$ git clone -n https://git.cclinux.org/stage/rpms/vulkan-headers.git /mnt/compose/mock/dist-circle9-build-95596-42560/root/chroot_tmpdir/scmroot/vulkan-headers
Cloning into '/mnt/compose/mock/dist-circle9-build-95596-42560/root/chroot_tmpdir/scmroot/vulkan-headers'...
$ git fetch origin fa9ccb933f81658a16450f806af2c15e00d062c9:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/vulkan-headers
 * [new ref]         fa9ccb933f81658a16450f806af2c15e00d062c9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa9ccb9 import vulkan-headers-1.3.239.0-2.el9