Rename git-hub to git-hub-browse

modules/git/functions/git-hub-browse

@@ -0,0 +1,57 @@
+#
+# Opens a GitHub repository in the default browser.
+#
+# Authors:
+#   Sorin Ionescu <sorin.ionescu@gmail.com>
+#
+
+local remotes remote references reference file url
+
+remote="${1:-origin}"
+remotes=($(
+  git config --local --get-regexp 'remote.*.url' \
+    | awk 'BEGIN {FS="."} ; {print $2}'
+))
+
+if (( $remotes[(i)$remote] == $#remotes + 1 )); then
+  print "$0: remote not found: $remote" >&2
+  return 1
+fi
+
+url=$(
+  git config --local --get "remote.${remote}.url" \
+    | sed -En "s/(git|https?)(@|:\/\/)github.com(:|\/)(.+)\/(.+).git/https:\/\/github.com\/\4\/\5/p"
+)
+
+reference="${${2:-$(git-branch-current)}:-HEAD}"
+references=(
+  HEAD
+  ${$(git ls-remote --heads --tags "$remote" | awk '{print $2}')##refs/(heads|tags)/}
+)
+
+if (( $references[(i)$reference] == $#references + 1 )); then
+  print "$0: branch or tag not found: $reference" >&2
+  return 1
+fi
+
+if [[ "$reference" == 'HEAD' ]]; then
+  reference="$(git rev-parse HEAD 2>/dev/null)"
+fi
+
+file="$3"
+
+if [[ -n "$url" ]]; then
+  url="${url}/tree/${reference}/${file}"
+
+  if (( $+commands[$BROWSER] )); then
+    "$BROWSER" "$url"
+    return 0
+  else
+    print "$0: browser not set or set to a non-existent browser" >&2
+    return 1
+  fi
+else
+  print "$0: not a Git repository or remote not set" >&2
+  return 1
+fi
+