webpage-git-post-receive-hook

#!/bin/bash

PAGE_DIR=/var/www/
TMP_PAGE_CLONE=$HOME/page-tmp
PAGE_GIT=/home/git/page.git
PAGE=$TMP_PAGE_CLONE/index.html

CURRENT_AGE=`python -c 'from datetime import date;print(date.today() - date(1990, 11, 4)).days / 365'`
CURRENT_YEAR=`date +%Y`

function template_replace {
    echo "Replacing '{{$1}}' by '$2'";
    sed -i "s/{{$1}}/$2/" $PAGE;
}

git clone $PAGE_GIT $TMP_PAGE_CLONE

# Replace placeholders by computed values
template_replace age $CURRENT_AGE
template_replace year $CURRENT_YEAR

cp -rvu --preserve=mode,ownership $TMP_PAGE_CLONE/* $PAGE_DIR
rm -rf $TMP_PAGE_CLONE
echo "Temporary repository removed"
echo "Deployment complete"