3cba378ad5
As requested at https://github.com/rfjakob/gocryptfs/pull/280
99 lines
2.9 KiB
Bash
Executable File
99 lines
2.9 KiB
Bash
Executable File
#!/bin/bash -eu
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#
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# Compile gocryptfs and bake the git version string of itself and the go-fuse
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# library into the binary.
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#
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# If you want to fake a build date to reproduce a specific build,
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# you can use:
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# BUILDDATE=2017-02-03 ./build.bash
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# or
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# SOURCE_DATE_EPOCH=1544192417 ./build.bash
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# .
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cd "$(dirname "$0")"
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MYDIR=$PWD
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# Make sure we have the go binary
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go version > /dev/null
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# GOPATH may contain multiple paths separated by ":"
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GOPATH1=$(go env GOPATH | cut -f1 -d:)
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if [[ $PWD != *"/src/github.com/rfjakob/gocryptfs" ]] ; then
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echo "Warning: Building outside of GOPATH will most likely fail."
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echo " Please rename $PWD to $GOPATH1/src/github.com/rfjakob/gocryptfs ."
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sleep 5
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echo
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fi
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# gocryptfs version according to git or a VERSION file
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if [[ -d .git ]] ; then
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GITVERSION=$(git describe --tags --dirty)
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elif [[ -f VERSION ]] ; then
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GITVERSION=$(cat VERSION)
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else
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echo "Warning: could not determine gocryptfs version"
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GITVERSION="[unknown]"
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fi
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# go-fuse version, if available
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if [[ -d vendor/github.com/hanwen/go-fuse ]] ; then
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GITVERSIONFUSE="[vendored]"
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else
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# go-fuse version according to git
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# Note: git in CentOS 7 does not have "git -C" yet, so we use plain "cd".
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FAIL=0
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cd $GOPATH1/src/github.com/hanwen/go-fuse
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OUT=$(git describe --tags --dirty 2>&1) || FAIL=1
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if [[ $FAIL -eq 0 ]]; then
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GITVERSIONFUSE=$OUT
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else
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echo "$PWD: git describe: $OUT"
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echo "Warning: could not determine go-fuse version"
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GITVERSIONFUSE="[unknown]"
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fi
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cd "$MYDIR"
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fi
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# Build date, something like "2017-09-06". Don't override BUILDDATE
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# if it is already set. This may be done for reproducible builds.
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if [[ -z ${BUILDDATE:-} ]] ; then
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BUILDDATE=$(date +%Y-%m-%d)
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fi
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# If SOURCE_DATE_EPOCH is set, it overrides BUILDDATE. This is the
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# standard environment variable for faking the date in reproducible builds.
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if [[ -n ${SOURCE_DATE_EPOCH:-} ]] ; then
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BUILDDATE=$(date --utc --date="@${SOURCE_DATE_EPOCH}" +%Y-%m-%d)
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fi
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# For reproducible builds, we get rid of $HOME references in the binary
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# using "-trimpath".
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# Note: we have to set both -gcflags and -asmflags because otherwise
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# "$HOME/go/src/golang.org/x/sys/unix/asm_linux_amd64.s" stays in the binary.
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GV=$(go version)
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if [[ $GV == *"1.7"* ]] || [[ $GV == *"1.8"* ]] || [[ $GV == *"1.9"* ]] ; then
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TRIM="-trimpath=${GOPATH1}/src"
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else
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# Go 1.10 changed the syntax. You now have to prefix "all=" to affect
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# all compiled packages.
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TRIM="all=-trimpath=${GOPATH1}/src"
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fi
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GO_LDFLAGS="-X main.GitVersion=$GITVERSION -X main.GitVersionFuse=$GITVERSIONFUSE -X main.BuildDate=$BUILDDATE"
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# If LDFLAGS is set, add it as "-extldflags".
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if [[ -n ${LDFLAGS:-} ]] ; then
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GO_LDFLAGS="-extldflags=$LDFLAGS $GO_LDFLAGS"
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fi
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# Actual "go build" call
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go build "-ldflags=$GO_LDFLAGS" "-gcflags=$TRIM" "-asmflags=$TRIM" "$@"
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(cd gocryptfs-xray; go build "-gcflags=$TRIM" "-asmflags=$TRIM" "$@")
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./gocryptfs -version
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mkdir -p $GOPATH1/bin
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cp -af gocryptfs $GOPATH1/bin
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