commit 4d86c17

check for fetch.rc when we unpack tarballs and use that instead, if present.

there will be some usecases where users want tarballs extracted in some specific way, that falls outside of the scope of the default behavior. this will work as a fallback in these cases.

 1@@ -86,7 +86,10 @@ fn pkg_build {
 2 		if not {
 3 			chksum_pkg $pkg
 4 			rm -rf src
 5-			unpack_pkg $archive
 6+			if (test -f fetch.rc) {
 7+				./fetch.rc
 8+			}
 9+			if not unpack_pkg $archive
10 		}
11 		cd src
12 		destdir=/tmp/$pid/$pkg