$ git clone -n https://src.fedoraproject.org/rpms/gdb-exploitable.git /var/lib/mock/f38-build-side-42-init-devel-623227-26359/root/chroot_tmpdir/scmroot/gdb-exploitable
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-623227-26359/root/chroot_tmpdir/scmroot/gdb-exploitable'...
$ git fetch origin 4b5e7f2361ce17e58cf011c57273fa7bb23d6f25:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gdb-exploitable
 * [new ref]         4b5e7f2361ce17e58cf011c57273fa7bb23d6f25 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4b5e7f2 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild