portzap/libexec/portzap/portzap-pull

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#!/bin/sh -e
##
# variables
gitdir=$1
branch=$2
##
# main
set -x
umask u=rwX,g=rwX,o=
if [ -e "${gitdir}/.git" ]; then
cd "${gitdir}"
git pull --rebase origin "${branch}"
else
set +x
echo "[-] ${gitdir} is not a valid git repository."
echo "[-] Try 'portzap clone'"
exit 1
fi