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PATCH: _cabal (cabal-install)

X-seq: zsh-workers 34874
From: Clint Adams <clint@xxxxxxx>
To: zsh-workers@xxxxxxx
Subject: PATCH: _cabal (cabal-install)
Date: Fri, 10 Apr 2015 23:25:05 +0000
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This is lousy and apparently I don't remember how to do things reasonably.

diff --git a/Completion/Unix/Command/_cabal b/Completion/Unix/Command/_cabal
new file mode 100644
index 0000000..bd81cf2
--- /dev/null
+++ b/Completion/Unix/Command/_cabal
@@ -0,0 +1,9 @@
+#compdef cabal
+
+local -a subcmds
+
+subcmds=(${${${${${(f)"$(cabal --help)"}[(r)Commands:*,(r)For more information*]}[2,-2]}#  }%% *})
+
+_arguments \
+    '1:subcmd:compadd -a subcmds' \
+    ':other: _alternative "options:option:compadd -- $(cabal $words[2] --list-options)" "files:file:_files"'

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