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#!/bin/sh -eu
# This function exists to set up the DOCKER variable and verify that
# it's the binary we expect. It also verifies that the docker service
# is running on the system and we can talk to it.
function checkdocker() {
if which docker.io >> /dev/null 2>&1 ; then
DOCKER=docker.io
elif which docker >> /dev/null 2>&1 ; then
DOCKER=docker
else
echo "Error: docker must be installed"
exit 1
fi
$DOCKER -h 2> /dev/null | grep -q Jansens && { echo "Error: $DOCKER is the Docking System Tray - install docker.io instead"; exit 1; }
$DOCKER version | grep -Eq "^Client( version)?:" || { echo "Error: unexpected output from \"$DOCKER version\""; exit 1; }
$DOCKER version | grep -Eq "^Server( version)?:" || { echo "Error: could not get docker server version - check it is running and your permissions"; exit 1; }
}
# Construct a container and leave its name in $CONTAINER for future use.
function initcontainer() {
[ "$1" ] || { echo "Error: platform name must be specified"; exit 1; }
DFILE="$ROOTDIR/contrib/docker/$1"
[ -f "$DFILE" ] || { echo "Error: docker file $DFILE not found"; exit 1; }
CONTAINER="hg-dockerrpm-$1"
DBUILDUSER=build
(
cat $DFILE
if [ $(uname) = "Darwin" ] ; then
# The builder is using boot2docker on OS X, so we're going to
# *guess* the uid of the user inside the VM that is actually
# running docker. This is *very likely* to fail at some point.
echo RUN useradd $DBUILDUSER -u 1000
else
echo RUN groupadd $DBUILDUSER -g `id -g` -o
echo RUN useradd $DBUILDUSER -u `id -u` -g $DBUILDUSER -o
fi
) | $DOCKER build --tag $CONTAINER -
}
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