$ git clone -n https://src.fedoraproject.org/rpms/python3-exiv2.git /var/lib/mock/f40-build-734667-106004/root/chroot_tmpdir/scmroot/python3-exiv2
Cloning into '/var/lib/mock/f40-build-734667-106004/root/chroot_tmpdir/scmroot/python3-exiv2'...
$ git fetch origin 08cf702ec6e15ecaa1ca15d2ec4819874bb007d4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python3-exiv2
 * [new ref]         08cf702ec6e15ecaa1ca15d2ec4819874bb007d4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 08cf702 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild