$ git clone -n https://git.cclinux.org/stage/rpms/vulkan-headers.git /var/lib/mock/dist-circle8_10-updates-build-118879-82738/root/chroot_tmpdir/scmroot/vulkan-headers
Cloning into '/var/lib/mock/dist-circle8_10-updates-build-118879-82738/root/chroot_tmpdir/scmroot/vulkan-headers'...
$ git fetch origin 0f4b26aaee7b3dfe16f413623bcd0ab10584fbeb:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/vulkan-headers
 * [new ref]         0f4b26aaee7b3dfe16f413623bcd0ab10584fbeb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0f4b26a import vulkan-headers-1.3.283.0-1.el8_10