1 files changed, 30 insertions, 0 deletions
diff --git a/misc/rb_optparse.zsh b/misc/rb_optparse.zsh
new file mode 100644
index 0000000000..2aff063744
--- /dev/null
+++ b/misc/rb_optparse.zsh
@@ -0,0 +1,30 @@
+#!/bin/zsh
+# Completion for zsh:
+# (based on <http://d.hatena.ne.jp/rubikitch/20071002/zshcomplete>)
+#
+# (1) install this file,
+#
+# (2) load the script, and
+#      . ~/.zsh.d/rb_optparse.zsh
+#
+# (3) geneate completion files once.
+#      generate-complete-function/ruby/optparse COMMAND1
+#      generate-complete-function/ruby/optparse COMMAND2
+#
+
+generate-complete-function/ruby/optparse ()
+{
+    local cmpl="_${1:t}"
+    mkdir -p "${ZSH_COMPLETION_DIR-$HOME/.zsh.d/Completion}"
+    $1 --help=zshcomplete="${1:t}" > "${ZSH_COMPLETION_DIR-$HOME/.zsh.d/Completion}/$comp"
+    if [[ $(type -w "$cmpl") == "${cmpl}: function" ]]; then
+	unfunction "$cmpl"
+	autoload -U "$cmpl}"
+    else
+        compinit "$cmpl"
+    fi
+}
+
+for cmd in "$@"; do
+    generate-complete-function/ruby/optparse "$cmd"
+done