os/exec: check for escaped backslash when ParseCommandArgs

Given the following string "cmd /a\ b" to ParseCommandArgs now it should
return "cmd" and ["/a b"] not ["/a\", "b"], because the space after a
is escaped using backslash.

1 files changed, 12 insertions, 0 deletions

diff --git a/lib/os/exec/exec_test.go b/lib/os/exec/exec_test.go
index 90771dbb..38e089d0 100644
--- a/lib/os/exec/exec_test.go
+++ b/lib/os/exec/exec_test.go
@@ -41,6 +41,18 @@ func TestParseCommandArg(t *testing.T) {
 		in:      "a `b'c`",
 		expCmd:  `a`,
 		expArgs: []string{`b'c`},
+	}, {
+		in: `a\ b c\ d`,
+		expCmd: "a b",
+		expArgs: []string{"c d"},
+	}, {
+		in: `a\\ b c\\ d`,
+		expCmd: `a\`,
+		expArgs: []string{"b", `c\`, "d"},
+	}, {
+		in: `a\\\ b c\\\ d`,
+		expCmd: `a\ b`,
+		expArgs: []string{`c\ d`},
 	}}
 
 	for _, c := range cases {