From 4b4dd69be093f337af05bb41d6e986d912c01b4a Mon Sep 17 00:00:00 2001 From: Sven Wischnowsky Date: Mon, 2 Apr 2001 12:03:50 +0000 Subject: moved from Completion/User/_tar --- Completion/Unix/Command/_tar | 150 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 150 insertions(+) create mode 100644 Completion/Unix/Command/_tar (limited to 'Completion/Unix/Command/_tar') diff --git a/Completion/Unix/Command/_tar b/Completion/Unix/Command/_tar new file mode 100644 index 000000000..634917233 --- /dev/null +++ b/Completion/Unix/Command/_tar @@ -0,0 +1,150 @@ +#compdef tar + +# Tar completion. Features: +# - Tries to collect tar commands from second position, single letter +# option, and long options. +# - `tar' can be called anything, will use the correct name +# - Uses the function `_tar_archive' to complete archive files. +# - Tries to find out if compressed archives should be used. +# - Completes files inside archive. This is supposed to look pretty +# much as if the files are in an ordinary directory hierarchy. +# Handles extraction from compressed archives (GNU tar). +# - Anywhere -- appears, gets a list of long options to complete from +# tar itself (GNU tar) +# - Things like --directory=... are also completed correctly. + +local _tar_cmd tf tmp tmpb del + +# First we collect in `_tar_cmd' single letter options describing what +# should be done with the archive and if it is compressed. This +# collected from options arguments that start with only one hyphen, +# from some of the possible long options, and from the second word if +# that does not start with a hyphen. + +tmp=("${(@M)words:#-[^-]*}") +_tar_cmd="${(j::)tmp#-}" + +(( $words[(I)--(un|)gzip] )) && _tar_cmd="z$_tar_cmd" +(( $words[(I)--(un|)compress] )) && _tar_cmd="Z$_tar_cmd" +(( $words[(I)--list] )) && _tar_cmd="t$_tar_cmd" +(( $words[(I)--(extract|get)] )) && _tar_cmd="x$_tar_cmd" +(( $words[(I)--create] )) && _tar_cmd="c$_tar_cmd" + +# Other ways of finding out what we're doing: first +# look in the first argument if it's not an option +if [[ "$words[2]" = *[txcdruA]*~-* ]]; then + _tar_cmd="$words[2]$_tar_cmd" +elif [[ $_tar_cmd != *[txcdruA]* && CURRENT -gt 2 ]]; then + # look for more obscure long options: these aren't all handled. + (( $words[(I)--(diff|compare)] )) && _tar_cmd="d$_tar_cmd" + (( $words[(I)--append] )) && _tar_cmd="r$_tar_cmd" + (( $words[(I)--update] )) && _tar_cmd="u$_tar_cmd" + (( $words[(I)--(con|)catenate] )) && _tar_cmd="A$_tar_cmd" + (( $words[(I)--delete] )) && del=1 +fi + +# Next, we try to find the archive name and store it in `tf'. The name +# is searched after a `--file=' long option, in the third word if the +# second one didn't start with a hyphen but contained a `f', and after +# an option argument starting with only one hyphen and containing a `f'. +# unless that option argument also contains a `C'. + +tmp="$words[(I)--file=*]" +tmpb="$words[(I)-*Cf*~--*]" + +if (( tmp )); then + tf=${~words[tmp][8,-1]} + _tar_cmd="f$_tar_cmd" +elif [[ "$words[2]" != -* && "$words[2]" = *f* ]]; then + tf=${~words[3]} + _tar_cmd="f$_tar_cmd" +elif (( tmpb )); then + tf=${~words[tmpb+2]} + wdir=${~words[tmpb+1]} + _tar_cmd="Cf$_tar_cmd" +else + tmp="${words[(I)-*f*~--*]}" + if (( tmp )); then + tf=${~words[tmp+1]} + _tar_cmd="f$_tar_cmd" + fi +fi + +# See if we should use a path prefix. We have to use eval as the dir can +# be any unevaluated thing which appears on the command line, including a +# parameter. + +# This isn't used right now. + +tmp=${words[(r)--dir[a-z]#=*]} + +if [[ -n $tmp ]]; then + eval "wdir=(${tmp#*=})" +fi + +# Now we complete... + +if [[ "$PREFIX" = --* ]]; then + + # ...long options after `--'. + + _arguments -- '--owner*:user:_users' \ + '*=(PROG|COMMAND)*:program:_command_names -e' \ + '*=ARCHIVE*:archive: _tar_archive' \ + '*=NAME*:file:_files' \ + '*=DIR*:directory:_files -/' \ + '*=CONTROL*::version control:(t numbered nil existing never simple)' + +elif [[ ( CURRENT -gt 2 && "$words[CURRENT-1]" = -*f* && + "$words[CURRENT-1]" != --* && "$words[CURRENT-1]" != -*Cf* ) || + ( CURRENT -eq 3 && "$words[2]" = *f* && "$words[2]" != -* && + "$words[2]" != *Cf* ) || + ( CURRENT -gt 2 && "$words[CURRENT-2]" = -*Cf* && + "$words[CURRENT-2]" != --* && "$words[CURRENT-1]" != --* ) || + ( CURRENT -eq 4 && "$words[2]" = *Cf* && "$words[2]" != -* ) ]]; then + + # ...archive files if we think they are wanted here. + + _tar_archive + +elif [[ ( CURRENT -gt 2 && "$words[CURRENT-1]" = -*Cf*) || + ( CURRENT -eq 3 && "$words[2]" = *Cf* ) ]]; then + + # a directory for -C + + _files -/ + +elif [[ ( "$_tar_cmd" = *[xt]* || -n $del ) && -n "$tf" ]]; then + + # ...and files from the archive if we found an archive name and tar + # commands. We run `tar t...' on the file, keeping the list of + # filenames cached, plus the name of the tarfile so we know if it + # changes. We skip this test if the alleged archive is not a file. + + local largs=-tf expl + + if [[ $_tar_cmd = *z* ]]; then + largs=-tzf + elif [[ $_tar_cmd = *j* ]]; then + largs=-tjf + elif [[ $_tar_cmd = *y* ]]; then + largs=-tyf + elif [[ $_tar_cmd = *Z* ]]; then + largs=-tZf + elif [[ $_tar_cmd = *I* ]]; then + largs=-tIf + else + # Some random compression program + tmp="${words[(r)--use-comp*]}" + [[ -n $tmp ]] && largs=($tmp -tf) + fi + + if [[ $tf != $_tar_cache_name && -f $tf ]]; then + _tar_cache_list=("${(@f)$($words[1] $largs $tf)}") + _tar_cache_name=$tf + fi + + _wanted files expl 'file from archive' _multi_parts / _tar_cache_list +else + _files +fi -- cgit 1.4.1