$ git clone -n https://src.fedoraproject.org/rpms/gtksourceviewmm3.git /var/lib/mock/f41-build-836902-158940/root/chroot_tmpdir/scmroot/gtksourceviewmm3
Cloning into '/var/lib/mock/f41-build-836902-158940/root/chroot_tmpdir/scmroot/gtksourceviewmm3'...
$ git fetch origin 3b86e15c34fac4b37dbcc8e245a1bd31d74eaf15:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gtksourceviewmm3
 * [new ref]         3b86e15c34fac4b37dbcc8e245a1bd31d74eaf15 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3b86e15 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild