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.

---
 bin/app-init | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

(limited to 'bin')

diff --git a/bin/app-init b/bin/app-init
index 018b210..ba97ebd 100755
--- a/bin/app-init
+++ b/bin/app-init
@@ -8,14 +8,8 @@ APPSH_HOME=$(cd $(dirname "$0")/.. && pwd)
 . $APPSH_HOME/lib/common
 # HEADER END
 
-usage() {
-  echo "usage: $0 -d dir <resolver> <resolver args>"
-  exit 1
-}
-
-fatal() {
-  echo "$0: $@"
-  exit 1
+usage_inner() {
+  echo "usage: $usage_app -d dir <resolver> <resolver args>"
 }
 
 while getopts "d:" opt
@@ -46,8 +40,6 @@ then
   fatal "Already initialized: $dir" 2>&1
 fi
 
-# TODO: install a trap handler and rm -rf "$dir"
-
 resolver=`grep_path "/app-resolver-$resolver_name$" "$PATH" | head -n 1`
 
 if [ -z "$resolver" ]
@@ -57,6 +49,11 @@ then
 fi
 
 mkdir -p -- "$dir" "$dir/.app"
+
+ok=no
+clean_dir=`cd "$dir">/dev/null; pwd`
+trap '[[ $ok == yes ]] || rm -rf "$clean_dir"' EXIT
+
 cd "$dir"
 
 app-conf set app.resolver "$resolver_name"
@@ -77,3 +74,5 @@ echo "Resolved version to $version"
 "$resolver" download-version -v "$version" -f .app/latest.zip
 
 app-install-file -v "$version" -f .app/latest.zip
+
+ok=yes
-- 
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