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archive: add archive function

master
Matt Hamilton 9 years ago committed by Kaleb Elwert
parent
commit
fb37539f43
  1. 12
      modules/archive/README.md
  2. 67
      modules/archive/functions/archive

12
modules/archive/README.md

@ -1,11 +1,12 @@ @@ -1,11 +1,12 @@
Archive
=======
Provides functions to list and extract archives.
Provides functions to create, list, and extract archives.
Functions
---------
- `archive` creates an archive based on the provided archive name.
- `lsarchive` lists the contents of one or more archives.
- `unarchive` extracts the contents of one or more archives.
@ -15,8 +16,8 @@ Supported Formats @@ -15,8 +16,8 @@ Supported Formats
The following archive formats are supported when the required utilities are
installed:
- *.tar.gz*, *.tgz* require `tar`.
- *.tar.bz2*, *.tbz* require `tar`.
- *.tar.gz*, *.tgz* require `tar` (optionally `pigz`).
- *.tar.bz2*, *.tbz* require `tar` (optionally `pbzip2`).
- *.tar.xz*, *.txz* require `tar` with *xz* support.
- *.tar.zma*, *.tlz* require `tar` with *lzma* support.
- *.tar* requires `tar`.
@ -30,11 +31,16 @@ installed: @@ -30,11 +31,16 @@ installed:
- *.7z* requires `7za`.
- *.deb* requires `ar`, `tar`.
Additionally, if `pigz' and/or `pbzip2` are installed, `archive` will use them over
their traditional counterparts, `gzip` and `bzip2` respectively, to take full advantage
of all available CPU cores for compression.
Authors
-------
*The authors of this module should be contacted via the [issue tracker][1].*
- [Sorin Ionescu](https://github.com/sorin-ionescu)
- [Matt Hamilton](https://github.com/Eriner)
[1]: https://github.com/sorin-ionescu/prezto/issues

67
modules/archive/functions/archive

@ -0,0 +1,67 @@ @@ -0,0 +1,67 @@
#!/usr/bin/env zsh
#
# Creates archive file
#
# Authors:
# Matt Hamilton <m@tthamilton.com>
#
local archive_name dir_to_archive _gzip_bin _bzip2_bin
if (( $# != 2 )); then
cat >&2 <<EOF
usage: $0 [archive_name.zip] [/path/to/include/into/archive]
Where 'archive.zip' uses any of the following extensions:
.tar.gz, .tar.bz2, .tar.xz, .tar.lzma, .tar, .zip, .rar, .7z
There is no '-v' switch; all operations are verbose.
EOF
return 1
fi
# we are quitting (above) if there are not exactly 2 vars,
# so we don't need any argc check here.
# strip the path, just in case one is provided for some reason
archive_name="${1:t}"
# use absolute paths, and follow symlinks
dir_to_archive="${2}"
# if the directory doesn't exist, quit. Nothing to archive
if [[ ! -e "${dir_to_archive}" ]]; then
print "$0: file or directory not valid: ${dir_to_archive}" >&2
return 1
fi
# here, we check for dropin/multi-threaded replacements
# this should eventually be moved to modules/archive/init.zsh
# as a global alias
if (( $+commands[pigz] )); then
_gzip_bin='pigz'
else
_gzip_bin='gzip'
fi
if (( $+commands[pbzip2] )); then
_bzip2_bin='pbzip2'
else
_bzip2_bin='bzip2'
fi
case "${archive_name}" in
(*.tar.gz|*.tgz) tar -cvf "${archive_name}" --use-compress-program="${_gzip_bin}" "${dir_to_archive}" ;;
(*.tar.bz2|*.tbz|*.tbz2) tar -cvf "${archive_name}" --use-compress-program="${_bzip2_bin}" "${dir_to_archive}" ;;
(*.tar.xz|*.txz) tar -cvJf "${archive_name}" "${dir_to_archive}" ;;
(*.tar.lzma|*.tlz) tar -cvf "${archive_name}" --lzma "${dir_to_archive}" ;;
(*.tar) tar -cvf "${archive_name}" "${dir_to_archive}" ;;
(*.zip|*.jar) zip -r "${archive_name}" "${dir_to_archive}" ;;
(*.rar) rar a "${archive_name}" "${dir_to_archive}" ;;
(*.7z) 7za a "${archive_name}" "${dir_to_archive}" ;;
(*.gz) print "\n.gz is only useful for single files, and does not capture permissions. Use .tar.gz" ;;
(*.bz2) print "\n.bzip2 is only useful for single files, and does not capture permissions. Use .tar.bz2" ;;
(*.xz) print "\n.xz is only useful for single files, and does not capture permissions. Use .tar.xz" ;;
(*.lzma) print "\n.lzma is only useful for single files, and does not capture permissions. Use .tar.lzma" ;;
(*) print "\nunknown archive type for archive: ${archive_name}" ;;
esac
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