From 97036aeae73cc2a63219c7b792ab5f18c7d98cd1 Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@inamo.no>
Date: Fri, 1 Feb 2013 09:28:18 +0100
Subject: libexec/app-resolver-maven: Better argument checking. lib/common:
 Starting a way to have a common usage/help semantics.

---
 libexec/app-resolver-maven | 31 +++++++++++++------------------
 1 file changed, 13 insertions(+), 18 deletions(-)

(limited to 'libexec/app-resolver-maven')

diff --git a/libexec/app-resolver-maven b/libexec/app-resolver-maven
index a3b367c..81e85ab 100755
--- a/libexec/app-resolver-maven
+++ b/libexec/app-resolver-maven
@@ -8,18 +8,10 @@ APPSH_HOME=$(cd $(dirname "$0")/.. && pwd)
 . $APPSH_HOME/lib/common
 # HEADER END
 
-usage() {
-  message=${1-}
-
-  if [ ! -z "$message" ]
-  then
-    echo $message
-  fi
-
-  echo "usage: $subapp init -r <repo> <maven url>"
-  echo "usage: $subapp resolve-version"
-  echo "usage: $subapp download-version -v <version> -f <download target>"
-  exit 1
+usage_inner() {
+  echo "usage: $usage_app init -r <repo> <maven url>"
+  echo "usage: $usage_app resolve-version"
+  echo "usage: $usage_app download-version -v <version> -f <download target>"
 }
 
 slash() {
@@ -201,22 +193,25 @@ init() {
     esac
   done
 
-  x=`echo $1 | tr ":" " "`; set -- $x
-  group_id=$1
-  artifact_id=$2
-  version=$3
+  local coordinates=${1-}
+  x=${coordinates}
+  x=${x//:/ }
+  set -- $x
 
-  if [ -z "$group_id" -o -z "$artifact_id" -o -z "$version" ]
+  if [[ $# != 3 || $1 == "" || $2 == "" || $3 == "" ]]
   then
     usage "Invalid Maven coordinates: $coordinates"
   fi
 
+  group_id=$1
+  artifact_id=$2
+  version=$3
+
   app-conf set maven.group_id "$group_id"
   app-conf set maven.artifact_id "$artifact_id"
   app-conf set maven.version "$version"
 }
 
-subapp="$0";
 command="$1"; shift
 
 case "$command" in
-- 
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