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The git activity graph generator nobody asked for, in bash.
It draws a github-like activity graph from commits count in repos on disk.
sgs [-h|--help] [-o <output file>] [-f <date from>] [-t <date_to>] [-a <author email>]... [folder]
folder The folder from where start to looking for git repos (default: current dir)
-h --help Print help
-o Output file name (default: graph.svg)
-f Draw grap starting from date (YYYY-MM-DD) (deafult: a year before end date)
-t Draw grap up to date (YYYY-MM-DD) (default: today)
-a author name or email to match to select commit for the grap (default: current user name)
Can be specified multiple times