Manjaro Arm doesn't have an ID_LIKE (#325)

src/steps/os/linux.rs

@@ -60,7 +60,7 @@ impl Distribution {
             Some("fedora") => Distribution::Fedora,
             Some("void") => Distribution::Void,
             Some("debian") => Distribution::Debian,
-            Some("arch") | Some("anarchy") => Distribution::Arch,
+            Some("arch") | Some("anarchy") | Some("manjaro-arm") => Distribution::Arch,
             Some("solus") => Distribution::Solus,
             Some("gentoo") => Distribution::Gentoo,
             Some("exherbo") => Distribution::Exherbo,
@@ -529,6 +529,11 @@ mod tests {
         test_template(&include_str!("os_release/manjaro"), Distribution::Arch);
     }
 
+    #[test]
+    fn test_manjaro_arm() {
+        test_template(&include_str!("os_release/manjaro-arm"), Distribution::Arch);
+    }
+
     #[test]
     fn test_anarchy() {
         test_template(&include_str!("os_release/anarchy"), Distribution::Arch);

src/steps/os/os_release/manjaro-arm

@@ -0,0 +1,7 @@
+NAME="Manjaro-ARM"
+ID=manjaro-arm
+PRETTY_NAME="Manjaro ARM"
+ANSI_COLOR="1;32"
+HOME_URL="https://www.manjaro.org/"
+SUPPORT_URL="https://forum.manjaro.org/c/manjaro-arm/"
+