vim-patch:8.1.0352: browsing compressed tar files does not always work

Problem:    Browsing compressed tar files does not always work.
Solution:   Use the "file" command to get the compression type.
d4a1aabe37
This commit is contained in:
Jan Edmund Lazo 2018-11-13 22:32:37 -05:00
parent 9e59fdf5f6
commit f6c6567cb1

View File

@ -153,15 +153,14 @@ fun! tar#Browse(tarfile)
let tarfile=substitute(system("cygpath -u ".shellescape(tarfile,0)),'\n$','','e')
endif
let gzip_command = s:get_gzip_command(tarfile)
let curlast= line("$")
if tarfile =~# '\.\(gz\|tgz\)$'
let gzip_command = s:get_gzip_command(tarfile)
" call Decho("1: exe silent r! gzip -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - ")
exe "sil! r! " . gzip_command . " -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_command . " -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 =~# '\.\(bz2\|tbz\|tb2\)$'
" call Decho("3: exe silent r! bzip2 -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - ")
exe "sil! r! bzip2 -d -c -- ".shellescape(tarfile,1)." | ".g:tar_cmd." -".g:tar_browseoptions." - "
@ -291,17 +290,16 @@ fun! tar#Read(fname,mode)
let tar_secure= " "
endif
let gzip_command = s:get_gzip_command(tarfile)
if tarfile =~# '\.bz2$'
" 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 "sil! r! bzip2 -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".tar_secure.shellescape(fname,1).decmp
elseif tarfile =~# '\.\(gz\|tgz\)$'
let gzip_command = s:get_gzip_command(tarfile)
" call Decho("5: exe silent r! gzip -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd.' -'.g:tar_readoptions.' - '.tar_secure.shellescape(fname,1))
exe "sil! r! " . gzip_command . " -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".tar_secure.shellescape(fname,1).decmp
elseif tarfile =~# '\.lrp$'
" 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 "sil! r! cat -- ".shellescape(tarfile,1)." | " . gzip_command . " -d -c - | ".g:tar_cmd." -".g:tar_readoptions." - ".tar_secure.shellescape(fname,1).decmp
exe "sil! r! cat -- ".shellescape(tarfile,1)." | gzip -d -c - | ".g:tar_cmd." -".g:tar_readoptions." - ".tar_secure.shellescape(fname,1).decmp
elseif tarfile =~# '\.lzma$'
" call Decho("7: exe silent r! lzma -d -c ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".tar_secure.shellescape(fname,1).decmp)
exe "sil! r! lzma -d -c -- ".shellescape(tarfile,1)."| ".g:tar_cmd." -".g:tar_readoptions." - ".tar_secure.shellescape(fname,1).decmp
@ -589,8 +587,9 @@ fun! tar#Vimuntar(...)
" if necessary, decompress the tarball; then, extract it
if tartail =~ '\.tgz'
if executable("bzip2")
silent exe "!bzip2 -d ".shellescape(tartail)
let gzip_command = s:get_gzip_command(tarfile)
if executable(gzip_command)
silent exe "!" . gzip_command . " -d ".shellescape(tartail)
elseif executable("gunzip")
silent exe "!gunzip ".shellescape(tartail)
elseif executable("gzip")
@ -630,11 +629,24 @@ fun! tar#Vimuntar(...)
endfun
func s:get_gzip_command(file)
if a:file =~# 'z$' && executable('bzip2')
" Some .tgz files are actually compressed with bzip2. Since bzip2 can
" handle the format from gzip, use it if the command exists.
" Try using the "file" command to get the actual compression type, since
" there is no standard way for the naming: ".tgz", ".tbz", ".txz", etc.
" If the "file" command doesn't work fall back to just using the file name.
if a:file =~# 'z$'
let filetype = system('file ' . a:file)
if filetype =~ 'bzip2 compressed' && executable('bzip2')
return 'bzip2'
endif
if filetype =~ 'XZ compressed' && executable('xz')
return 'xz'
endif
endif
if a:file =~# 'bz2$'
return 'bzip2'
endif
if a:file =~# 'xz$'
return 'xz'
endif
return 'gzip'
endfunc