Add PackageManager trait

src/main.rs

@@ -5,6 +5,112 @@ use std::process::Command;
 use fancy_regex::Regex;
 use std::env;
 
+trait PackageManager {
+    fn provides(file: String) -> Vec<String>;
+    fn transform_cmake(cmake_package: String) -> String;
+    fn transform_pkgconfig(cmake_package: String) -> String;
+}
+
+struct ArchLinux {}
+
+impl PackageManager for ArchLinux {
+    fn provides(file: String) -> Vec<String> {
+        vec![
+            "pacman".to_string(),
+            "-F".to_string(),
+            file
+        ]
+    }
+
+    fn transform_cmake(cmake_package: String) -> String {
+        format!("*/{}.cmake", cmake_package)
+    }
+
+    fn transform_pkgconfig(cmake_package: String) -> String {
+        format!("*/{}.pc", cmake_package)
+    }
+}
+
+struct Fedora {}
+
+impl PackageManager for Fedora {
+    fn provides(file: String) -> Vec<String> {
+        vec![
+            "dnf".to_string(),
+            "provides".to_string(),
+            file
+        ]
+    }
+
+    fn transform_cmake(cmake_package: String) -> String {
+        format!("cmake({})", cmake_package)
+    }
+
+    fn transform_pkgconfig(cmake_package: String) -> String {
+        format!("pkgconfig({})", cmake_package)
+    }
+}
+
+struct Debian {}
+
+impl PackageManager for Debian {
+    fn provides(file: String) -> Vec<String> {
+        vec![
+            "dpkg".to_string(),
+            "-S".to_string(),
+            file
+        ]
+    }
+    fn transform_cmake(cmake_package: String) -> String {
+        format!("*/{}.cmake", cmake_package)
+    }
+
+    fn transform_pkgconfig(cmake_package: String) -> String {
+        format!("*/{}.pc", cmake_package)
+    }
+}
+
+struct OpenSUSE {}
+
+impl PackageManager for OpenSUSE {
+    fn provides(file: String) -> Vec<String> {
+        vec![
+            "zypper".to_string(),
+            "se".to_string(),
+            "--provides".to_string(),
+            "--match-exact".to_string(),
+            file
+        ]
+    }
+
+    fn transform_cmake(cmake_package: String) -> String {
+        format!("cmake({})", cmake_package)
+    }
+
+    fn transform_pkgconfig(cmake_package: String) -> String {
+        format!("pkgconfig({})", cmake_package)
+    }
+}
+
+struct Gentoo {}
+
+impl PackageManager for Gentoo {
+    fn provides(file: String) -> Vec<String> {
+        vec![
+            "e-file".to_string(),
+            file
+        ]
+    }
+
+    fn transform_cmake(cmake_package: String) -> String {
+        format!("{}.cmake", cmake_package)
+    }
+
+    fn transform_pkgconfig(cmake_package: String) -> String {
+        format!("{}.pc", cmake_package)
+    }
+}
+
 #[derive(Debug)]
 enum PackageType {
     CMakeModule,