Adding upstream version 3:4.8.30.upstream/3%4.8.30

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 135 insertions, 0 deletions

diff --git a/src/vfs/extfs/helpers/u7z b/src/vfs/extfs/helpers/u7z
new file mode 100755
index 0000000..91301c3
--- /dev/null
+++ b/src/vfs/extfs/helpers/u7z
@@ -0,0 +1,135 @@
+#! /bin/sh
+#
+# extfs support for p7zip
+# Written by Pavel Roskin <proski@gnu.org>
+# Some Bugfixes/workarounds by Sergiy Niskorodov <sgh@mail.zp.ua>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+P7ZIP=`which 7z 2>/dev/null` \
+    || P7ZIP=`which 7zz 2>/dev/null` \
+    || P7ZIP=`which 7za 2>/dev/null` \
+    || P7ZIP=`which 7zr 2>/dev/null` \
+    || P7ZIP=""
+
+# Let the test framework hook in:
+P7ZIP=${MC_TEST_EXTFS_LIST_CMD:-$P7ZIP}
+STAT=${MC_TEST_EXTFS_U7Z_STAT:-stat}
+
+mcu7zip_list ()
+{
+        # Symlinks are not shown - no idea how to distinguish them
+        # Read-only files are not shown as such - it's rarely useful
+
+        ugid="`id -nu` `id -ng`"
+
+        date_re='^\(....\)-\(..\)-\(..\) \(..:..:..\)' # 19 chars.
+        date_mc='\2-\3-\1 \4'
+        empty_date_re='^ \{19\}'
+
+        size_re='............' # 12 chars.
+        empty_size_re=' \{12\}'
+        zero_size='           0'
+
+        # archive entries can have no datetime info, 7z will use archive file datetime
+        date_archive=`$STAT -c %y "$1" 2>/dev/null | sed -n "s/${date_re}.*/${date_mc}/p" 2>/dev/null`
+        [ "${date_archive}"x = x ] && date_archive=`ls -lan "$1" 2>/dev/null | awk '{print $6, $7, $8}' 2>/dev/null`
+        [ "${date_archive}"x = x ] && date_archive="01-01-1970 00:00:00"
+
+        $P7ZIP l "$1" | sed -n "
+
+                  # If the uncompressed size is missing, we copy the compressed size onto it.
+                  #
+                  # But first, if the compressed size is missing too, set it to zero:
+                  s/^\(.\{19\} [D.]....\) $empty_size_re $empty_size_re/\1 $zero_size $zero_size/
+                  # Next, do the copy:
+                  s/^\(.\{19\} [D.]....\) $empty_size_re \($size_re\)/\1 \2 \2/
+                  #
+                  # (We use '.\{19\}' as the date may be missing. It may give false positives
+                  # but we don't mind: the printing commands that follow use strict patterns.).
+
+                  # Handle directories.
+                  s/$date_re D.... $size_re $size_re\(.*\)/drwxr-xr-x 1 $ugid 0 $date_mc \5/p
+            s/$empty_date_re D.... $size_re $size_re\(.*\)/drwxr-xr-x 1 $ugid 0 $date_archive \1/p
+
+                  # Handle normal files.
+                  s/$date_re \..... \($size_re\) $size_re\(.*\)/-rw-r--r-- 1 $ugid \5 $date_mc \6/p
+            s/$empty_date_re \..... \($size_re\) $size_re\(.*\)/-rw-r--r-- 1 $ugid \1 $date_archive \2/p
+        "
+}
+
+mcu7zip_copyout ()
+{
+        #first we check if we have old p7zip archive with prefix ./ in filename
+        $P7ZIP l "$1" "$2" | grep -q "0 files, 0 folders" && \
+        EXFNAME='*./'"$2" || EXFNAME="$2"
+        $P7ZIP e -so "$1" "$EXFNAME" > "$3" 2>/dev/null
+}
+
+mcu7zip_copyin ()
+{
+        $P7ZIP a -si"$2" "$1" <"$3" >/dev/null 2>&1
+}
+
+mcu7zip_mkdir ()
+{
+        dir=`mktemp -d "${MC_TMPDIR:-/tmp}/mctmpdir-u7z.XXXXXX"` || exit 1
+        mkdir -p "$dir"/"$2"
+        $P7ZIP a -w"$dir" "$1" "$dir"/"$2" >/dev/null 2>&1
+        rm -rf "$dir"
+}
+
+mcu7zip_rm ()
+{
+        # NOTE: Version 4.20 fails to delete files in subdirectories
+        #first we check if we have old p7zip archive with prefix ./ in filename
+        $P7ZIP l "$1" "$2" | grep -q "0 files, 0 folders" && \
+        EXFNAME='*./'"$2" || EXFNAME="$2"
+        $P7ZIP d "$1" "$EXFNAME" 2>&1 | grep -q E_NOTIMPL > /dev/null 2>&1 && \
+        { printf "Function not implemented...\n7z cannot delete from solid archive." >&2 ; exit 1 ; }
+}
+
+mcu7zip_rmdir ()
+{
+        #first we check if we have old p7zip archive with prefix ./ in filename
+        $P7ZIP l "$1" "$2" | grep -q "0 files, 0 folders" && \
+        EXFNAME='*./'"$2" || EXFNAME="$2"
+        $P7ZIP d "$1" "$EXFNAME"/ 2>&1 | grep -q E_NOTIMPL > /dev/null 2>&1 && \
+        { printf "Function not implemented...\n7z cannot delete from solid archive." >&2 ; exit 1 ; }
+}
+
+# override any locale for dates
+LC_DATE=C
+export LC_DATE
+
+umask 077
+
+if [ -z "$P7ZIP" ]; then
+    echo "Error: could not find p7zip (looked for 7z, 7za and 7zr)" >&2
+    exit 1
+fi
+
+cmd="$1"
+shift
+
+case "$cmd" in
+  list)    mcu7zip_list    "$@" | sort -k 8 ;;
+  copyout) mcu7zip_copyout "$@" ;;
+  copyin)  mcu7zip_copyin  "$@" ;;
+  mkdir)   mcu7zip_mkdir   "$@" ;;
+  rm)      mcu7zip_rm      "$@" ;;
+  rmdir)   mcu7zip_rmdir   "$@" ;;
+  *) exit 1 ;;
+esac
+exit 0