improve parsing of fully-protocoled URLs (fixes hound-search#193)

ui/assets/js/common.js

@@ -9,7 +9,7 @@ export function UrlToRepo(repo, path, line, rev) {
     var url = repo.url.replace(/\.git$/, ''),
         pattern = repo['url-pattern'],
         filename = path.substring(path.lastIndexOf('/') + 1),
-        anchor = line ? ExpandVars(pattern.anchor, { line : line, filename : filename }) : '';
+        anchor = line ? ExpandVars(pattern.anchor, { line : line, filename : filename, repo : repo }) : '';
 
     // Determine if the URL passed is a GitHub wiki
     var wikiUrl = /\.wiki$/.exec(url);
@@ -19,16 +19,18 @@ export function UrlToRepo(repo, path, line, rev) {
         anchor = '' // wikis do not support direct line linking
     }
 
-    // Hacky solution to fix _some more_ of the 404's when using SSH style URLs.
-    // This works for both github style URLs (git@github.com:username/Foo.git) and
-    // bitbucket style URLs (ssh://hg@bitbucket.org/username/Foo).
+    // Check for ssh:// and hg:// protocol URLs
+    // match the protocol, optionally a basic auth indicator, a
+    // hostname, optionally a port, and then a path
+    var ssh_protocol = /^(git|hg|ssh):\/\/([^@\/]+@)?([^:\/]+)(:[0-9]+)?\/(.*)/.exec(url);
 
-    // Regex explained: Match either `git` or `hg` followed by an `@`.
-    // Next, slurp up the hostname by reading until either a `:` or `/` is found.
-    // Finally, grab all remaining characters.
-    var sshParts = /(git|hg)@(.*?)(:|\/)(.*)/.exec(url);
-    if (sshParts) {
-        url = '//' + sshParts[2] + '/' + sshParts[4];
+    // Check for bare git+ssh URIs (e.g., user@hostname:path
+    var bare_ssh = /^([^@]+)@([^:]+):(.*)/.exec(url);
+
+    if (ssh_protocol) {
+        url = '//' + ssh_protocol[3] + '/' + ssh_protocol[5];
+    } else if (bare_ssh) {
+        url = '//' + bare_ssh[2] + '/' + bare_ssh[4];
     }
 
     // I'm sure there is a nicer React/jsx way to do this: