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diff --git a/add-git-repo b/add-git-repo
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+#!/bin/sh
+
+### Create a centralized Git repository
+
+### Copyright (C) 2015 Rafael Laboissiere
+###
+### This program is free software; you can redistribute it and/or modify it under
+### the terms of the GNU General Public License as published by the Free Software
+### Foundation; either version 3 of the License, or (at your option) any later
+### version.
+###
+### This program is distributed in the hope that it will be useful, but WITHOUT
+### ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+### FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+### details.
+###
+### You should have received a copy of the GNU General Public License along with
+### this program; if not, see <http://www.gnu.org/licenses/>.
+
+### Get the program name
+prog=${0##*/}
+
+### Ensure that the correct number of arguments are given
+if [ $# != 2 ] ; then
+    echo "Usage: $prog user repo" 1>&2
+    exit 1
+fi
+
+### Get the user name and check its sanity
+user=$1
+
+ret=false
+id -u $user >/dev/null 2>&1 && ret=true
+
+if [ $ret = false ] ; then
+    echo "$prog:E: User $user does not exist.  Add it first." 1>&2
+    exit 1
+fi
+
+### Create the repo
+home=$(getent passwd $user | cut -f6 -d:)
+repo=$home/$2
+if [ -d $repo ] ; then
+    echo "$prog:E: Repository $repo already exists.  Nothing will be done." 1>&2
+    exit 1
+fi
+mkdir $repo
+( cd $repo ; git init --bare)
+chown -R $user:$user $repo
+echo "$prog:I: Created Git repository $repo"