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moby--moby/hack/make/dynbinary
Tianon Gravi c7840f522c Add shasum fallback to hack/make/dynbinary for Darwin (where sha1sum is not available)
Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)
2014-02-13 10:27:45 -07:00

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#!/bin/bash
DEST=$1
# dockerinit still needs to be a static binary, even if docker is dynamic
CGO_ENABLED=0 go build -o $DEST/dockerinit-$VERSION -ldflags "$LDFLAGS -d" $BUILDFLAGS ./dockerinit
echo "Created binary: $DEST/dockerinit-$VERSION"
ln -sf dockerinit-$VERSION $DEST/dockerinit
sha1sum=
if command -v sha1sum &> /dev/null; then
sha1sum=sha1sum
elif command -v shasum &> /dev/null; then
# Mac OS X - why couldn't they just use the same command name and be happy?
sha1sum=shasum
else
echo >&2 'error: cannot find sha1sum command or equivalent'
exit 1
fi
# sha1 our new dockerinit to ensure separate docker and dockerinit always run in a perfect pair compiled for one another
export DOCKER_INITSHA1="$($sha1sum $DEST/dockerinit-$VERSION | cut -d' ' -f1)"
# exported so that "dyntest" can easily access it later without recalculating it
(
export LDFLAGS_STATIC="-X github.com/dotcloud/docker/dockerversion.INITSHA1 \"$DOCKER_INITSHA1\" -X github.com/dotcloud/docker/dockerversion.INITPATH \"$DOCKER_INITPATH\""
source "$(dirname "$BASH_SOURCE")/binary"
)