1 files changed, 40 insertions, 0 deletions
diff --git a/modules/fdlibm/update.sh b/modules/fdlibm/update.sh
new file mode 100755
index 0000000000..90d4178626
--- /dev/null
+++ b/modules/fdlibm/update.sh
@@ -0,0 +1,40 @@
+#!/bin/sh
+
+# Script to update the mozilla in-tree copy of the fdlibm library.
+# Run this within the /modules/fdlibm directory of the source tree.
+
+set -e
+
+API_BASE_URL=https://api.github.com/repos/freebsd/freebsd
+
+get_commit() {
+    curl -s "${API_BASE_URL}/commits?path=lib/msun/src&per_page=1" \
+        | python -c 'import json, sys; print(json.loads(sys.stdin.read())[0]["sha"])'
+}
+get_date() {
+    curl -s "${API_BASE_URL}/commits/${COMMIT}" \
+        | python -c 'import json, sys; print(json.loads(sys.stdin.read())["commit"]["committer"]["date"])'
+}
+
+mv ./src/moz.build ./src_moz.build
+rm -rf src
+if [ "$#" -eq 0 ]; then
+    COMMIT=$(get_commit)
+else
+    COMMIT="$1"
+fi
+sh ./import.sh "${COMMIT}"
+mv ./src_moz.build ./src/moz.build
+COMMITDATE=$(get_date)
+for FILE in $(ls patches/*.patch | sort); do
+    echo "Applying ${FILE} ..."
+    patch -p3 --no-backup-if-mismatch < ${FILE}
+done
+hg add src
+
+perl -p -i -e "s/\[commit [0-9a-f]{40} \(.{1,100}\)\]/[commit ${COMMIT} (${COMMITDATE})]/" README.mozilla
+
+echo "###"
+echo "### Updated fdlibm/src to ${COMMIT}."
+echo "### Remember to verify and commit the changes to source control!"
+echo "###"