".compress.">")
+ elseif tarfile =~# '\.xz'
+ call system("xz -d -- ".shellescape(tarfile,0))
+ let tarfile = substitute(tarfile,'\.xz','','e')
+ let compress= "xz -- ".shellescape(tarfile,0)
+" call Decho("compress<".compress.">")
+ elseif tarfile =~# '\.lzma'
+ call system("lzma -d -- ".shellescape(tarfile,0))
+ let tarfile = substitute(tarfile,'\.lzma','','e')
+ let compress= "lzma -- ".shellescape(tarfile,0)
+" call Decho("compress<".compress.">")
+ endif
+" call Decho("tarfile<".tarfile.">")
+
+ if v:shell_error != 0
+ redraw!
+ echohl Error | echo "***error*** (tar#Write) sorry, unable to update ".tarfile." with ".fname | echohl None
+ else
+
+" call Decho("tarfile<".tarfile."> fname<".fname.">")
+
+ if fname =~ '/'
+ let dirpath = substitute(fname,'/[^/]\+$','','e')
+ if 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
+" call Decho("tarfile<".tarfile."> fname<".fname.">")
+
+ if exists("g:tar_secure")
+ let tar_secure= " -- "
+ else
+ let tar_secure= " "
+ endif
+ exe "w! ".fnameescape(fname)
+ if executable("cygpath")
+ let tarfile = substitute(system("cygpath ".shellescape(tarfile,0)),'\n','','e')
+ endif
+
+ " delete old file from tarfile
+" call Decho("system(".g:tar_cmd." --delete -f ".shellescape(tarfile,0)." -- ".shellescape(fname,0).")")
+ call system(g:tar_cmd." --delete -f ".shellescape(tarfile,0).tar_secure.shellescape(fname,0))
+ if v:shell_error != 0
+ redraw!
+ echohl Error | echo "***error*** (tar#Write) sorry, unable to update ".fnameescape(tarfile)." with ".fnameescape(fname) | echohl None
+ else
+
+ " update tarfile with new file
+" call Decho(g:tar_cmd." -".g:tar_writeoptions." ".shellescape(tarfile,0).tar_secure.shellescape(fname,0))
+ call system(g:tar_cmd." -".g:tar_writeoptions." ".shellescape(tarfile,0).tar_secure.shellescape(fname,0))
+ if v:shell_error != 0
+ redraw!
+ echohl Error | echo "***error*** (tar#Write) sorry, unable to update ".fnameescape(tarfile)." with ".fnameescape(fname) | echohl None
+ elseif exists("compress")
+" call Decho("call system(".compress.")")
+ call system(compress)
+ if exists("tgz")
+" call Decho("rename(".tarfile.".gz,".substitute(tarfile,'\.tar$','.tgz','e').")")
+ call rename(tarfile.".gz",substitute(tarfile,'\.tar$','.tgz','e'))
+ endif
+ endif
+ endif
+
+ " support writing tarfiles across a network
+ if s:tblfile_{winnr()} =~ '^\a\+://'
+" call Decho("handle writing <".tarfile."> across network to <".s:tblfile_{winnr()}.">")
+ let tblfile= s:tblfile_{winnr()}
+ 1split|enew
+ let binkeep= &l:binary
+ let eikeep = &ei
+ set binary ei=all
+ exe "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
+ cd ..
+ call s:Rmdir("_ZIPVIM_")
+ exe "cd ".fnameescape(curdir)
+ setlocal nomod
+
+ let &report= repkeep
+" call Dret("tar#Write")
+endfun
+
+" ---------------------------------------------------------------------
+" s:Rmdir: {{{2
+fun! s:Rmdir(fname)
+" call Dfunc("Rmdir(fname<".a:fname.">)")
+ if has("unix")
+ call system("/bin/rm -rf -- ".shellescape(a:fname,0))
+ elseif has("win32") || has("win95") || has("win64") || has("win16")
+ if &shell =~? "sh$"
+ call system("/bin/rm -rf -- ".shellescape(a:fname,0))
+ else
+ call system("del /S ".shellescape(a:fname,0))
+ endif
+ endif
+" call Dret("Rmdir")
+endfun
+
+" ---------------------------------------------------------------------
+" tar#Vimuntar: installs a tarball in the user's .vim / vimfiles directory {{{2
+fun! tar#Vimuntar(...)
+" call Dfunc("tar#Vimuntar() a:0=".a:0." a:1<".(exists("a:1")? a:1 : "-n/a-").">")
+ let tarball = expand("%")
+" call Decho("tarball<".tarball.">")
+ let tarbase = substitute(tarball,'\..*$','','')
+" call Decho("tarbase<".tarbase.">")
+ let tarhome = expand("%:p")
+ if has("win32") || has("win95") || has("win64") || has("win16")
+ let tarhome= substitute(tarhome,'\\','/','g')
+ endif
+ let tarhome= substitute(tarhome,'/[^/]*$','','')
+" call Decho("tarhome<".tarhome.">")
+ let tartail = expand("%:t")
+" call Decho("tartail<".tartail.">")
+ let curdir = getcwd()
+" call Decho("curdir <".curdir.">")
+ " set up vimhome
+ if a:0 > 0 && a:1 != ""
+ let vimhome= a:1
+ else
+ let vimhome= vimball#VimballHome()
+ endif
+" call Decho("vimhome<".vimhome.">")
+
+" call Decho("curdir<".curdir."> vimhome<".vimhome.">")
+ if simplify(curdir) != simplify(vimhome)
+ " copy (possibly compressed) tarball to .vim/vimfiles
+" call Decho(netrw#WinPath(g:tar_copycmd)." ".shellescape(tartail)." ".shellescape(vimhome))
+ call system(netrw#WinPath(g:tar_copycmd)." ".shellescape(tartail)." ".shellescape(vimhome))
+" call Decho("exe cd ".fnameescape(vimhome))
+ exe "cd ".fnameescape(vimhome)
+ endif
+" call Decho("getcwd<".getcwd().">")
+
+ " 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 sytem"
+ if simplify(curdir) != simplify(tarhome)
+ " remove decompressed tarball, restore directory
+" call Decho("delete(".tartail.".tar)")
+ call delete(tartail.".tar")
+" call Decho("exe cd ".fnameescape(curdir))
+ exe "cd ".fnameescape(curdir)
+ endif
+" call Dret("tar#Vimuntar")
+ return
+ endif
+ else
+ call vimball#Decompress(tartail,0)
+ endif
+ let extractcmd= netrw#WinPath(g:tar_extractcmd)
+" call Decho("system(".extractcmd." ".shellescape(tarbase.".tar").")")
+ call system(extractcmd." ".shellescape(tarbase.".tar"))
+
+ " set up help
+ if filereadable("doc/".tarbase.".txt")
+" call Decho("exe helptags ".getcwd()."/doc")
+ exe "helptags ".getcwd()."/doc"
+ endif
+
+ if simplify(tarhome) != simplify(vimhome)
+ " remove decompressed tarball, restore directory
+ call delete(vimhome."/".tarbase.".tar")
+ exe "cd ".fnameescape(curdir)
+ endif
+
+" call Dret("tar#Vimuntar")
+endfun
+
+" =====================================================================
+" Modelines And Restoration: {{{1
+let &cpo= s:keepcpo
+unlet s:keepcpo
+" vim:ts=8 fdm=marker