main: add -e as an alias for -exclude

Documentation/MANPAGE.md

@@ -76,7 +76,7 @@ prior to 1.9, which fall back to weak random data when the getrandom syscall
 is blocking. Using this option can block indefinitely when the kernel cannot
 harvest enough entropy.
 
-#### -exclude PATH
+#### -e PATH, -exclude PATH
 Only for reverse mode: exclude relative plaintext path from the encrypted
 view. Can be passed multiple times. Example:
 

README.md

@@ -158,7 +158,7 @@ vNEXT, in progress
 * Only print master key once, on init
   ([#76](https://github.com/rfjakob/gocryptfs/issues/76),
   [commit](https://github.com/rfjakob/gocryptfs/commit/6d64dfe8f7acd8e9ca4a659d26318e442c2db85a))
-* Add `-exclude` option for reverse mode
+* Add `-e` / `-exclude` option for reverse mode
   ([#235](https://github.com/rfjakob/gocryptfs/issues/235),
   [commit](https://github.com/rfjakob/gocryptfs/commit/ec2fdc19cf9358ae7ba09c528a5807b6b0760f9b))
 

cli_args.go

@@ -176,6 +176,8 @@ func parseCliOpts() (args argContainer) {
 	flagSet.StringVar(&args.force_owner, "force_owner", "", "uid:gid pair to coerce ownership")
 	flagSet.StringVar(&args.trace, "trace", "", "Write execution trace to file")
 
+	// -e, --exclude
+	flagSet.Var(&args.exclude, "e", "Alias for -exclude")
 	flagSet.Var(&args.exclude, "exclude", "Exclude relative path from reverse view")
 
 	flagSet.IntVar(&args.notifypid, "notifypid", 0, "Send USR1 to the specified process after "+

tests/reverse/exclude_test.go

@@ -44,7 +44,7 @@ func ctlsockEncryptPath(t *testing.T, sock string, path string) string {
 	return response.Result
 }
 
-func TestExclude(t *testing.T) {
+func testExclude(t *testing.T, flag string) {
 	pOk := []string{
 		"file2",
 		"dir1/file1",
@@ -74,7 +74,7 @@ func TestExclude(t *testing.T) {
 	sock := mnt + ".sock"
 	cliArgs := []string{"-reverse", "-extpass", "echo test", "-ctlsock", sock}
 	for _, v := range pExclude {
-		cliArgs = append(cliArgs, "-exclude", v)
+		cliArgs = append(cliArgs, flag, v)
 	}
 	if plaintextnames {
 		cliArgs = append(cliArgs, "-config", "exclude_test_fs/.gocryptfs.reverse.conf.plaintextnames")
@@ -102,3 +102,8 @@ func TestExclude(t *testing.T) {
 		}
 	}
 }
+
+func TestExclude(t *testing.T) {
+	testExclude(t, "-exclude")
+	testExclude(t, "-e")
+}