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https://github.com/MidnightCommander/mc
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ff6cd52e53
* automatically search of 7z or 7za utility * fixed calculate of EXFNAME file name. Signed-off-by: Slava Zanko <slavazanko@gmail.com>
80 lines
2.3 KiB
Bash
80 lines
2.3 KiB
Bash
#! /bin/sh
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#
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# extfs support for p7zip
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# Written by Pavel Roskin <proski@gnu.org>
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# Some Bugfixes/workarounds by Sergiy Niskorodov <sgh@mail.zp.ua>
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# Licensed under GNU GPL version 2 or later version.
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P7ZIP=`which 7z 2>/dev/null` || P7ZIP=`which 7za 2>/dev/null`
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mcu7zip_list ()
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{
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# Symlinks are not shown - no idea how to distinguish them
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# Read-only files are not shown as such - it's rarely useful
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ugid="`id -nu` `id -ng`"
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date_re='^\(....\)-\(..\)-\(..\) \(..:..:..\)'
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date_mc='\2-\3-\1 \4'
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size_re='............'
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$P7ZIP l "$1" | sed -n "s/$date_re D.... $size_re $size_re\(.*\)/drwxr-xr-x 1 $ugid 0 $date_mc \5/p;s/$date_re \..... \($size_re\) $size_re\(.*\)/-rw-r--r-- 1 $ugid \5 $date_mc \6/p"
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}
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mcu7zip_copyout ()
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{
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#first we check if we have old p7zip archive with prefix ./ in filename
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$P7ZIP l "$1" "$2" | grep -q "0 files, 0 folders" && \
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EXFNAME='*./'"$2" || EXFNAME="$2"
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$P7ZIP e -so "$1" "$EXFNAME" > "$3" 2>/dev/null
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}
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mcu7zip_copyin ()
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{
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$P7ZIP a -si"$2" "$1" <"$3" >/dev/null 2>&1
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}
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mcu7zip_mkdir ()
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{
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dir=`mktemp -d "${MC_TMPDIR:-/tmp}/mctmpdir-u7z.XXXXXX"` || exit 1
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mkdir -p "$dir"/"$2"
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$P7ZIP a -w"$dir" "$1" "$dir"/"$2" >/dev/null 2>&1
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rm -rf "$dir"
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}
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mcu7zip_rm ()
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{
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# NOTE: Version 4.20 fails to delete files in subdirectories
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#first we check if we have old p7zip archive with prefix ./ in filename
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$P7ZIP l "$1" "$2" | grep -q "0 files, 0 folders" && \
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EXFNAME='*./'"$2" || EXFNAME="$2"
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$P7ZIP d "$1" "$EXFNAME" 2>&1 | grep -q E_NOTIMPL > /dev/null 2>&1 && \
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{ printf "Function not implemented...\n7z cannot delete from solid archive." >&2 ; exit 1 ; }
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}
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mcu7zip_rmdir ()
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{
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#first we check if we have old p7zip archive with prefix ./ in filename
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$P7ZIP l "$1" "$2" | grep -q "0 files, 0 folders" && \
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EXFNAME='*./'"$2" || EXFNAME="$2"
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$P7ZIP d "$1" "$EXFNAME"/ 2>&1 | grep -q E_NOTIMPL > /dev/null 2>&1 && \
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{ printf "Function not implemented...\n7z cannot delete from solid archive." >&2 ; exit 1 ; }
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}
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# override any locale for dates
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LC_DATE=C
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export LC_DATE
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umask 077
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cmd="$1"
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shift
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case "$cmd" in
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list) mcu7zip_list "$@" | sort -k 8 ;;
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copyout) mcu7zip_copyout "$@" ;;
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copyin) mcu7zip_copyin "$@" ;;
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mkdir) mcu7zip_mkdir "$@" ;;
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rm) mcu7zip_rm "$@" ;;
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rmdir) mcu7zip_rmdir "$@" ;;
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*) exit 1 ;;
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esac
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exit 0
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