From 9b174b6293c48baf76b9d482d38b85471639efe3 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Tue, 22 Mar 2011 12:53:18 -0700
Subject: [PATCH] usage

---
 build_dsc.sh       |  8 ++++++--
 release_tarball.sh | 13 ++++++++++---
 update_pbuilder.sh |  9 +++++++--
 3 files changed, 23 insertions(+), 7 deletions(-)

diff --git a/build_dsc.sh b/build_dsc.sh
index 1ef35edf..d61abb52 100755
--- a/build_dsc.sh
+++ b/build_dsc.sh
@@ -2,6 +2,10 @@
 
 set -e
 
+usage() {
+    echo "usage: $0 releasedir vers [debsubver] [dists...]"
+}
+
 releasedir=$1
 cephver=$2
 debsubver=$3
@@ -10,8 +14,8 @@ shift
 shift
 dists="$*"
 
-[ -z "$releasedir" ] && echo specify releasedir && exit 1
-[ -z "$cephver" ] && echo specify version && exit 1
+[ -z "$releasedir" ] && echo specify releasedir && usage && exit 1
+[ -z "$cephver" ] && echo specify version && usage && exit 1
 [ -z "$debsubver" ] && debsubver=1
 [ -z "$dists" ] && dists="sid squeeze lenny maverick lucid"
 
diff --git a/release_tarball.sh b/release_tarball.sh
index 1ffaa72f..e3e68007 100755
--- a/release_tarball.sh
+++ b/release_tarball.sh
@@ -2,10 +2,14 @@
 
 set -e
 
+usage() {
+    echo "usage: $0 releasedir [versionfile]"
+}
+
 releasedir=$1
 versionfile=$2
 
-[ -z "$releasedir" ] && echo specify releasedir && exit 1
+[ -z "$releasedir" ] && echo specify releasedir && usage && exit 1
 
 if git diff --quiet ; then
     echo repository is clean
@@ -50,6 +54,9 @@ else
     cd $srcdir
 fi
 
-echo $cephver > $versionfile
+if [ -n "$versionfile" ]; then
+    echo $cephver > $versionfile
+    echo "wrote $cephver to $versionfile"
+fi
 
-echo "done. $cephver (written to $versionfile)"
\ No newline at end of file
+echo "done."
\ No newline at end of file
diff --git a/update_pbuilder.sh b/update_pbuilder.sh
index c547fb6f..e40383a3 100755
--- a/update_pbuilder.sh
+++ b/update_pbuilder.sh
@@ -1,9 +1,14 @@
 #!/bin/sh -x
 
+usage() {
+    echo "usage: $0 basedir [dists...]"
+}
+
 basedir=$1
-dists=$2
+shift
+dists=$*
 
-[ ! -d "$basedir" ] && echo specify dir for pbuilder images && exit 1
+[ ! -d "$basedir" ] && echo specify dir for pbuilder images && usage && exit 1
 [ -z "$dists" ] && dists="sid squeeze lenny maverick lucid"
 
 for dist in $dists
-- 
2.39.5