$ git clone -n https://git.cclinux.org/stage/rpms/vulkan-loader.git /var/lib/mock/dist-circle8_10-updates-build-118881-82755/root/chroot_tmpdir/scmroot/vulkan-loader
Cloning into '/var/lib/mock/dist-circle8_10-updates-build-118881-82755/root/chroot_tmpdir/scmroot/vulkan-loader'...
$ git fetch origin 902a3e0c18af6cf9607d1c7aa63bec394a0122e3:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/vulkan-loader
 * [new ref]         902a3e0c18af6cf9607d1c7aa63bec394a0122e3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 902a3e0 import vulkan-loader-1.3.283.0-1.el8_10