#!/bin/sh
set -eu

# The code-channel service runs with UMask=0077. Keep that isolation for its
# database and other state, but make Git objects and refs readable/writable by
# the repository's dedicated shared group after an accepted public push.
repo_dir=$(CDPATH= cd -- "$(dirname -- "$0")/.." && pwd -P)
cd "$repo_dir"
owner_uid=$(id -u)

find "$repo_dir/objects" "$repo_dir/refs" -user "$owner_uid" -type d -exec chmod g+rwx {} +
find "$repo_dir/objects" "$repo_dir/refs" -user "$owner_uid" -type f -exec chmod g+rw {} +

for shared_file in HEAD packed-refs; do
  if [ -f "$repo_dir/$shared_file" ]; then
    find "$repo_dir/$shared_file" -user "$owner_uid" -exec chmod g+rw {} +
  fi
done