show info if there is no database container; speedup replacements

docker/init.sh

@@ -17,6 +17,7 @@
 # 2023-12-07  v1.10 <www.axel-hahn.de>        simplyfy console command; add php linter
 # 2024-07-01  v1.11 <www.axel-hahn.de>        diff with colored output; suppress errors on port check
 # 2024-07-19  v1.12 <axel.hahn@unibe.ch>      apply shell fixes
+# 2024-07-22  v1.13 <axel.hahn@unibe.ch>      show info if there is no database container; speedup replacements
 # ======================================================================
 
 cd "$( dirname "$0" )" || exit 1
@@ -33,7 +34,7 @@ _self=$( basename "$0" )
 # git@git-repo.iml.unibe.ch:iml-open-source/docker-php-starterkit.git
 selfgitrepo="docker-php-starterkit.git"
 
-_version="1.12"
+_version="1.13"
 
 # ----------------------------------------------------------------------
 # FUNCTIONS
@@ -169,6 +170,23 @@ function _fix_no-db(){
     fi
 }
 
+# helper functiion to generate replacements using sed
+# it loops over all vars in the config file
+# used in _generateFiles
+function _getreplaces(){
+    # loop over vars to make the replacement
+    grep "^[a-zA-Z]" "$_self.cfg" | while read -r line
+    do
+        # echo replacement: $line
+        mykey=$( echo "$line" | cut -f 1 -d '=' )
+        myvalue="$( eval echo \"\$"$mykey"\" )"
+
+        # TODO: multiline values fail here in replacement with sed 
+        echo -e "s#{{$mykey}}#${myvalue}#g"
+
+    done
+}
+
 # loop over all files in templates subdir make replacements and generate
 # a target file.
 # It skips if 
@@ -176,14 +194,14 @@ function _fix_no-db(){
 #   - target file has no updated lines
 function _generateFiles(){
 
-    # re-read config vars
-
     # shellcheck source=/dev/null
     . "${_self}.cfg" || exit 1    
 
+    params=$( _getreplaces | while read -r line; do echo -n "-e '$line' ";  done )
+
     local _tmpfile=/tmp/newfilecontent$$.tmp
     h2 "generate files from templates..."
-    for mytpl in templates/*
+    time for mytpl in templates/*
     do
         # h3 $mytpl
         local _doReplace=1
@@ -207,19 +225,7 @@ function _generateFiles(){
             local _md5; _md5=$( md5sum $_tmpfile | awk '{ print $1 }' )
             sed -i "s#{{generator}}#GENERATED BY $_self - template: $mytpl - $_md5#g" $_tmpfile
 
-            # loop over vars to make the replacement
-            grep "^[a-zA-Z]" "$_self.cfg" | while read -r line
-            do
-                # echo replacement: $line
-                mykey=$( echo "$line" | cut -f 1 -d '=' )
-                myvalue="$( eval echo \"\$"$mykey"\" )"
-
-                if grep "{{$mykey}}" $_tmpfile >/dev/null; then
-
-                    # TODO: multiline values fail here in replacement with sed 
-                    sed -i -e "s#{{$mykey}}#${myvalue}#g" $_tmpfile
-                fi
-            done
+            eval sed -i "$params" "$_tmpfile" || exit
 
             _fix_no-db $_tmpfile
 
@@ -229,12 +235,12 @@ function _generateFiles(){
                 mkdir -p "$( dirname  ../"$target" )" || exit 2
                 mv "$_tmpfile" "../$target" || exit 2
                 echo OK
+                echo
             else
                 rm -f $_tmpfile
                 echo "SKIP: $mytpl - Nothing to do."
             fi
         fi
-        echo
     done
 
 }
@@ -265,12 +271,26 @@ function _removeGeneratedFiles(){
 # show running containers
 function _showContainers(){
     local bLong=$1
+    local _out
     h2 CONTAINERS
-    if [ -z "$bLong" ]; then
+    _out=$( if [ -z "$bLong" ]; then
         docker-compose -p "$APP_NAME" ps
     else
         docker ps | grep "$APP_NAME"
+    fi)
+    if [ "$( wc -l <<< "$_out" )"  -eq 1 ]; then
+        if [ "$DB_ADD" = "false" ]; then
+            echo "The web container is <$APP_NAME> is not running. This app has no database container."
+        else
+            echo "No container is running for <$APP_NAME>."
+        fi
+    else
+        echo "$_out"
+        if [ "$DB_ADD" = "false" ]; then
+            echo "INFO: This app has no database container."
+        fi
     fi
+
 }
 
 
@@ -340,7 +360,7 @@ while true; do
     if [ -z "$action" ]; then
 
         echo
-        echo -e "\e[32m===== INITIALIZER FOR DOCKER APP [$APP_NAME] v$_version ===== \e[0m\n\r"
+        echo -e "\e[32m----===###| INITIALIZER FOR DOCKER v$_version | $APP_NAME |###===---\e[0m"
 
         _showContainers