9 files changed, 56 insertions, 14 deletions

diff --git a/.gitmodules b/.gitmodules
index a9df803..cfc92e7 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,9 +4,9 @@
 [submodule "libs/xdg"]
         path = libs/xdg
         url = https://git.sr.ht/~ukko/zig-xdg
-[submodule "libs/curl"]
-        path = libs/curl
-        url = https://git.sr.ht/~ukko/zig-curl
 [submodule "libs/libarchive"]
         path = libs/libarchive
         url = https://git.sr.ht/~ukko/zig-libarchive
+[submodule "libs/zelda"]
+        path = libs/zelda
+        url = https://github.com/haze/zelda.git
diff --git a/README.org b/README.org
index 427631b..f922886 100644
--- a/README.org
+++ b/README.org
@@ -9,7 +9,7 @@
 ** System libraries
 
 - libarchive
-- libcurl
+- libressl
 
 ** Zig version
 
diff --git a/build.zig b/build.zig
index fe092db..c99ce32 100644
--- a/build.zig
+++ b/build.zig
@@ -1,10 +1,11 @@
 const builtin = @import("builtin");
 const std = @import("std");
+const zelda = @import("libs/zelda/build.zig");
 
 const Builder = std.build.Builder;
 const SemanticVersion = std.SemanticVersion;
 
-pub fn build(b: *Builder) void {
+pub fn build(b: *Builder) !void {
     const target = b.standardTargetOptions(.{});
     const mode = b.standardReleaseOptions();
 
@@ -15,14 +16,17 @@ pub fn build(b: *Builder) void {
     exe.setTarget(target);
     exe.setBuildMode(mode);
     exe.addOptions("zup-config", config);
+    // TODO[https://github.com/ziglang/zig/issues/13551]: Remove this
+    exe.linkSystemLibraryPkgConfigOnly("libcrypto");
+    try zelda.link(b, exe, target, mode, true);
     exe.addPackagePath("clap", "libs/clap/clap.zig");
-    exe.addPackagePath("curl", "libs/curl/curl.zig");
     exe.addPackagePath("libarchive", "libs/libarchive/libarchive.zig");
     exe.addPackagePath("xdg", "libs/xdg/xdg.zig");
     exe.addPackagePath("zup", "src/main.zig");
     exe.linkLibC();
-    exe.linkSystemLibrary("libarchive");
-    exe.linkSystemLibrary("libcurl");
+    // TODO[https://github.com/ziglang/zig/issues/13551]:
+    // Replace this with linkSystemLibrary("archive")
+    exe.linkSystemLibraryPkgConfigOnly("libarchive");
     exe.install();
 
     const run_cmd = exe.run();
diff --git a/libs/curl b/libs/curl
deleted file mode 160000
-Subproject 7f920ec5be3e4b336303e93bb164c33f1e44022
diff --git a/libs/zelda b/libs/zelda
new file mode 160000
+Subproject 349513eedb83a69989f5ca0616e69f841cc516a
diff --git a/src/Installation.zig b/src/Installation.zig
index 4f7a48d..3c056b9 100644
--- a/src/Installation.zig
+++ b/src/Installation.zig
@@ -1,6 +1,6 @@
-const curl = @import("curl");
 const std = @import("std");
 const xdg = @import("xdg");
+const zelda = @import("zelda");
 const zup = @import("zup");
 
 const Allocator = std.mem.Allocator;
@@ -135,13 +135,23 @@ pub fn isInstalled(allocator: Allocator, name: []const u8) !bool {
 pub fn getAvailableList(config: Config) !Installations {
     const allocator = config.allocator;
 
-    var json_str = try curl.easyDownload(allocator, "https://ziglang.org/download/index.json");
-    defer allocator.free(json_str);
+    var response = try zelda.get(allocator, "https://ziglang.org/download/index.json");
+    defer response.deinit();
+
+    if (response.status_code.group() != .success) {
+        std.log.err("HTTP Error while getting Zig download index.json: {}", .{response.status_code});
+        return error.HttpError;
+    }
+
+    if (response.body == null) {
+        std.log.err("No body response while getting Zig download index.json", .{});
+        return error.HttpError;
+    }
 
     var parser = std.json.Parser.init(allocator, false);
     defer parser.deinit();
 
-    var vt = try parser.parse(json_str);
+    var vt = try parser.parse(response.body.?);
     defer vt.deinit();
 
     if (vt.root != .Object) {
diff --git a/src/http.zig b/src/http.zig
new file mode 100644
index 0000000..bb3b3ac
--- /dev/null
+++ b/src/http.zig
@@ -0,0 +1,23 @@
+const std = @import("std");
+const zelda = @import("zelda");
+
+const Allocator = std.mem.Allocator;
+const File = std.fs.File;
+
+// TODO: zelda should be able to do this internally so I wouldn't have to allocate memory for the
+// file
+pub fn downloadToFile(allocator: Allocator, file: *File, url: []const u8) !void {
+    var response = try zelda.get(allocator, url);
+    defer response.deinit();
+
+    if (response.status_code.group() != .success) {
+        std.log.err("HTTP Error: {}", .{response.status_code});
+        return error.HttpError;
+    }
+
+    if (response.body) |body| {
+        try file.writer().writeAll(body);
+    } else {
+        std.log.warn("Downloaded nothing from {s}...", .{url});
+    }
+}
diff --git a/src/install.zig b/src/install.zig
index 27db4bb..47b804c 100644
--- a/src/install.zig
+++ b/src/install.zig
@@ -1,7 +1,7 @@
 const libarchive = @import("libarchive");
-const curl = @import("curl");
 const std = @import("std");
 const xdg = @import("xdg");
+const zelda = @import("zelda");
 const zup = @import("zup");
 
 const Allocator = std.mem.Allocator;
@@ -70,7 +70,7 @@ pub fn perform(allocator: Allocator, name: []const u8, force: bool, available: I
     }
 
     std.log.info("Downloading to /tmp/{s}...", .{filename});
-    try curl.easyDownloadToFile(&tmpfile, installation.url.?);
+    try zup.http.downloadToFile(allocator, &tmpfile, installation.url.?);
 
     std.log.info("Extracting...", .{});
     var archive = try ArchiveRead.init();
diff --git a/src/main.zig b/src/main.zig
index 197a224..56b1b77 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -2,6 +2,7 @@ pub const Config = @import("Config.zig");
 pub const Installation = @import("Installation.zig");
 pub const Installations = Installation.Installations;
 pub const SubCommand = @import("subcommand.zig").SubCommand;
+pub const http = @import("http.zig");
 
 pub const help = SubCommand(Help);
 pub const install = SubCommand(@import("install.zig"));
@@ -12,6 +13,7 @@ pub const update = SubCommand(@import("update.zig"));
 pub const version = SubCommand(Version);
 
 const std = @import("std");
+const zelda = @import("zelda");
 const zup_config = @import("zup-config");
 
 const ArgIterator = std.process.ArgIterator;
@@ -24,6 +26,9 @@ pub fn main() !void {
     const allocator = gpa.allocator();
     defer _ = gpa.deinit();
 
+    // TODO: Make an issue in zelda mentioning this
+    defer zelda.client.global_connection_cache.deinit();
+
     var config = try Config.init(allocator);
     defer config.deinit();