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#! @BASH@
# This script is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# See the COPYING and AUTHORS files for more details.
# Read in library functions
if [ "$(type -t patch_file_name)" != function ]
then
if ! [ -r @SCRIPTS@/patchfns ]
then
echo "Cannot read library @SCRIPTS@/patchfns" >&2
exit 1
fi
. @SCRIPTS@/patchfns
fi
usage()
{
echo $"Usage: quilt pop [-afRqv] [num|patch]"
if [ x$1 = x-h ]
then
echo $"
Remove patch(es) from the series file. Without options, the topmost
patch is removed. When a number is specified, remove the specified
number of patches. When a patch name is specified, remove all patches
up to and including the specified patch. Patch names may include the
patches/ prefix, which means that filename completion can be used.
-a Remove all applied patches.
-f Force remove. The state before the patch(es) were applied will
be restored from backup files.
-R Remove the patch with \`patch -R' and check if the patch reverts
all changes properly.
-q Quiet operation.
-v Verbose operation."
exit 0
else
exit 1
fi
}
list_patches()
{
local n=0 patch
applied_patches \
| tac \
| if [ -n "$opt_all" ]
then
cat
else
while read patch
do
if [ -n "$number" ]
then
if [ $n -eq $number ]
then
break
fi
n=$[$n+1]
fi
if [ $patch = "$stop_at_patch" ]
then
break
fi
echo $patch
done
fi
}
options=`getopt -o fRqvah -- "$@"`
if [ $? -ne 0 ]
then
usage
fi
eval set -- "$options"
while true
do
case "$1" in
-f)
opt_force=1
unset opt_remove
shift ;;
-R)
opt_remove=1 # remove with patch -R; no tricks
unset opt_force
shift ;;
-q)
opt_quiet=1
shift ;;
-v)
opt_verbose=1
shift ;;
-a)
opt_all=1
shift ;;
-h)
usage -h ;;
--)
shift
break ;;
esac
done
if [ $# -gt 1 -o \( -n "$opt_all" -a $# -ne 0 \) ]
then
usage
fi
if [ $# -eq 1 ]
then
if is_numeric $1
then
number=$1
else
if ! stop_at_patch=$(find_patch $1)
then
echo $"Patch $1 is not in series" >&2
exit 1
fi
fi
else
[ -n "$opt_all" ] || number=1
fi
[ -n "$opt_force" ] &&
rpatch_options="$rpatch_options -f"
[ -n "$opt_remove" ] &&
rpatch_options="$rpatch_options -R"
[ -n "$opt_quiet" ] &&
rpatch_options="$rpatch_options -q"
[ -n "$opt_verbose" ] &&
rpatch_options="$rpatch_options -v"
if [ -n "$stop_at_patch" ]
then
if ! is_applied $stop_at_patch
then
echo $"Patch $stop_at_patch is not applied."
exit 1
fi
fi
if ! patches=$(list_patches) 2>&1
then
exit 1
elif [ -z "$patches" ]
then
echo $"No patch removed"
exit 2
fi
trap "interrupted=1" SIGINT
for patch in $patches
do
if ! @SCRIPTS@/rpatch $rpatch_options $patch
then
exit 1
fi
if [ -n "$interrupted" ]
then
echo $"Interrupted by user"
exit 1
fi
[ -z "$opt_quiet" ] && echo
done
patch="$(top_patch)"
if [ -z "$patch" ]
then
echo $"No patches applied"
else
# Ensure that the files in the topmost patch have a link count
# of one: This will automatically be the case in the usual
# situations, but we don't want to risk file corruption in weird
# corner cases such as files added to a patch but not modified.
@LIB@/backup-files -L -s -B $QUILT_PC/$patch/ -
echo $"Now at patch $patch"
fi
### Local Variables:
### mode: shell-script
### End:
# vim:filetype=sh
|
