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#!/bin/sh
# Yes, this intends to be a true POSIX script file.
set -e
myname="$0"
# Parse the tools' paths configuration
. "paths.mk"
doUsage() {
cat <<_EOF_
Usage: ${myname} <dir> <base> <inc> [sed_re]
Will renumber all patches found in 'dir', starting at 'base', and with
an increment of 'inc'.
If 'sed_re' is given, it is interpreted as a valid sed expression, and
it will be applied to the patch name.
If the environment variable FAKE is set to 'y', then the command will
only be printed, and not executed (so you can check beforehand).
Eg.:
patch-renumber.sh patches/gcc/4.3.1 100 10
patch-renumber.sh patches/gcc/4.2.4 100 10 's/(all[_-])*(gcc[-_])*//;'
_EOF_
}
[ $# -lt 3 -o $# -gt 4 ] && { doUsage; exit 1; }
[ -d "${1}" ] || { doUsage; exit 1; }
dir="${1}"
cpt="${2}"
inc="${3}"
sed_re="${4}"
case "$(LC_ALL=C hg id "${dir}" 2>/dev/null)" in
"") CMD="";;
*) CMD="hg";;
esac
if [ "${FAKE}" = "y" ]; then
CMD="echo ${CMD}"
fi
for p in "${dir}"/*.patch*; do
[ -e "${p}" ] || { echo "No such file '${p}'"; exit 1; }
newname="$(printf "%03d-%s" \
"${cpt}" \
"$( basename "${p}" \
|"${sed}" -r -e 's/^[[:digit:]]+[-_]//' \
-e "${sed_re}" \
)" \
)"
[ "${p}" = "${dir}/${newname}" ] || ${CMD} mv -v "${p}" "${dir}/${newname}"
cpt=$((cpt+inc))
done
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