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#!/bin/bash
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# This script gets executed on container start. Its job is to set up
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# the Mercurial environment and invoke the server.
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# Mercurial can be started in two modes.
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# If the MERCURIAL_SOURCE environment variable is set and it points to a
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# Mercurial source directory, we will install Mercurial from that directory.
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# Otherwise, we download the Mercurial source and install it manually.
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set -e
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SOURCE_DIR=/var/hg/source
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INSTALL_DIR=/var/hg/install
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REPOS_DIR=/var/hg/repos
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HTDOCS_DIR=/var/hg/htdocs
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if [ ! -d ${SOURCE_DIR} ]; then
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echo "Mercurial source not available at ${SOURCE_DIR}"
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echo "You need to mount a volume containing the Mercurial source code"
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echo "when running the container. For example:"
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echo ""
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echo " $ docker run -v ~/src/hg:/${SOURCE_DIR} hg-apache"
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echo ""
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echo "This container will now stop running."
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exit 1
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fi
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echo "Installing Mercurial from ${SOURCE_DIR} into ${INSTALL_DIR}"
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pushd ${SOURCE_DIR}
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/usr/bin/python2.7 setup.py install --root=/ --prefix=${INSTALL_DIR} --force
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popd
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mkdir -p ${HTDOCS_DIR}
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# Provide a default config if the user hasn't supplied one.
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if [ ! -f ${HTDOCS_DIR}/config ]; then
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cp /defaulthgwebconfig ${HTDOCS_DIR}/config
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fi
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if [ ! -f ${HTDOCS_DIR}/hgweb.wsgi ]; then
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cat >> ${HTDOCS_DIR}/hgweb.wsgi << EOF
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config = '${HTDOCS_DIR}/config'
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import sys
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sys.path.insert(0, '${INSTALL_DIR}/lib/python2.7/site-packages')
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from mercurial import demandimport
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demandimport.enable()
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from mercurial.hgweb import hgweb
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application = hgweb(config)
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EOF
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fi
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mkdir -p ${REPOS_DIR}
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if [ ! -d ${REPOS_DIR}/repo ]; then
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${INSTALL_DIR}/bin/hg init ${REPOS_DIR}/repo
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chown -R www-data:www-data ${REPOS_DIR}/repo
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fi
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# This is necessary to make debuginstall happy.
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if [ ! -f ~/.hgrc ]; then
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cat >> ~/.hgrc << EOF
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[ui]
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username = Dummy User <nobody@example.com>
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EOF
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fi
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echo "Verifying Mercurial installation looks happy"
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${INSTALL_DIR}/bin/hg debuginstall
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. /etc/apache2/envvars
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echo "Starting Apache HTTP Server on port 80"
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echo "We hope you remembered to publish this port when running the container!"
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echo "If this is an interactive container, simply CTRL^C to stop."
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exec "$@"
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