core-lightning/devtools/bolt-catchup.sh

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#! /bin/sh
# A script to upgrade spec versions one at a time, stop when something changes.
set -e
BOLTDIR=${1:-../bolts}
HEAD=$(git -C "$BOLTDIR" show --format=%H -s)
VERSION=$(sed -n 's/^DEFAULT_BOLTVERSION[ ]*:=[ ]*\([0-9a-f]*\)/\1/p' < Makefile)
# We only change Makefile at exit, otherwise git diff shows the difference, of course!
finalize_and_exit()
{
sed "s/^DEFAULT_BOLTVERSION[ ]*:=[ ]*\([0-9a-f]*\)/DEFAULT_BOLTVERSION := $v/" < Makefile > Makefile.$$ && mv Makefile.$$ Makefile
exit 0
}
for v in $(git -C "$BOLTDIR" show "$VERSION..$HEAD" --format=%H -s | tac); do
echo "Trying $v..."
make -s extract-bolt-csv DEFAULT_BOLTVERSION="$v" || finalize_and_exit
git diff --exit-code || finalize_and_exit
make -s check-source-bolt DEFAULT_BOLTVERSION="$v" || finalize_and_exit
done
echo "No changes, simply upgrading to $v..."
finalize_and_exit