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path: root/go1.4.go
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2017-08-15main: rework "you need Go 1.5" lockout to make "go vet" happyJakob Unterwurzacher
When you run "go vet" explicitely against go1.4.go, it ignores the "+build !go1.5" tag and, of course, throws a syntax error: $ go vet go1.4.go can't load package: package main: go1.4.go:5:1: expected 'package', found 'STRING' "You need Go 1.5 or higher to compile gocryptfs!" Unfortunatey, this is how https://goreportcard.com/ seems to call "go vet", and means we get 0% on the "go vet" test and see this error: An error occurred while running this test (strconv.Atoi: parsing " go1.4.go": invalid syntax) By reworking the logic to use a non-existant package we get an uglier error $ GOROOT=/opt/go1.4.3 /opt/go1.4.3/bin/go build go1.4.go:7:8: cannot find package "You_need_Go_1.5_or_higher_to_compile_gocryptfs" in any of: /opt/go1.4.3/src/You_need_Go_1.5_or_higher_to_compile_gocryptfs (from $GOROOT) /home/jakob/go/src/You_need_Go_1.5_or_higher_to_compile_gocryptfs (from $GOPATH) profiling.go:6:2: cannot find package "runtime/trace" in any of: /opt/go1.4.3/src/runtime/trace (from $GOROOT) /home/jakob/go/src/runtime/trace (from $GOPATH) but make "go vet" happy.
2017-08-02build.bash: implement "you need Go 1.5" lockout in pure GoJakob Unterwurzacher
As noticed by @riking, the logic in the bash script will break when Go 1 version numbers reach double-digits. Instead, use a build tag "!go1.5" to cause a syntax error: $ /opt/go1.4.3/bin/go build can't load package: package github.com/rfjakob/gocryptfs: go1.4.go:5:1: expected 'package', found 'STRING' "You need Go 1.5 or higher to compile gocryptfs!" Fixes https://github.com/rfjakob/gocryptfs/issues/133