feat: add prefix support

Signed-off-by: sisungo <[email protected]>

lib/make.py

@@ -72,6 +72,15 @@ def link(src: str, dst: str, default: bool = True):
     ]
 
 
+def get_prefix(pkgname: str) -> str:
+    pkginfo = _pkginfo[pkgname]
+    if pkginfo.get(_key_arch_any):
+        pkgarch = "any"
+    else:
+        pkgarch = arch.get_target()
+    return f"/pkg/{pkgname}={pkginfo[_key_version]}@{pkgarch}"
+
+
 def supported_arch(s: list[str] | typing.Callable[[str], bool]):
     global _supported_arch
     if isinstance(s, list):