1 #!/bin/bash

     2 

     3 # This script gets executed on container start. Its job is to set up

     4 # the Mercurial environment and invoke the server.

     5 

     6 # Mercurial can be started in two modes.

     7 # If the MERCURIAL_SOURCE environment variable is set and it points to a

     8 # Mercurial source directory, we will install Mercurial from that directory.

     9 # Otherwise, we download the Mercurial source and install it manually.

    10 

    11 set -e

    12 

    13 SOURCE_DIR=/var/hg/source

    14 INSTALL_DIR=/var/hg/install

    15 REPOS_DIR=/var/hg/repos

    16 HTDOCS_DIR=/var/hg/htdocs

    17 

    18 if [ ! -d ${SOURCE_DIR} ]; then

    19   echo "Mercurial source not available at ${SOURCE_DIR}"

    20   echo "You need to mount a volume containing the Mercurial source code"

    21   echo "when running the container. For example:"

    22   echo ""

    23   echo "  $ docker run -v ~/src/hg:/${SOURCE_DIR} hg-apache"

    24   echo ""

    25   echo "This container will now stop running."

    26   exit 1

    27 fi

    28 

    29 echo "Installing Mercurial from ${SOURCE_DIR} into ${INSTALL_DIR}"

    30 pushd ${SOURCE_DIR}

    31 /usr/bin/python2.7 setup.py install --root=/ --prefix=${INSTALL_DIR} --force

    32 popd

    33 

    34 mkdir -p ${HTDOCS_DIR}

    35 

    36 # Provide a default config if the user hasn't supplied one.

    37 if [ ! -f ${HTDOCS_DIR}/config ]; then

    38   cp /defaulthgwebconfig ${HTDOCS_DIR}/config

    39 fi

    40 

    41 if [ ! -f ${HTDOCS_DIR}/hgweb.wsgi ]; then

    42   cat >> ${HTDOCS_DIR}/hgweb.wsgi << EOF

    43 config = '${HTDOCS_DIR}/config'

    44 

    45 import sys

    46 sys.path.insert(0, '${INSTALL_DIR}/lib/python2.7/site-packages')

    47 

    48 from mercurial import demandimport

    49 demandimport.enable()

    50 

    51 from mercurial.hgweb import hgweb

    52 application = hgweb(config)

    53 EOF

    54 fi

    55 

    56 mkdir -p ${REPOS_DIR}

    57 

    58 if [ ! -d ${REPOS_DIR}/repo ]; then

    59   ${INSTALL_DIR}/bin/hg init ${REPOS_DIR}/repo

    60   chown -R www-data:www-data ${REPOS_DIR}/repo

    61 fi

    62 

    63 # This is necessary to make debuginstall happy.

    64 if [ ! -f ~/.hgrc ]; then

    65   cat >> ~/.hgrc << EOF

    66 [ui]

    67 username = Dummy User <nobody@example.com>

    68 EOF

    69 fi

    70 

    71 echo "Verifying Mercurial installation looks happy"

    72 ${INSTALL_DIR}/bin/hg debuginstall

    73 

    74 . /etc/apache2/envvars

    75 

    76 echo "Starting Apache HTTP Server on port 80"

    77 echo "We hope you remembered to publish this port when running the container!"

    78 echo "If this is an interactive container, simply CTRL^C to stop."

    79 

    80 exec "$@"