git/update-from-lore.sh

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#!/bin/sh
force=
while case "$#" in 0) break;; esac
do
case "$1" in
-f | --force)
force=force ;;
-*)
echo >&2 "$0: unknown option '$1'"
exit 1 ;;
*)
break ;;
esac
shift
done
case "$#" in
0) : happy ;;
*) echo >&2 "$0: extra arguments" ;;
esac
above_master=$(git rev-list --first-parent master.. | wc -l)
above_next=$(git rev-list --first-parent next.. | wc -l)
if test "$above_master" != "$above_next"
then
if test "$force" = force
then
echo >&2 warning: some patches are already in next
else
echo >&2 fatal: some patches are already in next
exit 1
fi
fi
MID=
OLD=$(git rev-parse HEAD)
git detach || exit
git rev-list HEAD..$OLD |
while read commit
do
git notes --ref=amlog show $commit
done |
sed -n -e '/^Message-Id: /{
s///p
q
}' |
xargs -n1 b4 am -o- -T |
tee ./+b4am.mbx |
git am -s3 && rm -f ./+b4am.mbx &&
git range-diff --notes=amlog --crea=999 @{-1}...