Update Git repositories available in the current directory and reset them to the status of a freshly cloned repository

updateGitRepos.sh

#!/bin/bash
#set -o xtrace
set -o errexit
set -o nounset
set -o pipefail
IFS=$'\t\n'
unset CDPATH

for f in *
do
	if [[ $(git -C "$f" rev-parse --is-inside-work-tree 2> /dev/null) == "true" ]]
	then
		echo -n "Update/pull of \`$f' ... "
		git -C "$f" fetch origin --prune
		git -C "$f" pull --rebase
		git -C "$f" fetch origin --tags --force
	elif [[ $(git -C "$f" rev-parse --is-bare-repository 2> /dev/null) == "true" ]]
	then
		echo -n "Update (bare) of \`$f' ... "
		git -C "$f" fetch origin --prune --tags --force
	else
		echo "Skipping \`$f' for some reason"
	fi
done