internal/rosa/package: migrate many libraries

This also adds more string helpers.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/rosa/package/libpsl.az

@@ -0,0 +1,25 @@
+package libpsl {
+	description = "provides functions to work with the Mozilla Public Suffix List";
+	website = "https://rockdaboot.github.io/libpsl";
+	anitya = 7305;
+
+	version* = "0.21.5";
+	source = remoteGitHubRelease {
+		suffix = "rockdaboot/libpsl";
+		tag = version;
+		name = "libpsl-"+version+".tar.gz";
+		checksum = "XjfxSzh7peG2Vg4vJlL8z4JZJLcXqbuP6pLWkrGCmRxlnYUFTKNBqWGHCxEOlCad";
+		compress = gzip;
+	};
+
+	writable = true;
+	early = `
+test_disable() { chmod +w "$2" && echo "$1" > "$2"; }
+
+test_disable 'int main(){return 0;}' tests/test-is-public-builtin.c
+`;
+
+	exec = make {};
+
+	inputs = [ python ];
+}