From 0d61e05e98f6f020722ee4d43f024c1da348d2a9 Mon Sep 17 00:00:00 2001
From: Christian Cleberg <hello@cleberg.net>
Date: Thu, 14 May 2026 12:41:55 -0500
Subject: feat: add Safari extension for sourcehut deep links

---
 Shared/HutchDeepLinkURLs.swift          |  5 +++
 Shared/SourceHutWebDeepLinkMapper.swift | 80 +++++++++++++++++++++++++++++++++
 2 files changed, 85 insertions(+)
 create mode 100644 Shared/SourceHutWebDeepLinkMapper.swift

(limited to 'Shared')

diff --git a/Shared/HutchDeepLinkURLs.swift b/Shared/HutchDeepLinkURLs.swift
index 9b60086..eed678c 100644
--- a/Shared/HutchDeepLinkURLs.swift
+++ b/Shared/HutchDeepLinkURLs.swift
@@ -5,13 +5,18 @@ enum HutchDeepLinkURL {
     static let home = URL(string: "hutch://home")!
     static let emptyHost = URL(string: "hutch://")!
     static let repositoryGit = URL(string: "hutch://git/~user/repo")!
+    static let repositoryHg = URL(string: "hutch://hg/~user/repo")!
+    static let gitOwnerRoot = URL(string: "hutch://git/~owner/")!
     static let ticket = URL(string: "hutch://todo/~owner/tracker/42")!
     static let buildJob = URL(string: "hutch://builds/12345")!
+    static let buildJobWithOwner = URL(string: "hutch://builds/~owner/job/12345")!
+    static let mailingList = URL(string: "hutch://lists/~owner/list")!
     static let trackers = URL(string: "hutch://trackers")!
     static let builds = URL(string: "hutch://builds")!
     static let repositories = URL(string: "hutch://repositories")!
     static let status = URL(string: "hutch://status")!
     static let lookup = URL(string: "hutch://lookup")!
+    static let userProfile = URL(string: "hutch://lookup/~owner")!
     static let unknown = URL(string: "hutch://unknown")!
     static let invalidTicketId = URL(string: "hutch://todo/~owner/tracker/abc")!
     static let invalidBuildId = URL(string: "hutch://builds/abc")!
diff --git a/Shared/SourceHutWebDeepLinkMapper.swift b/Shared/SourceHutWebDeepLinkMapper.swift
new file mode 100644
index 0000000..236e32e
--- /dev/null
+++ b/Shared/SourceHutWebDeepLinkMapper.swift
@@ -0,0 +1,80 @@
+import Foundation
+
+enum SourceHutWebDeepLinkMapper {
+    static let supportedHosts: Set<String> = [
+        "git.sr.ht",
+        "hg.sr.ht",
+        "todo.sr.ht",
+        "builds.sr.ht",
+        "lists.sr.ht",
+        "meta.sr.ht",
+        "sr.ht",
+    ]
+
+    static func deepLink(for webURL: URL) -> URL? {
+        guard let components = URLComponents(url: webURL, resolvingAgainstBaseURL: false),
+              components.scheme == "https",
+              let host = components.host?.lowercased(),
+              supportedHosts.contains(host)
+        else {
+            return nil
+        }
+
+        let path = normalizedPercentEncodedPath(from: components.percentEncodedPath)
+        let deepLinkPath = normalizedDeepLinkPath(for: host, path: path)
+        let service = deepLinkService(for: host, path: deepLinkPath)
+        var deepLinkComponents = URLComponents()
+        deepLinkComponents.scheme = "hutch"
+        deepLinkComponents.host = service
+
+        if !deepLinkPath.isEmpty {
+            deepLinkComponents.percentEncodedPath = "/" + deepLinkPath
+        }
+        deepLinkComponents.percentEncodedQuery = components.percentEncodedQuery
+        deepLinkComponents.percentEncodedFragment = components.percentEncodedFragment
+        return deepLinkComponents.url
+    }
+
+    private static func deepLinkService(for host: String, path: String) -> String {
+        if isOwnerRootPath(path) {
+            return "lookup"
+        }
+
+        switch host {
+        case "git.sr.ht":
+            return "git"
+        case "hg.sr.ht":
+            return "hg"
+        case "todo.sr.ht":
+            return "todo"
+        case "builds.sr.ht":
+            return "builds"
+        case "lists.sr.ht":
+            return "lists"
+        default:
+            return "lookup"
+        }
+    }
+
+    private static func isOwnerRootPath(_ path: String) -> Bool {
+        let components = path.split(separator: "/", omittingEmptySubsequences: true)
+        return components.count == 1 && components[0].hasPrefix("~")
+    }
+
+    private static func normalizedDeepLinkPath(for host: String, path: String) -> String {
+        let components = path.split(separator: "/", omittingEmptySubsequences: true)
+        if host == "sr.ht",
+           components.count == 2,
+           components[0] == "projects",
+           components[1].hasPrefix("~") {
+            return String(components[1])
+        }
+        return path
+    }
+
+    private static func normalizedPercentEncodedPath(from path: String) -> String {
+        path
+            .split(separator: "/", omittingEmptySubsequences: true)
+            .joined(separator: "/")
+    }
+}
-- 
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