$ git clone -n https://src.fedoraproject.org/rpms/resteasy.git /var/lib/mock/f41-build-841250-15174/root/chroot_tmpdir/scmroot/resteasy
Cloning into '/var/lib/mock/f41-build-841250-15174/root/chroot_tmpdir/scmroot/resteasy'...
$ git fetch origin 47f9fbf4bacbc7e4efbc79271acdfc7867065161:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/resteasy
 * [new ref]         47f9fbf4bacbc7e4efbc79271acdfc7867065161 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 47f9fbf Rebuilt for java-21-openjdk as system jdk