1 files changed, 90 insertions, 0 deletions
diff --git a/utils/update-mojo.sh b/utils/update-mojo.sh
new file mode 100755
index 00000000..09c8ff5b
--- /dev/null
+++ b/utils/update-mojo.sh
@@ -0,0 +1,90 @@
+#!/bin/sh
+
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Update mojo copy from a chromium source tree
+
+set -e
+
+if [ $# != 1 ] ; then
+	echo "Usage: $0 <chromium dir>"
+	exit 1
+fi
+
+ipc_dir="$(dirname "$(realpath "$0")")/ipc"
+chromium_dir="$(realpath "$1")"
+
+cd "${ipc_dir}/../../"
+
+# Reject dirty libcamera trees
+if [ -n "$(git status --porcelain -uno)" ] ; then
+	echo "libcamera tree is dirty"
+	exit 1
+fi
+
+if [ ! -d "${chromium_dir}/mojo" ] ; then
+	echo "Directory ${chromium_dir} doesn't contain mojo"
+	exit 1
+fi
+
+if [ ! -d "${chromium_dir}/.git" ] ; then
+	echo "Directory ${chromium_dir} doesn't contain a git tree"
+	exit 1
+fi
+
+# Get the chromium commit id
+version=$(git -C "${chromium_dir}" rev-parse --short HEAD)
+
+# Reject dirty chromium trees
+if [ -n "$(git -C "${chromium_dir}" status --porcelain)" ] ; then
+	echo "Chromium tree in ${chromium_dir} is dirty"
+	exit 1
+fi
+
+# Remove the previously imported files.
+rm -rf utils/ipc/mojo/
+rm -rf utils/ipc/tools/
+
+# Copy the diagnosis file
+mkdir -p utils/ipc/tools/diagnosis/
+cp "${chromium_dir}/tools/diagnosis/crbug_1001171.py" utils/ipc/tools/diagnosis/
+
+# Copy the rest of mojo
+mkdir -p utils/ipc/mojo/public/
+cp "${chromium_dir}/mojo/public/LICENSE" utils/ipc/mojo/public/
+
+(
+	cd "${chromium_dir}" || exit
+	find ./mojo/public/tools -type f \
+	     -not -path "*/generators/*" \
+	     -not -path "*/fuzzers/*" \
+	     -exec cp --parents "{}" "${ipc_dir}" ";"
+)
+
+# Update the README files
+readme=$(cat <<EOF
+# SPDX-License-Identifier: CC0-1.0
+
+Files in this directory are imported from ${version} of Chromium. Do not
+modify them manually.
+EOF
+)
+
+echo "$readme" > utils/ipc/mojo/README
+echo "$readme" > utils/ipc/tools/README
+
+# Commit the update. Use 'git commit -n' to avoid checkstyle pre-commit hook
+# failures, as mojo doesn't comply with the Python coding style enforced by
+# checkstyle.py.
+git add utils/ipc/mojo/
+git add utils/ipc/tools/
+
+echo "utils: ipc: Update mojo
+
+Update mojo from commit
+
+$(git -C "${chromium_dir}" show --pretty='%H "%s"' --no-patch)
+
+from the Chromium repository.
+
+The update-mojo.sh script was used for this update." | \
+git commit -n -s -F -