submit-patches.zsh: Greatly improve the script

Take a command line option for who to send to, rather than relying on
having the proper variable set or commented out. Also, add some tab
completion.

Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

completions/_submit-patches.zsh

@@ -0,0 +1,9 @@
+#compdef submit-patches.zsh
+
+function _submit-patches.zsh() {
+	_arguments \
+		--nfs'[submit to nfs maintainers]' \
+		--nfsd'[submit to nfsd maintainers]' \
+		--nfsutils'[submit to nfs-utils maintainers]' \
+		{--xfstests,--fstests}'[submit to xfstests maintainers]'
+}

submit-patches.sh

@@ -1,13 +0,0 @@
-#!/bin/bash
-
-FROM="--from=Anna.Schumaker@Netapp.com"
-TO="--to=Trond.Myklebust@hammerspace.com"
-#TO="--to=bfields@redhat.com --to=chuck.lever@oracle.com"
-#TO="--to=fstests@vger.kernel.org"
-#TO="--to=steved@redhat.com"
-
-TO="$TO --to=linux-nfs@vger.kernel.org"
-
-CC="--cc=Anna.Schumaker@Netapp.com"
-
-git send-email $FROM $TO $CC $*

submit-patches.zsh

@@ -0,0 +1,25 @@
+#!/bin/zsh
+
+zparseopts -D -K \
+	-nfs+=WHO -nfsd+=WHO -nfsutils+=WHO -xfstests+=WHO -fstests+=WHO
+
+if [[ ${#WHO} -eq 0 ]]; then
+	echo "Who to submit to?"
+	exit 1
+fi
+
+TO=(--to=linux-nfs@vger.kernel.org)
+for who in $WHO; do
+	case $who in
+	--nfs) TO+=(--to=trond.myklebust@hammerspace.com) ;;
+	--nfsd) TO+=(--to=chuck.lever@oracle.com) ;;
+	--nfsutils) TO+=(--to=steved@redhat.com) ;;
+	--xfstests | --fstests) TO+=(--to=fstests@vger.kernel.org) ;;
+	esac
+done
+
+TO+=(--cc=anna@kernel.org)
+TO+=(--from=Anna.Schumaker@Netapp.com)
+TO=$(echo ${(u)TO})
+
+git send-email $TO $*