new install

install.sh

@@ -2,56 +2,31 @@
 
 ## CONSTANTS
 
-readonly MAIN_TAR_GZ_URL="https://git.artcode.re/miaou/miaou-bash/archive/main.tar.gz"
 readonly DESTINATION=/opt/miaou-bash
-readonly REQUIRED_PKGS=(file jq)
+readonly MAIN_TAR_GZ_URL="https://git.artcode.re/miaou/miaou-bash/archive/main.tar.gz"
 
 ## FUNCTIONS
 
-function push_directory {
-  pushd "$1" || (echo "unable to push directory <$1>" && exit 1)
-}
+function bootstrap {
+  if [[ ! -d "$DESTINATION" ]]; then
+    local temp_dir
+    temp_dir=$(mktemp -d)
+    pushd "$temp_dir" || return 2
+    curl --no-progress-meter -O $MAIN_TAR_GZ_URL
+    tar -xzf main.tar.gz --directory "$DESTINATION"
+    popd || return 3
+  fi
 
-function pop_directory {
-  popd || (echo "unable to pop from previous directory" && exit 1)
+  local source_bin="$MIAOU_BASH_DIR/bin/miaou-bash"
+  local dest_bin="/usr/bin/miaou-bash"
+  cmp -s "$source_bin" "$dest_bin" || cp -f "$source_bin" "$dest_bin"
+
+  export MIAOU_BASH_DIR="$DESTINATION"
 }
 
 ## MAIN
 
-[[ "$UUID" -ne 0 ]] && echo 'root privilege required' && exit 1
+[[ "$UID" -ne 0 ]] && echo 'root privilege required' && exit 1
 
-if [[ -v MIAOU_BASH_DIR ]]; then
-  miaou-bash "$MIAOU_BASH_DIR/init.sh"
-else
-  MIAOU_BASH_DIR="$DESTINATION"
-  export MIAOU_BASH_DIR
-  cd "$(mktemp -d)"
-  curl --no-progress-meter -O $MAIN_TAR_GZ_URL
-fi
-
-if [[ $PWD != "$DESTINATION" ]]; then
-  # download and fullfill /opt/miaou-bash, then run it from folder
-
-  if [[ -L /opt/miaou-bash ]]; then
-    /opt/miaou-bash/install.sh
-  else
-    rm -rf "$DESTINATION"
-
-    pushd "$(mktemp -d)"
-    curl --no-progress-meter -O $MAIN_TAR_GZ_URL
-    tar -xzf main.tar.gz
-    mv miaou-bash /opt/
-    pop_directory
-    rm -rf "$TEMP"
-
-    push_directory /opt/miaou-bash && ./install.sh
-
-  fi
-
-else
-  MIAOU_BASH_DIR=$CURDIR
-  export MIAOU_BASH_DIR
-  source "$MIAOU_BASH_DIR/lib/functions.bash"
-  "$MIAOU_BASH_DIR/tools/idem_apt_install" "${REQUIRED_PKGS[@]}"
-  ./init.sh
-fi
+[[ -v MIAOU_BASH_DIR ]] || bootstrap
+miaou-bash "$MIAOU_BASH_DIR/lib/init.bash"