sequencer - possiblity to skip seq_config for a single step (step_xx_noconf=)

sequencer.sh

@@ -41,6 +41,7 @@ set -o pipefail
   readonly seq_template="seqTemplate.sh"
 
   readonly _seq_configDirName=".seqs"
+  _seq_configured=0
   _seq_configEdit=0
   _seq_profileList=
   _seq_stepReturn=255
@@ -154,6 +155,8 @@ The sequencer.sh build-in functions are available in all sequence functions:
   If optional seq_config is defined in the sequence, it will be called once before execution of steps.
 - step_[1-${_sqr_stepMax}]_info
 - step_[1-${_sqr_stepMax}]_alias
+- step_[1-${_sqr_stepMax}]_noconf=
+  No need to call seq_config for this step.
 - step_[1-${_sqr_stepMax}]
 
 sequencer.sh global variables:
@@ -960,7 +963,8 @@ sqr::createTemplate() {
 
 # sqr::stepOptions <STEP NUMBER> [PREFIX]
 sqr::stepOptions() {
-  exists -f "step_${1:?}_options" && echo -n "${2:-}$(step_${1:?}_options)"
+  exists -f "step_${1:?}_options" && echo -n "${2:-}$(step_"${1:?}"_options)"
+  true
 }
 
 # displayHelp [OPTIONS] [STEP NUMBER OR ALIAS]
@@ -1188,8 +1192,8 @@ initSeqConfig() {
 
   # Ask for config creation if not existent
   if ! quiet && ! dry ; then
-    sqr::echo " [i] Configuration $configLoc missing"
-    confirm "Create it now?" || return 3
+    sqr::echo " [i] Configuration missing"
+    confirm "Create ${configLoc} now?" || return 3
   fi
 
   # Create config subdir in users home
@@ -1276,16 +1280,16 @@ execute() {
 
   # check if step function exists
   exists -f "step_${1:?}" || notFound=1
-  if [ ${notFound} -eq 1 ] && [ ${noReport} -ne 1 ] ; then
+  if (( notFound )) && (( ! noReport )) ; then
     error "Step ${1:-"-"} not found"
     exit 1
   fi
 
-
   # don't execute step functions which are not available
-  if (( notFound )) ; then
-    return 1
-  fi
+  (( notFound )) && return 1
+
+  # stop if seq_config fails
+  sqr::seqConfig "${1}" || return $?
 
   if ! quiet ; then
     exists -f "step_${1}_alias" && stepAlias=$("step_${1}_alias")
@@ -1379,6 +1383,55 @@ selection() {
   return ${_seq_stepReturn}
 }
 
+# sqr::seqConfigEdit
+sqr::seqConfigEdit() {
+  # Suppress seq_config output for editing and allow it to fail
+  local quietSave=${LOG_LEVEL}
+  
+  exists -f seq_config || return 0
+
+  LOG_LEVEL=0
+  seq_config "${seq_args[@]}" || true
+  LOG_LEVEL=${quietSave}
+  if [ -w "$seq_configFile" ]; then
+    editor "$seq_configFile" || true
+  else
+    error "No configuration file available"
+  fi
+}
+
+# sqr::seqConfig [STEP NUMBER]
+# Handle calling of the seq_config() function
+sqr::seqConfig() {
+  # Check existens 
+  if ! exists -f seq_config ; then
+    if (( _seq_configEdit )) ; then
+      error "Sequence does not have a configuration file"
+      return 1
+    fi
+    return 0
+  fi
+
+  # Create/edit configuration file
+  (( _seq_configEdit )) && sqr::seqConfigEdit
+
+  # Stop here without step number
+  [ -z "${1:-}" ] && return 1
+  
+  # Only call once
+  (( _seq_configured )) && return 0
+
+  local -n noconf="step_${1}_noconf"
+  if checkStep "${1:-}" >/dev/null 2>&1 && [ -z "${noconf+x}" ] ; then
+    _seq_configured=1
+    if ! seq_config "${seq_args[@]}" ; then
+      error "Configuring sequence failed"
+      exit 1
+    fi
+  fi
+  return 0
+}
+
 # exe <COMMAND>
 # Handle dry run and verbose output for commands without pipe and/or redirects
 exe() {
@@ -1585,33 +1638,10 @@ sqr::main() {
 
   sqr::parseAlias
 
-  # run configuration for sequence only if available and if first step is valid
-  if exists -f seq_config ; then
-
-    # Create/edit configuration file
-    if (( _seq_configEdit )) ; then
-      # Suppress seq_config output for editing and allow it to fail
-      quietSave=${LOG_LEVEL}
-      LOG_LEVEL=0
-      seq_config "${seq_args[@]}" || true
-      LOG_LEVEL=${quietSave}
-      if [ -w "$seq_configFile" ]; then
-        exe editor "$seq_configFile"
-      else
-        error "No configuration file available"
-      fi
-      (( emptyCall )) && exit 0
-    fi
-
-    if checkStep "${toStart[0]}" >/dev/null 2>&1 ; then
-      if ! seq_config "${seq_args[@]}" ; then
-        error "Configuring sequence failed"
-        exit 1
-      fi
-    fi
-  elif (( _seq_configEdit )) ; then
-    error "Sequence does not have a configuration file"
-    return 1
+  #  # Create/edit configuration file
+  if (( emptyCall )) && (( _seq_configEdit )) ; then
+    sqr::seqConfigEdit || true
+    exit 0
   fi
 
   # Check for profile support