weeklygits.sh

#!/bin/sh
set -o errexit  # exit on error
set -o nounset  # treat unset variables as an error

argc=$#
weeks=0

if [ $argc -ge 1 ]; then
    if [ $1 -ge 1 ] && [ $1 -lt 100 ]; then
        weeks=$1
    fi
fi

if [ $weeks -le 0 ]; then
    echo "usage: $0 number_of_weeks"
    exit 1
fi

for week in $(seq -f 'week%02.f' 1 $weeks); do
    mkdir -p $week
    pushd $week
    if [ ! -e .git ]; then
        git init -q
        git commit -q -m 'Initial commit' --allow-empty
    fi
    popd
done