$ git clone -n https://src.fedoraproject.org/rpms/player.git /var/lib/mock/f39-build-2395905-60541/root/chroot_tmpdir/scmroot/player
Cloning into '/var/lib/mock/f39-build-2395905-60541/root/chroot_tmpdir/scmroot/player'...
$ git fetch origin 6a086a22735a4f95a44167450a0ca9c2eaae5ef9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/player
 * [new ref]         6a086a22735a4f95a44167450a0ca9c2eaae5ef9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
Updating files:  14% (2/14)
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Updating files: 100% (14/14)
Updating files: 100% (14/14), done.
HEAD is now at 6a086a2 Rebuild for opencv 4.8.0