$ git clone -n https://src.fedoraproject.org/rpms/jacoco.git /var/lib/mock/f40-build-2535194-61850/root/chroot_tmpdir/scmroot/jacoco
Cloning into '/var/lib/mock/f40-build-2535194-61850/root/chroot_tmpdir/scmroot/jacoco'...
$ git fetch origin 63cb29507532fc6a52f00f3afc2ec22ef8bb054b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jacoco
 * [new ref]         63cb29507532fc6a52f00f3afc2ec22ef8bb054b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 63cb295 Rebuilt for java-21-openjdk as system jdk