+++ /dev/null
-" Vim autoload file for browsing debian package.
-" copyright (C) 2007-2008, arno renevier <arenevier@fdn.fr>
-" Distributed under the GNU General Public License (version 2 or above)
-" Last Change: 2008 april 1
-"
-" Inspired by autoload/tar.vim by Charles E Campbell
-"
-" Latest version of that file can be found at
-" http://www.fdn.fr/~arenevier/vim/autoload/deb.vim
-" It should also be available at
-" http://www.vim.org/scripts/script.php?script_id=1970
-
-if &cp || exists("g:loaded_deb") || v:version < 700
- finish
-endif
-let g:loaded_deb= "v1.4"
-
-fun! deb#read(debfile, member)
-
- " checks if ar and tar are installed
- if !s:hascmd("ar") || !s:hascmd("tar")
- return
- endif
-
- let l:target = a:member
-
- let l:archmember = s:dataFileName(a:debfile) " default archive member to extract
- if l:archmember == ""
- echohl WarningMsg | echo "***error*** (deb#read) no valid data file found in debian archive"
- return
- elseif l:archmember == "data.tar.gz"
- let l:unpcmp = "tar zxfO "
- elseif l:archmember == "data.tar.bz2"
- let l:unpcmp = "tar jxfO "
- elseif l:archmember == "data.tar.lzma"
- if !s:hascmd("lzma")
- return
- endif
- let l:unpcmp = "lzma -d | tar xfO "
- elseif l:archmember == "data.tar"
- let l:unpcmp = "tar xfO "
- endif
-
- if a:member =~ '^\* ' " information control file
- let l:archmember = "control.tar.gz"
- let l:target = substitute(l:target, "^\* ", "", "")
- let l:unpcmp = "tar zxfO "
- elseif a:member =~ ' -> ' " symbolic link
- let l:target = split(a:member,' -> ')[0]
- let l:linkname = split(a:member,' -> ')[1]
-
- if l:linkname =~ "^\/" " direct symlink: path is already absolute
- let l:target = ".".l:linkname
-
- else
- " transform relative path to absolute path
-
- " first, get basename for target
- let l:target = substitute(l:target, "\/[^/]*$", "", "")
-
- " while it begins with ../
- while l:linkname =~ "^\.\.\/"
-
- " removes one level of ../ in linkname
- let l:linkname = substitute(l:linkname, "^\.\.\/", "", "")
-
- " go one directory up in target
- let l:target = substitute(l:target, "\/[^/]*$", "", "")
- endwhile
-
- let l:target = l:target."/".l:linkname
- endif
- endif
-
- " we may preprocess some files (such as man pages, or changelogs)
- let l:preproccmd = ""
-
- "
- " unzip man pages
- "
- if l:target =~ "\.\/usr\/share\/man\/.*\.gz$"
-
- " try to fail gracefully if a command is not available
- if !s:hascmd("gzip")
- return
- elseif !s:hascmd("nroff")
- let l:preproccmd = "| gzip -cd"
- elseif !s:hascmd("col")
- let l:preproccmd = "| gzip -cd | nroff -mandoc"
- else
- let l:preproccmd = "| gzip -cd | nroff -mandoc | col -b"
- endif
-
- "
- " unzip other .gz files
- "
- elseif l:target =~ '.*\.gz$'
- if !s:hascmd("gzip")
- return
- endif
- let l:preproccmd = "| gzip -cd"
- endif
-
- " read content
- exe "silent r! ar p " . s:QuoteFile(a:debfile) . " " . s:QuoteFile(l:archmember) . " | " . l:unpcmp . " - " . s:QuoteFile(l:target) . l:preproccmd
- " error will be treated in calling function
- if v:shell_error != 0
- return
- endif
-
- exe "file deb:".l:target
-
- 0d
-
- setlocal nomodifiable nomodified readonly
-
-endfun
-
-fun! deb#browse(file)
-
- " checks if necessary utils are installed
- if !s:hascmd("dpkg") || !s:hascmd("ar") || !s:hascmd("tar")
- return
- endif
-
- " checks if file is readable
- if !filereadable(a:file)
- return
- endif
- if a:file =~ "'"
- echohl WarningMsg | echo "***error*** (deb#Browse) filename cannot contain quote character (" . a:file . ")"
- return
- endif
-
- let keepmagic = &magic
- set magic
-
- " set filetype to "deb"
- set ft=deb
-
- setlocal modifiable noreadonly
-
- " set header
- exe "$put ='".'\"'." deb.vim version ".g:loaded_deb."'"
- exe "$put ='".'\"'." Browsing debian package ".a:file."'"
- $put=''
-
- " package info
- "exe "silent read! dpkg -I ".a:file
- "$put=''
-
- " display information control files
- let l:infopos = line(".")
- exe "silent read! ar p " . s:QuoteFile(a:file) . " control.tar.gz | tar zt"
-
- $put=''
-
- " display data files
- let l:listpos = line(".")
- exe "silent read! dpkg -c ". s:QuoteFile(a:file)
-
- " format information control list
- " removes '* ./' line
- exe (l:infopos + 1). 'd'
- " add a star before each line
- exe "silent " . (l:infopos + 1). ',' . (l:listpos - 2) . 's/^/\* /'
-
- " format data list
- exe "silent " . l:listpos . ',$s/^.*\s\(\.\/\(\S\|\).*\)$/\1/'
-
- if v:shell_error != 0
- echohl WarningMsg | echo "***warning*** (deb#Browse) error when listing content of " . a:file
- let &magic = keepmagic
- return
- endif
-
- 0d
-
- setlocal nomodifiable readonly
- noremap <silent> <buffer> <cr> :call <SID>DebBrowseSelect()<cr>
- let &magic = keepmagic
-
-endfun
-
-fun! s:DebBrowseSelect()
- let l:fname= getline(".")
-
- " sanity check
- if (l:fname !~ '^\.\/') && (l:fname !~ '^\* \.\/')
- return
- endif
- if l:fname =~ "'"
- echohl WarningMsg | echo "***error*** (DebBrowseSelect) filename cannot contain quote character (" . l:fname . ")"
- return
- endif
-
- " do nothing on directories
- " TODO: find a way to detect symlinks to directories, to be able not to
- " open them
- if (l:fname =~ '\/$')
- return
- endif
-
- " need to get it now since a new window will open
- let l:curfile= expand("%")
-
- " open new window
- new
- wincmd _
-
- call deb#read(l:curfile, l:fname)
-
- if v:shell_error != 0
- echohl WarningMsg | echo "***warning*** (DebBrowseSelect) error when reading " . l:fname
- return
- endif
-
- filetype detect
-
- " zipped files, are unziped in deb#read, but filetype may not
- " automatically work.
- if l:fname =~ "\.\/usr\/share\/man\/.*\.gz$"
- set filetype=man
- elseif l:fname =~ "\.\/usr\/share\/doc\/.*\/changelog.Debian.gz$"
- set filetype=debchangelog
- endif
-
-endfun
-
-" return data file name for debian package. This can be either data.tar.gz,
-" data.tar.bz2 or data.tar.lzma
-fun s:dataFileName(deb)
- for fn in ["data.tar.gz", "data.tar.bz2", "data.tar.lzma", "data.tar"]
- " [0:-2] is to remove trailing null character from command output
- if (system("ar t " . "'" . a:deb . "'" . " " . fn))[0:-2] == fn
- return fn
- endif
- endfor
- return "" " no debian data format in this archive
-endfun
-
-fun s:QuoteFile(file)
- " we need to escape %, #, <, and >
- " see :help cmdline-specialk
- return "'" . substitute(a:file, '\([%#<>]\)', '\\\1', 'g') . "'"
-endfun
-
-" return 1 if cmd exists
-" display error message and return 0 otherwise
-fun s:hascmd(cmd)
- if executable(a:cmd)
- return 1
- else
- echohl Error | echo "***error*** " . a:cmd . " not available on your system"
- return 0
- else
-endfu
-
ruderich.org/simon / config / dotfiles.git / blobdiff