$ hugo version Hugo Static Site Generator v0.22.1 linux/amd64 BuildDate: 2017-06-13T12:18:34Z $ git submodule update --init --recursive fatal: reference is not a tree: 2767de7ee42c9fffb2111e06b6fda900a2db4ef8 From https://git.sadmansk.com/sadmansk/hugo-goa 3ae7bc3..1f5e998 master -> origin/master Submodule path 'themes/hugo-goa': checked out '1f5e99880bed49927aabce586dfcf3dba0c872f3' Unable to checkout '2767de7ee42c9fffb2111e06b6fda900a2db4ef8' in submodule path 'content/blog' ERROR: Job failed: exit code 1