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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 $QUILT_DIR/scripts/patchfns ]
then
echo "Cannot read library $QUILT_DIR/scripts/patchfns" >&2
exit 1
fi
. $QUILT_DIR/scripts/patchfns
fi
usage()
{
printf $"Usage: quilt patches [-v] {file}\n"
if [ x$1 = x-h ]
then
printf $"
Print the list of patches that modify the specified file. (Uses a
heuristic to determine which files are modified by unapplied patches.
Note that this heuristic is much slower than scanning applied patches.)
-v Verbose, more user friendly output.
"
exit 0
else
exit 1
fi
}
scan_applied()
{
local prefix=$1 file=$2
shift 2
local patch
for patch in "$@"
do
if [ -f "$(backup_file_name $patch "$file")" ]
then
echo "$prefix$(print_patch $patch)"
fi
done
}
touched_by_patch()
{
local strip=$1 patch=$2
cat_file $(patch_file_name $patch) \
| awk '
/^\+\+\+[ \t]/ {
sub(/^\+\+\+[ \t]/, "")
sub(/[ \t].*/, "")
sub(/^\/dev\/null/, "")
for (i=0; i<'$strip'; i++)
sub(/^[^\/]*\//, "")
print
}'
}
scan_unapplied()
{
local prefix=$1 file=$2
shift 2
local file_bre="$(quote_bre $file)" patch
for patch in "$@"
do
if touched_by_patch $(patch_strip_level $patch) $patch \
| grep -q "^$file_bre\$"
then
echo "$prefix$(print_patch $patch)"
fi
done
}
options=`getopt -o vh -- "$@"`
if [ $? -ne 0 ]
then
usage
fi
eval set -- "$options"
while true
do
case "$1" in
-v)
opt_verbose=1
shift ;;
-h)
usage -h ;;
--)
shift
break ;;
esac
done
if [ $# -ne 1 ]
then
usage
fi
opt_file="$SUBDIR$1"
top=$(top_patch)
if [ -n "$opt_verbose" ]
then
applied="+ "
current="= "
unapplied=" "
else
applied=""
current=""
unapplied=""
fi
scan_applied "$applied" "$opt_file" $(patches_before $top)
[ -n "$top" ] && \
scan_applied "$current" "$opt_file" $top
scan_unapplied "$unapplied" "$opt_file" $(patches_after $top)
### Local Variables:
### mode: shell-script
### End:
# vim:filetype=sh
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