main: drop "on-disk format" from -version output, add Go version

As v0.4 introduced ext4-style feature flags, the on-disk format version
is unlinkely to change. Drop it from the version output to reduce
clutter. Use "gocryptfs -version -debug" to see it.

Add the Go version string because only Go 1.6 and newer have an optimized
AES-GCM implementation. This will help users to understand the performance
of their build.

1 files changed, 1 insertions, 1 deletions

diff --git a/build.bash b/build.bash
index c7731ca..829953b 100755
--- a/build.bash
+++ b/build.bash
@@ -12,7 +12,7 @@ GITVERSIONFUSE=$(cd $GOPATH/src/github.com/hanwen/go-fuse && git rev-parse --sho
 # Make sure we have the go binary
 go version > /dev/null
 
-# go version go1.5.1 linux/amd64
+# "go version go1.6.2 linux/amd64" -> "1.6"
 V=$(go version | cut -d" " -f3 | cut -c3-5)
 
 if [ $V == "1.3" -o $V == "1.4" ]