$ git clone -n https://src.fedoraproject.org/rpms/gcl.git /var/lib/mock/f31-build-90001-32151/root/chroot_tmpdir/scmroot/gcl
Cloning into '/var/lib/mock/f31-build-90001-32151/root/chroot_tmpdir/scmroot/gcl'...
$ git reset --hard 4c1f099fa6470bcb69c8c4697ca2e908fbabf9b5
Checking out files:  68% (87/127)   
Checking out files:  69% (88/127)   
Checking out files:  70% (89/127)   
Checking out files:  71% (91/127)   
Checking out files:  72% (92/127)   
Checking out files:  73% (93/127)   
Checking out files:  74% (94/127)   
Checking out files:  75% (96/127)   
Checking out files:  76% (97/127)   
Checking out files:  77% (98/127)   
Checking out files:  78% (100/127)   
Checking out files:  79% (101/127)   
Checking out files:  80% (102/127)   
Checking out files:  81% (103/127)   
Checking out files:  82% (105/127)   
Checking out files:  83% (106/127)   
Checking out files:  84% (107/127)   
Checking out files:  85% (108/127)   
Checking out files:  86% (110/127)   
Checking out files:  87% (111/127)   
Checking out files:  88% (112/127)   
Checking out files:  89% (114/127)   
Checking out files:  90% (115/127)   
Checking out files:  91% (116/127)   
Checking out files:  92% (117/127)   
Checking out files:  93% (119/127)   
Checking out files:  94% (120/127)   
Checking out files:  95% (121/127)   
Checking out files:  96% (122/127)   
Checking out files:  97% (124/127)   
Checking out files:  98% (125/127)   
Checking out files:  99% (126/127)   
Checking out files: 100% (127/127)   
Checking out files: 100% (127/127), done.
HEAD is now at 4c1f099 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild