$ git clone -n https://src.fedoraproject.org/rpms/pdftk-java.git /var/lib/mock/f39-build-1537262-36364/root/chroot_tmpdir/scmroot/pdftk-java
Cloning into '/var/lib/mock/f39-build-1537262-36364/root/chroot_tmpdir/scmroot/pdftk-java'...
$ git fetch origin a36acbc15b3816dd8a885262878a87f16f361935:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pdftk-java
 * [new ref]         a36acbc15b3816dd8a885262878a87f16f361935 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a36acbc Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild