upstream/mercurial-mirror Files · contrib/docker/apache-server/entrypoint.sh

largefiles: access to specific fields only if largefiles enabled (issue4547)...

largefiles: access to specific fields only if largefiles enabled (issue4547) Even if largefiles extension is enabled in a repository, "repo" object, which isn't "largefiles.reposetup()"-ed, is passed to overridden functions in the cases below unexpectedly, because extensions are enabled for each repositories strictly. (1) clone without -U: (2) pull with -U: (3) pull with --rebase: combination of "enabled@src", "disabled@dst" and "not-required@src" cause this situation. largefiles requirement @src @dst @src result -------- -------- --------------- -------------------- enabled disabled not-required aborted unexpectedly required requirement error (intentional) -------- -------- --------------- -------------------- enabled enabled * success -------- -------- --------------- -------------------- disabled enabled * success (only for "pull") -------- -------- --------------- -------------------- disabled disabled not-required success required requirement error (intentional) -------- -------- --------------- -------------------- (4) update/revert with a subrepo disabling largefiles In these cases, overridden functions cause accessing to largefiles specific fields of not "largefiles.reposetup()"-ed "repo" object, and execution is aborted. - (1), (2), (4) cause accessing to "_lfstatuswriters" in "getstatuswriter()" invoked via "updatelfiles()" - (3) causes accessing to "_lfcommithooks" in "overriderebase()" For safe accessing to these fields, this patch examines whether passed "repo" object is "largefiles.reposetup()"-ed or not before accessing to them. This patch chooses examining existence of newly introduced "_largefilesenabled" instead of "_lfcommithooks" and "_lfstatuswriters" directly, because the former is better name for the generic "largefiles is enabled in this repo" mark than the latter. In the future, all other overridden functions should avoid largefiles specific processing for efficiency, and "_largefilesenabled" is better also for such purpose. BTW, "lfstatus" can't be used for such purpose, because some code paths set it forcibly regardless of existence of it in specified "repo" object.

Gregory Szorc - - Load All Authors

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      #!/bin/bash

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

      # the Mercurial environment and invoke the server.

      # Mercurial can be started in two modes.

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

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

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

      set -e

      SOURCE_DIR=/var/hg/source

      INSTALL_DIR=/var/hg/install

      REPOS_DIR=/var/hg/repos

      HTDOCS_DIR=/var/hg/htdocs

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

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

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

        echo "when running the container. For example:"

        echo ""

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

        echo ""

        echo "This container will now stop running."

        exit 1

      fi

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

      pushd ${SOURCE_DIR}

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

      popd

      mkdir -p ${HTDOCS_DIR}

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

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

        cp /defaulthgwebconfig ${HTDOCS_DIR}/config

      fi

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

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

      config = '${HTDOCS_DIR}/config'

      import sys

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

      from mercurial import demandimport

      demandimport.enable()

      from mercurial.hgweb import hgweb

      application = hgweb(config)

      EOF

      fi

      mkdir -p ${REPOS_DIR}

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

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

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

      fi

      # This is necessary to make debuginstall happy.

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

        cat >> ~/.hgrc << EOF

      [ui]

      username = Dummy User <nobody@example.com>

      EOF

      fi

      echo "Verifying Mercurial installation looks happy"

      ${INSTALL_DIR}/bin/hg debuginstall

      . /etc/apache2/envvars

      echo "Starting Apache HTTP Server on port 80"

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

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

      exec "$@"

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				#!/bin/bash

				# This script gets executed on container start. Its job is to set up
				# the Mercurial environment and invoke the server.

				# Mercurial can be started in two modes.
				# If the MERCURIAL_SOURCE environment variable is set and it points to a
				# Mercurial source directory, we will install Mercurial from that directory.
				# Otherwise, we download the Mercurial source and install it manually.

				set -e

				SOURCE_DIR=/var/hg/source
				INSTALL_DIR=/var/hg/install
				REPOS_DIR=/var/hg/repos
				HTDOCS_DIR=/var/hg/htdocs

				if [ ! -d ${SOURCE_DIR} ]; then
				echo "Mercurial source not available at ${SOURCE_DIR}"
				echo "You need to mount a volume containing the Mercurial source code"
				echo "when running the container. For example:"
				echo ""
				echo " $ docker run -v ~/src/hg:/${SOURCE_DIR} hg-apache"
				echo ""
				echo "This container will now stop running."
				exit 1
				fi

				echo "Installing Mercurial from ${SOURCE_DIR} into ${INSTALL_DIR}"
				pushd ${SOURCE_DIR}
				/usr/bin/python2.7 setup.py install --root=/ --prefix=${INSTALL_DIR} --force
				popd

				mkdir -p ${HTDOCS_DIR}

				# Provide a default config if the user hasn't supplied one.
				if [ ! -f ${HTDOCS_DIR}/config ]; then
				cp /defaulthgwebconfig ${HTDOCS_DIR}/config
				fi

				if [ ! -f ${HTDOCS_DIR}/hgweb.wsgi ]; then
				cat >> ${HTDOCS_DIR}/hgweb.wsgi << EOF
				config = '${HTDOCS_DIR}/config'

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

				from mercurial import demandimport
				demandimport.enable()

				from mercurial.hgweb import hgweb
				application = hgweb(config)
				EOF
				fi

				mkdir -p ${REPOS_DIR}

				if [ ! -d ${REPOS_DIR}/repo ]; then
				${INSTALL_DIR}/bin/hg init ${REPOS_DIR}/repo
				chown -R www-data:www-data ${REPOS_DIR}/repo
				fi

				# This is necessary to make debuginstall happy.
				if [ ! -f ~/.hgrc ]; then
				cat >> ~/.hgrc << EOF
				[ui]
				username = Dummy User <nobody@example.com>
				EOF
				fi

				echo "Verifying Mercurial installation looks happy"
				${INSTALL_DIR}/bin/hg debuginstall

				. /etc/apache2/envvars

				echo "Starting Apache HTTP Server on port 80"
				echo "We hope you remembered to publish this port when running the container!"
				echo "If this is an interactive container, simply CTRL^C to stop."

				exec "$@"