20 lines
611 B
Bash
20 lines
611 B
Bash
#! /bin/bash
|
|
set -euo pipefail
|
|
|
|
cd "$(git rev-parse --show-toplevel)"
|
|
|
|
STD_PATH=src/crypto/ed25519/internal/edwards25519/field
|
|
LOCAL_PATH=curve25519/internal/field
|
|
LAST_SYNC_REF=$(cat $LOCAL_PATH/sync.checkpoint)
|
|
|
|
git fetch https://go.googlesource.com/go master
|
|
|
|
if git diff --quiet $LAST_SYNC_REF:$STD_PATH FETCH_HEAD:$STD_PATH; then
|
|
echo "No changes."
|
|
else
|
|
NEW_REF=$(git rev-parse FETCH_HEAD | tee $LOCAL_PATH/sync.checkpoint)
|
|
echo "Applying changes from $LAST_SYNC_REF to $NEW_REF..."
|
|
git diff $LAST_SYNC_REF:$STD_PATH FETCH_HEAD:$STD_PATH | \
|
|
git apply -3 --directory=$LOCAL_PATH
|
|
fi
|