$ git clone -n https://src.fedoraproject.org/rpms/glibc.git /var/lib/mock/f45-bootstrap-292-173/root/chroot_tmpdir/scmroot/glibc
Cloning into '/var/lib/mock/f45-bootstrap-292-173/root/chroot_tmpdir/scmroot/glibc'...
$ git fetch origin 82bdfa69f4b1b35dcf4b8b54c055d8865b0680ae:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/glibc
 * [new ref]         82bdfa69f4b1b35dcf4b8b54c055d8865b0680ae -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 82bdfa6 Bump to 2.44.9000 for F46