Add glob parsing for --env flag

Sometimes you want to add a few environmen variables based on the last field being a "*".

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

1 files changed, 16 insertions, 3 deletions

diff --git a/cmd/podman/shared/parse/parse.go b/cmd/podman/shared/parse/parse.go
index 7bc2652cb..a77002235 100644
--- a/cmd/podman/shared/parse/parse.go
+++ b/cmd/podman/shared/parse/parse.go
@@ -112,9 +112,22 @@ func parseEnv(env map[string]string, line string) error {
 	if len(data) > 1 {
 		env[name] = data[1]
 	} else {
-		// if only a pass-through variable is given, clean it up.
-		val, _ := os.LookupEnv(name)
-		env[name] = val
+		if strings.HasSuffix(name, "*") {
+			name = strings.TrimSuffix(name, "*")
+			for _, e := range os.Environ() {
+				part := strings.SplitN(e, "=", 2)
+				if len(part) < 2 {
+					continue
+				}
+				if strings.HasPrefix(part[0], name) {
+					env[part[0]] = part[1]
+				}
+			}
+		} else {
+			// if only a pass-through variable is given, clean it up.
+			val, _ := os.LookupEnv(name)
+			env[name] = val
+		}
 	}
 	return nil
 }