1 files changed, 135 insertions, 0 deletions
diff --git a/bin/app-conf b/bin/app-conf
new file mode 100755
index 0000000..7193c20
--- /dev/null
+++ b/bin/app-conf
@@ -0,0 +1,135 @@
+#!/bin/bash
+
+# TODO: Add a 'get' command that returns a single value
+# Exit with 0 if found, 1 otherwise.
+
+if [[ $APPSH_HOME == "" ]]
+then
+  APPSH_HOME=`dirname "$0"`
+  APPSH_HOME=`cd "$APPSH_HOME/.." && pwd`
+fi
+
+. $APPSH_HOME/lib/common
+
+PATH=$APPSH_HOME/libexec:$PATH
+
+key_expr="[a-zA-Z][_a-zA-Z0-9]*"
+
+format_conf() {
+  local IFS==
+  while read key value
+  do
+    printf "%-20s %-20s" "$key" "$value"
+    echo
+  done
+}
+
+assert_valid_config_name() {
+  local name=$1
+
+  local x=`echo $name | sed -n "/^$key_expr\\.$key_expr$/p"`
+  if [ -z "$x" ]
+  then
+    echo "Invalid name: $name" >&2
+    exit 1
+  fi
+}
+
+conf_set() {
+  local name=$1; shift
+  local value=$1; shift
+
+  assert_valid_config_name "$name"
+
+  if [ -r $file ]
+  then
+    sed "/^$name[ ]*=.*/d" $file > $file.tmp
+  fi
+
+  echo "$name=$value" >> $file.tmp
+  mv $file.tmp $file
+}
+
+conf_delete() {
+  local name=$1; shift
+
+  assert_valid_config_name "$name"
+
+  sed "/^$name[ ]*=.*/d" $file > $file.tmp
+  mv $file.tmp $file
+}
+
+usage() {
+  if [ -n "$1" ]
+  then
+    echo "Error: $@" >&2
+  fi
+
+  echo "usage: $0 conf <command>" >&2
+  echo ""
+  echo "Available commands:" >&2
+  echo "  list               - list all config values" >&2
+  echo "  set [name] [value] - set a config parameter" >&2
+  echo "  delete [name]      - deletes a config parameter" >&2
+  exit 1
+}
+
+if [ $# -gt 0 ]
+then
+  command=$1
+  shift
+else
+  command=list
+fi
+
+file=".app/config"
+
+assert_is_app -C
+
+case "$command" in
+  get)
+    if [ $# != 1 ]
+    then
+      usage
+      exit 1
+    fi
+
+    app-cat-conf -f "$file" -n "$1" | cut -f 2 -d = | format_conf | sed "s, *$,,"
+    ;;
+  list)
+    if [ $# -gt 0 ]
+    then
+      usage "Extra options."
+      exit 1
+    fi
+
+    app-cat-conf -f "$file" | format_conf
+    ;;
+  set)
+    if [ $# -ne 2 ]
+    then
+      usage
+      exit 1
+    fi
+
+    conf_set "$1" "$2"
+    ;;
+  delete)
+    if [ $# -ne 1 ]
+    then
+      usage "Missing [name] argument."
+      exit 1
+    fi
+
+    conf_delete "$1" "$2"
+    ;;
+  *)
+    if [ -z "$command" ]
+    then
+      usage
+    else
+      usage "Unknown command: $command"
+    fi
+    exit 1
+    ;;
+esac