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moby--moby/project/make/dynbinary

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#!/bin/bash
set -e
DEST=$1
if [ -z "$DOCKER_CLIENTONLY" ]; then
# dockerinit still needs to be a static binary, even if docker is dynamic
go build \
-o "$DEST/dockerinit-$VERSION" \
"${BUILDFLAGS[@]}" \
-ldflags "
$LDFLAGS
$LDFLAGS_STATIC
-extldflags \"$EXTLDFLAGS_STATIC\"
" \
./dockerinit
echo "Created binary: $DEST/dockerinit-$VERSION"
ln -sf "dockerinit-$VERSION" "$DEST/dockerinit"
hash_files "$DEST/dockerinit-$VERSION"
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)"
else
# DOCKER_CLIENTONLY must be truthy, so we don't need to bother with dockerinit :)
export DOCKER_INITSHA1=""
fi
# exported so that "dyntest" can easily access it later without recalculating it
(
export LDFLAGS_STATIC_DOCKER="-X $DOCKER_PKG/dockerversion.INITSHA1 \"$DOCKER_INITSHA1\" -X $DOCKER_PKG/dockerversion.INITPATH \"$DOCKER_INITPATH\""
export BUILDFLAGS=( "${BUILDFLAGS[@]/netgo /}" ) # disable netgo, since we don't need it for a dynamic binary
source "$(dirname "$BASH_SOURCE")/binary"
)