$ git clone -n https://src.fedoraproject.org/rpms/yacreader.git /var/lib/mock/f39-build-1625973-39227/root/chroot_tmpdir/scmroot/yacreader
Cloning into '/var/lib/mock/f39-build-1625973-39227/root/chroot_tmpdir/scmroot/yacreader'...
$ git fetch origin adb2ed2c66a87562f2cd2c0a954054caf891dc22:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/yacreader
 * [new ref]         adb2ed2c66a87562f2cd2c0a954054caf891dc22 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at adb2ed2 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild