Update all git repositories under PWD or $1

gup

#!/bin/bash
# Update all git repositories under PWD or $1
# Assumes basic `git clone` usage; may not work for more elaborate git layouts.

BASEDIR="${1:-.}"

SSH_KEY_NAME="..."  # some distinguishing string from your ssh-add -l output
SSH_KEY_FILE="..."  # the filename of your SSH key 

if ssh-add -l | grep -F -q $SSH_KEY_NAME; then
    echo "key in agent" >/dev/null
else
    ssh-add -t 8h "$SSH_KEY_FILE"
fi

PROJECTS="$(find "$BASEDIR" -name .git -and -type d -print0 | xargs -0 -n1 dirname)"
for proj in $PROJECTS; do
    echo -e "\e[1;96m$proj\e[0m"
    git -C "$proj" pull --ff-only --recurse-submodules --tags --all --stat --prune
done