ls -d

• ls -d */ | parallel git -C {} pull (assuming all sub-dirs are git repositories)

• ls -d */ | xargs -I {} git -C {} fetch --all

Related

• git log
• fatal: not a git repository (or any of the parent directories): .git
• ghorg

See also

• ls, find, tree, mc, attr, xattr, chmod, rclone lsd, lsdir, ls -1, ls -A
• Folder, ., .., Hidden folders, ls -d
• git pull [ -v | -a ] git request-pull, git pull origin master Pull Request (PR), --no-rebase, --rebase
• git fetch [ --all | origin ], git auto-fetch, git -C, git.autofetch, git-auto-fetch (zsh)

https://stackoverflow.com/a/33557279