internal/rosa/package: migrate many libraries

This also adds more string helpers.

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

internal/rosa/package/libgd.az

@@ -0,0 +1,25 @@
+package libgd {
+	description = "an open source code library for the dynamic creation of images";
+	website = "https://libgd.github.io";
+	anitya = 880;
+
+	version* = "2.3.3";
+	source = remoteGitHubRelease {
+		suffix = "libgd/libgd";
+		tag = "gd-"+version;
+		name = "libgd-"+version+".tar.gz";
+		checksum = "8T-sh1_FJT9K9aajgxzh8ot6vWIF-xxjcKAHvTak9MgGUcsFfzP8cAvvv44u2r36";
+		compress = gzip;
+	};
+
+	env = [
+		"TMPDIR=/dev/shm/gd",
+	];
+
+	early = "\nmkdir /dev/shm/gd\n";
+
+	exec = make {};
+
+	inputs = [ zlib ];
+	runtime = [ zlib ];
+}