$ git clone -n https://git.cclinux.org/stage/rpms/glibc.git /var/lib/mock/dist-circle8_10-updates-build-126534-90546/root/chroot_tmpdir/scmroot/glibc
Cloning into '/var/lib/mock/dist-circle8_10-updates-build-126534-90546/root/chroot_tmpdir/scmroot/glibc'...
$ git fetch origin a5712ff7f7eca9669b5111aa49af5e8e4c4ca8b9:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/glibc
 * [new ref]         a5712ff7f7eca9669b5111aa49af5e8e4c4ca8b9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a5712ff import glibc-2.28-251.el8_10.11