5 files changed, 78 insertions, 28 deletions
diff --git a/libexec/app-cat-conf b/libexec/app-cat-conf
index 78d3c36..5da435e 100755
--- a/libexec/app-cat-conf
+++ b/libexec/app-cat-conf
@@ -1,16 +1,17 @@
 #!/bin/bash
 
-if [[ $APPSH_HOME == "" ]]
-then
-  APPSH_HOME=`dirname "$0"`
-  APPSH_HOME=`cd "$APPSH_HOME/.." && pwd`
-fi
-
 set -e
+set -u
+
+APPSH_HOME=$(cd $(dirname "$0")/.. && pwd)
+
+. $APPSH_HOME/lib/common
+# HEADER END
 
 key_expr="[a-zA-Z][_a-zA-Z0-9]*"
 
 file=.app/config
+name=""
 
 while getopts "f:n:" opt
 do
@@ -35,13 +36,10 @@ else
   filter="s,^\($name\)=\(.*\),\1=\2,p"
 fi
 
-if [[ $APPSH_DEFAULT_CONFIG == "" ]]
-then
-  APPSH_DEFAULT_CONFIG=$APPSH_HOME/lib/default-config
-fi
+APPSH_DEFAULT_CONFIG=${APPSH_DEFAULT_CONFIG-$APPSH_HOME/lib/default-config}
 
 # The awk script makes sure each key only appears once
 cat "$file" "$APPSH_DEFAULT_CONFIG" | \
-  sed -n -e "$filter" $extra | \
+  sed -n -e "$filter" | \
   awk -F = ' (!($1 in a)){a[$1]; print }' | \
   sort
diff --git a/libexec/app-grep-path b/libexec/app-grep-path
index f5e8287..fa6e5e5 100755
--- a/libexec/app-grep-path
+++ b/libexec/app-grep-path
@@ -1,13 +1,13 @@
 #!/bin/bash
 
-# A command line wrapper around get grep_path function
+set -e
+set -u
 
-if [[ $APPSH_HOME == "" ]]
-then
-  APPSH_HOME=`dirname "$0"`
-  APPSH_HOME=`cd "$APPSH_HOME/.." && pwd`
-fi
+APPSH_HOME=$(cd $(dirname "$0")/.. && pwd)
 
 . $APPSH_HOME/lib/common
+# HEADER END
+
+# A command line wrapper around get grep_path function
 
 grep_path "$1" "$2"
diff --git a/libexec/app-install-file b/libexec/app-install-file
index 6c06aa7..a0d929a 100755
--- a/libexec/app-install-file
+++ b/libexec/app-install-file
@@ -1,10 +1,12 @@
 #!/bin/bash
 
-if [[ $APPSH_HOME == "" ]]
-then
-  APPSH_HOME=`dirname "$0"`
-  APPSH_HOME=`cd "$APPSH_HOME/.." && pwd`
-fi
+set -e
+set -u
+
+APPSH_HOME=$(cd $(dirname "$0")/.. && pwd)
+
+. $APPSH_HOME/lib/common
+# HEADER END
 
 calculate_md5() {
   local file="$1"; shift
diff --git a/libexec/app-operate b/libexec/app-operate
new file mode 100755
index 0000000..8e4ecac
--- /dev/null
+++ b/libexec/app-operate
@@ -0,0 +1,50 @@
+#!/bin/bash
+
+set -e
+set -u
+
+APPSH_HOME=$(cd $(dirname "$0")/.. && pwd)
+
+. $APPSH_HOME/lib/common
+# HEADER END
+
+method_operate() {
+  local name="$1"; shift
+  local instance="$1"; shift
+  local method="$1"
+
+  if [ $# -gt 0 ]
+  then
+    shift
+  fi
+
+  bin=`$APPSH_HOME/bin/app-cat-conf -f $apps/$name/$instance/current/etc/app.conf -g app -k method | cut -f 2 -d =`
+
+  if [ -z "$bin" ]
+  then
+    bin=$APPSH_HOME/.app/lib/pid-method
+  fi
+
+  if [ ! -x "$name/$instance/current/$bin" ]
+  then
+    echo "Invalid executable: $bin" >&2
+    exit 1
+  fi
+
+  case "$method" in
+    start)   run_app "$name" "$instance" "$bin" "start" "$@" ;;
+    stop)    run_app "$name" "$instance" "$bin" "stop" "$@" ;;
+    status)  run_app "$name" "$instance" "$bin" "status" "$@" ;;
+    restart) run_app "$name" "$instance" "$bin" "restart" "$@" ;;
+    run)     run_app "$name" "$instance" "$bin" "run" "$@" ;;
+    *)
+      if [ -z "$method" ]
+      then
+        method_operate_usage
+      else
+        method_operate_usage "Unknown method $method"
+      fi
+      ;;
+  esac
+  exit $?
+}
diff --git a/libexec/app-resolver-maven b/libexec/app-resolver-maven
index cb137fa..a347abb 100755
--- a/libexec/app-resolver-maven
+++ b/libexec/app-resolver-maven
@@ -1,12 +1,12 @@
-#!/bin/bash -e
+#!/bin/bash
 
+set -e
 set -u
 
-if [[ $APPSH_HOME == "" ]]
-then
-  APPSH_HOME=`dirname "$0"`
-  APPSH_HOME=`cd "$APPSH_HOME/.." && pwd`
-fi
+APPSH_HOME=$(cd $(dirname "$0")/.. && pwd)
+
+. $APPSH_HOME/lib/common
+# HEADER END
 
 usage() {
   message=${1-}