diff --git a/.gitm.toml b/.gitm.toml
new file mode 100644
index 0000000..7b781b7
--- /dev/null
+++ b/.gitm.toml
@@ -0,0 +1,4 @@
+[repos]
+origin = "ssh://git@192.168.100.62:2222/Arsen6331/pak.git"
+gitlab = "git@gitlab.com:moussaelianarsen/pak.git"
+github = "git@github.com:Arsen6331/pak.git"
diff --git a/AdvMakefile b/AdvMakefile
new file mode 100644
index 0000000..f12a86a
--- /dev/null
+++ b/AdvMakefile
@@ -0,0 +1,39 @@
+defaultName = "pak"
+defaultTarget = "build"
+availableManagers = [
+    "apk",
+    "apt",
+    "aptitude",
+    "brew",
+    "dnf",
+    "yum",
+    "npm",
+    "pacman",
+    "yay",
+    "pip",
+    "snap",
+    "zypper"
+    ]
+
+
+def pak_build():
+    if lookPath("go") == -1:
+        log("Go must be installed to compile pak", level="fatal")
+    execute("go build")
+
+
+def pak_install():
+    mappings = {"PKGMANAGER": userChoice("Choose package manager", availableManagers)}
+    expandFile("pak.toml", mappings)
+    execute("""
+    install -Dm755 pak $DESTDIR/usr/bin/pak
+    install -Dm644 pak.toml $DESTDIR/etc/pak.toml
+    """)
+
+
+def pak_install_noninteractive():
+    expandFile("pak.toml", {"PKGMANAGER": getEnv("PAK_CFG_MGR")})
+    execute("""
+    install -Dm755 pak $DESTDIR/usr/bin/pak
+    install -Dm644 pak.toml $DESTDIR/etc/pak.toml
+    """)
diff --git a/Makefile b/Makefile
index 6db8ba3..9666fb0 100644
--- a/Makefile
+++ b/Makefile
@@ -6,8 +6,8 @@ all: main.go
 install: PAK_CFG_MGR ?= apt
 install: pak.toml pak
 	install -Dm755 pak $(DESTDIR)/usr/bin/pak
-	sed 's/activeManager = ""/activeManager = "$(PAK_CFG_MGR)"/' pak.toml > pak-new.toml
-	install -Dm644 pak-new.toml $(DESTDIR)/etc/pak.toml
+	sed -i 's/activeManager = "\$PKGMANAGER"/activeManager = "$(PAK_CFG_MGR)"/' pak.toml
+	install -Dm644 pak.toml $(DESTDIR)/etc/pak.toml
 
 installbinonly: pak
 	install -Dm755 pak $(DESTDIR)/usr/bin/pak
diff --git a/go.sum b/go.sum
index 28dd079..d9569ed 100644
--- a/go.sum
+++ b/go.sum
@@ -1,3 +1,5 @@
+gitea.arsenm.dev/Arsen6331/go-tuntox v0.0.0-20210122202525-119d5f454187 h1:5zN850TL+/3lHdUEGbQ29C4KPFwDLodWSaKjLFiWeJk=
+gitea.arsenm.dev/Arsen6331/go-tuntox v0.0.0-20210122202525-119d5f454187/go.mod h1:88Isb/DdiGw2c82x+cjOOmqyka6Om0DbMRlshjEBG1s=
 github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -12,6 +14,8 @@ github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20201207232520-09787c993a3a h1:DcqTD9SDLc+1P/r1EmRBwnVsrOwW+kk2vWf9n+1sGhs=
+golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/tools v0.0.0-20190828213141-aed303cbaa74/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
diff --git a/pak.toml b/pak.toml
index b9d3688..06d9632 100644
--- a/pak.toml
+++ b/pak.toml
@@ -1,4 +1,4 @@
-activeManager = ""
+activeManager = "$PKGMANAGER"
 rootCommand = "sudo"
 
 [managers]