CTT-303 Add version to IPF Quick Install

fixes #15
update FAQ

FAQ.md

@@ -26,6 +26,10 @@ Yes!
    * ```bash
      bash ~/ipf/bin/wfm stop
      ```
+1. Make backups of any config files
+   * ```bash
+     bash ~/ipf/bin/save_configs.sh
+     ```
 1. Remove the install directory
    * ```bash
      rm -rf ~/ipf

ipf/bin/prep.sh

@@ -42,6 +42,25 @@ restore_config_links() {
 }
 
 
+set_version() {
+  # Create a setuptools style METADATA file with the current version string
+  [[ $DEBUG -eq $YES ]] && set -x
+  local _version=$( cat "$INSTALL_DIR"/version )
+  local _site_pkgs=$( "$V_PYTHON" -c 'import sysconfig; print(sysconfig.get_paths()["purelib"])' )
+  local _fn_metadata="$_site_pkgs"/ipf-"${_version}".dist-info/METADATA
+  local _dn_metadata=$( dirname "$_fn_metadata" )
+  mkdir -p "$_dn_metadata" || die "Failed to make IPF metadata directory"
+  >"$_fn_metadata" cat <<ENDHERE
+Metadata-Version: 2.1
+Name: ipf
+Version: $_version
+ENDHERE
+  [[ -f "$_fn_metadata" ]] || die "Failed to make IPF metadata file"
+  grep '^Version' "$_fn_metadata" || die "Failed to set version"
+  success "Version set successfully"
+}
+
+
 [[ $DEBUG -eq $YES ]] && set -x
 
 assert_python_minimum_version
@@ -51,3 +70,5 @@ mk_venv
 install_dependencies
 
 restore_config_links
+
+set_version

setup.sh

@@ -3,7 +3,7 @@
 # DO NOT RUN THIS BY HAND
 # This file is for use by https://github.com/andylytical/quickstart
 
-INSTALL_DIR="$(pwd)" #this is the directory the user invoked quickstart
+INSTALL_DIR="$(pwd)" #this is the directory from which the user invoked quickstart
 BASE=$(readlink -e $( dirname $0 ) )
 IPF_SRC="$BASE/ipf"
 TS=$(date +%s)
@@ -64,10 +64,20 @@ install_special() {
     "$INSTALL_DIR"
 }
 
+
+install_version() {
+  [[ $DEBUG -eq $YES ]] && set -x
+  local _version=$( awk -F '"' '/version=/ {print $2; exit;}' "$BASE"/setup.py )
+  log "VERSION = $_version"
+  echo "$_version" > "$INSTALL_DIR"/ipf/version
+}
+
 [[ $DEBUG -eq $YES ]] && set -x
 
 update_files
 
 install_common
 
-install_special
+# install_special
+
+install_version