$ git clone -n https://src.fedoraproject.org/rpms/gtksourceview2.git /var/lib/mock/f40-build-2003461-44843/root/chroot_tmpdir/scmroot/gtksourceview2
Cloning into '/var/lib/mock/f40-build-2003461-44843/root/chroot_tmpdir/scmroot/gtksourceview2'...
$ git fetch origin 3a0906c59430d0062d10013d4b6e98b678c7b92d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gtksourceview2
 * [new ref]         3a0906c59430d0062d10013d4b6e98b678c7b92d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3a0906c Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild