$ git clone -n https://src.fedoraproject.org/rpms/glibc.git /var/lib/mock/f40-build-1924388-25102/root/chroot_tmpdir/scmroot/glibc
Cloning into '/var/lib/mock/f40-build-1924388-25102/root/chroot_tmpdir/scmroot/glibc'...
$ git fetch origin 9404e14f4dac97005341d16c86c4de672966d22e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/glibc
 * [new ref]         9404e14f4dac97005341d16c86c4de672966d22e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9404e14 Backport /etc/resolv.conf enhancements to thelp with RHEL-18039 testing