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tar.vim
" tar.vim: Handles browsing tarfiles " AUTOLOAD PORTION " Date: Apr 17, 2013 " Version: 29 " Maintainer: Charles E Campbell <NdrOchip@ScampbellPfamily.AbizM-NOSPAM> " License: Vim License (see vim's :help license) " " Contains many ideas from Michael Toren's <tar.vim> " " Copyright: Copyright (C) 2005-2011 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. " 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= "v29" 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 "DechoTabOn "call Decho("loading autoload/tar.vim") " --------------------------------------------------------------------- " Default Settings: {{{1 if !exists("g:tar_browseoptions") let g:tar_browseoptions= "tf" endif if !exists("g:tar_readoptions") let g:tar_readoptions= "Oxf" 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: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 -xf" 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 " call Decho("g:tar_shq<".g:tar_shq.">") endif let g:tar_secure=' -- ' let g:tar_leading_pat='^\%([.]\{,2\}/\)\+' " ---------------- " 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 it's 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') 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 =~# '\.\(gz\|tgz\)$' " call Decho("1: exe silent r! gzip -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - ") exe "sil! 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 "sil! r! cat -- ".shellescape(tarfile,1)."|gzip -d -c -|".g:tar_cmd." -".g:tar_browseoptions." - " elseif tarfile =~# '\.\(bz2\|tbz\|tb2\)$' " call Decho("3: exe silent r! bzip2 -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - ") exe "sil! r! bzip2 -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - " elseif tarfile =~# '\.\(lzma\|tlz\)$' " call Decho("3: exe silent r! lzma -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - ") exe "sil! r! lzma -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - " elseif tarfile =~# '\.\(xz\|txz\)$' " call Decho("3: exe silent r! xz --decompress --stdout -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - ") exe "sil! r! xz --decompress --stdout -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - " else if tarfile =~ '^\s*-' " A file name starting with a dash is taken as an option. Prepend ./ to avoid that. let tarfile = substitute(tarfile, '-', './-', '') endif " call Decho("4: exe silent r! ".g:tar_cmd." -".g:tar_browseoptions." ".shellescape(tarfile,0)) exe "sil! r! ".g:tar_cmd." -".g:tar_browseoptions." ".shellescape(tarfile,1) endif if v:shell_error != 0 redraw! echohl WarningMsg | echo "***warning*** (tar#Browse) please check your g:tar_browseoptions<".g:tar_browseoptions.">" " call Dret("tar#Browse : a:tarfile<".a:tarfile.">") return endif if line("$") == 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 keepj sil! %d let eikeep= &ei set ei=BufReadCmd,FileReadCmd exe "r ".fnameescape(a:tarfile) let &ei= eikeep keepj sil! 1d " call Dret("tar#Browse : a:tarfile<".a:tarfile.">") 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 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.">") let ls= get(b:, 'leading_slash', 0) " 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("win32unix") && 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 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 " call Dret("TarBrowseSelect : s:tblfile_".winnr()."<".s:tblfile_{winnr()}.">") endfun " --------------------------------------------------------------------- " tar#Read: {{{2 fun! tar#Read(fname) " call Dfunc("tar#Read(fname<".a:fname.">)") let repkeep= &report set report=10 let tarfile = substitute(a:fname,'tarfile:\(.\{-}\)::.*$','\1','') let fname = substitute(a:fname,'tarfile:.\{-}::\(.*\)$','\1','') if has("win32unix") && executable("cygpath") " assuming cygwin let tarfile=substitute(system("cygpath -u ".shellescape(tarfile,0)),'\n$','','e') endif " call Decho("tarfile<".tarfile.">") " call Decho("fname<".fname.">") let curdir= getcwd() let b:curdir= curdir 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 tarfile =~# '\.bz2$' " call Decho("7: exe silent r! bzip2 -d -c ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".g:tar_secure.shellescape(fname,1).decmp) exe "sil! r! bzip2 -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".g:tar_secure.shellescape(fname,1).decmp elseif tarfile =~# '\.\(gz\|tgz\)$' " call Decho("5: exe silent r! gzip -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd.' -'.g:tar_readoptions.' - '.g:tar_secure.shellescape(fname,1)) exe "sil! r! gzip -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".g:tar_secure.shellescape(fname,1).decmp elseif tarfile =~# '\.lrp$' " call Decho("6: exe silent r! cat ".shellescape(tarfile,1)." | gzip -d -c - | ".g:tar_cmd." -".g:tar_readoptions." - ".g:tar_secure.shellescape(fname,1).decmp) exe "sil! r! cat -- ".shellescape(tarfile,1)." | gzip -d -c - | ".g:tar_cmd." -".g:tar_readoptions." - ".g: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." - ".g:tar_secure.shellescape(fname,1).decmp) exe "sil! r! lzma -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".g:tar_secure.shellescape(fname,1).decmp elseif tarfile =~# '\.\(xz\|txz\)$' " call Decho("3: exe silent r! xz --decompress --stdout -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_readoptions." - ".g:tar_secure.shellescape(fname,1).decmp) exe "sil! r! xz --decompress --stdout -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_readoptions." - ".g:tar_secure.shellescape(fname,1).decmp else if tarfile =~ '^\s*-' " A file name starting with a dash is taken as an option. Prepend ./ to avoid that. let tarfile = substitute(tarfile, '-', './-', '') endif " call Decho("8: exe silent r! ".g:tar_cmd." -".g:tar_readoptions.g:tar_secure.shellescape(tarfile,1)." ".shellescape(fname,1).decmp) exe "silent r! ".g:tar_cmd." -".g:tar_readoptions.shellescape(tarfile,1)." ".g:tar_secure.shellescape(fname,1).decmp endif if get(b:, 'leading_slash', 0) sil g/^tar: /d endif if doro " because the reverse process of compressing changed files back into the tarball is not currently supported setlocal ro endif let b:tarfile= a:fname " cleanup keepj sil! 0d set nomod let &report= repkeep exe "lcd ".fnameescape(curdir) silent exe "file tarfile::".fnameescape(fname) " call Dret("tar#Read : b:tarfile<".b:tarfile.">") endfun " --------------------------------------------------------------------- " tar#Write: {{{2 fun! tar#Write(fname) " call Dfunc("tar#Write(fname<".a:fname.">) b:tarfile<".b:tarfile."> tblfile_".winnr()."<".s:tblfile_{winnr()}.">") let repkeep= &report set report=10 " sanity checks if !executable(g:tar_cmd) redraw! echohl Error | echo '***error*** (tar#Browse) "'.g:tar_cmd.'" not available on your system' let &report= repkeep " call Dret("tar#Write") return endif if !exists("*mkdir") redraw! echohl Error | echo "***error*** (tar#Write) sorry, mkdir() doesn't work on your system" | echohl None let &report= repkeep " call Dret("tar#Write") return endif let curdir= getcwd() let tmpdir= tempname() " call Decho("orig tempname<".tmpdir.">") if tmpdir =~ '\.' let tmpdir= substitute(tmpdir,'\.[^.]*$','','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:.\{-}::\(.*\)$','\1','') if get(b:, 'leading_slash', 0) redraw! echohl Error | echo "***error*** (tar#Write) sorry, not attempting to update ".tarfile." with ".fname | echohl None let &report= repkeep return endif " handle compressed archives if tarfile =~# '\.bz2' call system("bzip2 -d -- ".shellescape(tarfile,0)) let tarfile = substitute(tarfile,'\.bz2','','e') let compress= "bzip2 -- ".shellescape(tarfile,0) " call Decho("compress<".compress.">") elseif tarfile =~# '\.gz' call system("gzip -d -- ".shellescape(tarfile,0)) let tarfile = substitute(tarfile,'\.gz','','e') let compress= "gzip -- ".shellescape(tarfile,0) " call Decho("compress<".compress.">") elseif tarfile =~# '\.tgz' call system("gzip -d -- ".shellescape(tarfile,0)) let tarfile = substitute(tarfile,'\.tgz','.tar','e') let compress= "gzip -- ".shellescape(tarfile,0) let tgz = 1 " call Decho("compress<".compress.">") elseif tarfile =~# '\.xz' call system("xz -d -- ".shellescape(tarfile,0)) let tarfile = substitute(tarfile,'\.xz','','e') let compress= "xz -- ".shellescape(tarfile,0) " call Decho("compress<".compress.">") elseif tarfile =~# '\.lzma' call system("lzma -d -- ".shellescape(tarfile,0)) let tarfile = substitute(tarfile,'\.lzma','','e') let compress= "lzma -- ".shellescape(tarfile,0) " call Decho("compress<".compress.">") endif " call Decho("tarfile<".tarfile.">") if v:shell_error != 0 redraw! echohl Error | echo "***error*** (tar#Write) sorry, unable to update ".tarfile." with ".fname | echohl None else " call Decho("tarfile<".tarfile."> fname<".fname.">") if fname =~ '/' let dirpath = substitute(fname,'/[^/]\+$','','e') if 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 " call Decho("tarfile<".tarfile."> fname<".fname.">") " 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 " call Decho("system(".g:tar_cmd." --delete -f ".shellescape(tarfile,0)." -- ".shellescape(fname,0).")") call system(g:tar_cmd." --delete -f ".shellescape(tarfile,0).g: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).g:tar_secure.shellescape(fname,0)) call system(g:tar_cmd." -".g:tar_writeoptions." ".shellescape(tarfile,0).g: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 " --------------------------------------------------------------------- " tar#Diff: {{{2 fun! tar#Diff(userfname,fname) " call Dfunc("tar#Diff(userfname<".a:userfname."> fname<".a: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 "e ".fnameescape(fname) diffthis else redraw! echo "***warning*** unable to read file<".fname.">" endif " call Dret("tar#Diff") 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
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