libgocryptfs/build.bash

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#!/bin/bash
set -eu
cd "$(dirname "$0")"
MYDIR=$PWD
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# GOPATH may contain multiple paths separated by ":"
GOPATH1=$(go env GOPATH | cut -f1 -d:)
# gocryptfs version according to git
GITVERSION=$(git describe --tags --dirty)
# go-fuse version according to git
# Note: git in CentOS 7 does not have "git -C" yet, so we use plain "cd".
FAIL=0
cd $GOPATH1/src/github.com/hanwen/go-fuse
OUT=$(git describe --tags --dirty 2>&1) || FAIL=1
if [[ $FAIL -ne 0 ]]; then
echo "$PWD: git describe: $OUT"
echo "Hint: are you missing git tags?"
exit 1
fi
GITVERSIONFUSE=$OUT
cd "$MYDIR"
# Build Unix timestamp, something like 1467554204.
BUILDTIME=$(date +%s)
# Make sure we have the go binary
go version > /dev/null
# Parse "go version go1.6.2 linux/amd64" to "1.6"
V=$(go version | cut -d" " -f3 | cut -c3-5)
# Reject old Go versions already here. It would fail with compile
# errors anyway.
if [[ $V == "1.3" || $V == "1.4" ]] ; then
echo "Error: you need Go 1.5 or higher to compile gocryptfs"
echo -n "You have: "
go version
fi
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LDFLAGS="-X main.GitVersion=$GITVERSION -X main.GitVersionFuse=$GITVERSIONFUSE -X main.BuildTime=$BUILDTIME"
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go build "-ldflags=$LDFLAGS" $@
(cd gocryptfs-xray; go build $@)
./gocryptfs -version
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mkdir -p $GOPATH1/bin
cp -af gocryptfs $GOPATH1/bin