$ git clone -n https://src.fedoraproject.org/rpms/GtkAda3.git /var/lib/mock/f42-build-867390-175475/root/chroot_tmpdir/scmroot/GtkAda3
Cloning into '/var/lib/mock/f42-build-867390-175475/root/chroot_tmpdir/scmroot/GtkAda3'...
$ git fetch origin ab0c0e5929436b638277c419a3d22ece7092af8c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/GtkAda3
 * [new ref]         ab0c0e5929436b638277c419a3d22ece7092af8c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab0c0e5 Rebuilt with GCC 15 prerelease.