$ git clone -n https://src.fedoraproject.org/rpms/xmlpull.git /var/lib/mock/f40-build-2117228-50724/root/chroot_tmpdir/scmroot/xmlpull
Cloning into '/var/lib/mock/f40-build-2117228-50724/root/chroot_tmpdir/scmroot/xmlpull'...
$ git fetch origin 31866cef7c08d22efda30177cb2710d96a96e101:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xmlpull
 * [new ref]         31866cef7c08d22efda30177cb2710d96a96e101 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 31866ce Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild