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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: $0 [-fqv] patchname"
exit 1
}
rollback_patch()
{
local patch=$1 pc_file=$(pc_file_name $patch)
@LIB@/backup-files $silent_unless_verbose \
-f $pc_file -B .pc/$patch/ -r
if [ -z "$opt_leave_rejects" ]
then
rm -f $(files_in_patch $patch | sed -e 's/$/\.rej/')
fi
}
interrupt()
{
rollback_patch $1
echo "Interrupted by user; patch $patch was not applied."
exit 1
}
apply_patch()
{
local patch=$1
local patch_file=$(patch_file_name $patch)
if ! [ -s $patch_file ]
then
echo "Patch file $patch_file appears to be empty"
return 0
fi
if [ "x${patch_file:(-3)}" = "x.gz" ]
then
gzip -cd $patch_file \
| @PATCH@ $(patch_args $patch) --no-backup-if-mismatch \
-E $silent
elif [ "x${patch_file:(-4)}" = "x.bz2" ]
then
bzip2 -cd $patch_file \
| @PATCH@ $(patch_args $patch) --no-backup-if-mismatch \
-E $silent
else
@PATCH@ $(patch_args $patch) --no-backup-if-mismatch \
-E $silent -i $patch_file
fi
}
apatch()
{
local patch=$(stripit $1)
local pc_file=$(pc_file_name $patch)
local file status
trap "" SIGINT
if ! refresh_file_list $patch
then
echo "refresh_file_list failed"
return 1
fi
if ! [ -e $pc_file ]
then
echo "Patch $patch appears to be empty, applied"
add_to_db $patch
return 0
fi
status=$?
if [ $status -eq 2 ]
then
[ -z "$opt_quiet" ] && echo "Recreated file list for $patch"
elif [ $status -ne 0 ]
then
return 1
fi
if ! @LIB@/backup-files $silent_unless_verbose \
-f $pc_file -B .pc/$patch/
then
exit 1
fi
trap "interrupt $patch" SIGINT
apply_patch $patch
status=$?
trap "" SIGINT
# Remember date/time of applying so that pop can
# avoid reverse applying the patch in the usual cases.
touch $pc_file
if [ $status -eq 0 -o -n "$opt_force" ]
then
add_to_db $patch
if [ $status -eq 0 ]
then
echo "Applied $patch"
rm -f $pc_file~refresh
else
touch $pc_file~refresh
echo "Applied $patch (forced; needs refresh)"
fi
else
rollback_patch $patch
echo "Patch $patch does not apply (enforce with -f)"
fi
trap - SIGINT
return $status
}
options=`getopt -o fqvh --long leave-rejects -- "$@"`
if [ $? -ne 0 ]
then
usage
fi
eval set -- "$options"
while true
do
case "$1" in
-f)
opt_force=1
shift ;;
-q)
opt_quiet=1
shift ;;
-v)
opt_verbose=1
shift ;;
--leave-rejects)
opt_leave_rejects=1
shift ;;
-h)
usage -h ;;
--)
shift
break ;;
esac
done
if [ $# -ne 1 ]
then
usage
fi
[ -n "$opt_quiet" ] && silent=-s
[ -z "$opt_verbose" ] && silent_unless_verbose=-s
patch=$(stripit $1)
top=$(top_patch)
if [ -n "$top" -a -e $(pc_file_name $top)~refresh ]
then
echo "The topmost patch $top needs to be refreshed first."
exit 1
fi
apatch $patch
### Local Variables:
### mode: shell-script
### End:
# vim:filetype=sh
|
