From bd2cc8375efd80771088161ba31e41a521523c26 Mon Sep 17 00:00:00 2001
From: Chris Koeritz <fred@gruntose.com>
Date: Fri, 10 Nov 2017 22:28:24 -0500
Subject: [PATCH] refurbishing for more auto-repair

launcher script cannot auto-locate itself, since it's a sourced script.  so we had to try something more drastic.
---
 scripts/core/generate_aliases.pl        |  2 ++
 scripts/core/launch_feisty_meow.sh      | 24 ++++++++++++++++++------
 scripts/core/reconfigure_feisty_meow.sh |  2 +-
 3 files changed, 21 insertions(+), 7 deletions(-)

diff --git a/scripts/core/generate_aliases.pl b/scripts/core/generate_aliases.pl
index a9c40435..4ed01fb7 100644
--- a/scripts/core/generate_aliases.pl
+++ b/scripts/core/generate_aliases.pl
@@ -94,11 +94,13 @@ sub rebuild_script_aliases {
   }
   if (length($DEBUG_FEISTY_MEOW)) {
     print "using these alias files:\n";
+print "HEY IS THIS PROBLEM CHILD?\n";
     foreach $i (@ALIAS_DEFINITION_FILES) {
       local $base_of_dir = &basename(&dirname($i));
       local $basename = &basename($i);
       print "  $base_of_dir/$basename\n";
     }
+print "WAS PROBLEM CHILD ABOVE HERE?\n";
   }
 
   # write the aliases for sh and bash scripts.
diff --git a/scripts/core/launch_feisty_meow.sh b/scripts/core/launch_feisty_meow.sh
index 496786a7..80226899 100644
--- a/scripts/core/launch_feisty_meow.sh
+++ b/scripts/core/launch_feisty_meow.sh
@@ -18,12 +18,24 @@
 
 ##############
 
-ORIGINATING_FOLDER="$( \cd "$(\dirname "$0")" && /bin/pwd )"
-CORE_SCRIPTS_DIR="$(echo "$ORIGINATING_FOLDER" | tr '\\\\' '/' )"
-THIS_TOOL_NAME="$(basename "$0")"
-# repair some paths that we should always be able to auto-calculate.
-export FEISTY_MEOW_SCRIPTS="$( \cd "$CORE_SCRIPTS_DIR/.." && /bin/pwd )"
-export FEISTY_MEOW_APEX="$( \cd "$FEISTY_MEOW_SCRIPTS/.." && /bin/pwd )"
+# this script cannot handle figuring out where it lives, so approaches that
+# get the WORKDIR will fail.  this is a consequence of this always being used
+# in bash's 'source' directive, which does not pass the script name as
+# argument 0.  instead, we just check for the bad condition of a malconfigured
+# script system and try to repair it.
+
+# check if any crucial folder is hosed.  we will torch the existing config
+# to the extent we can.
+if [ ! -d "$FEISTY_MEOW_SCRIPTS" -o ! -d "$FEISTY_MEOW_APEX" ]; then
+  # wipe out the offending variable(s).
+  unset FEISTY_MEOW_SCRIPTS FEISTY_MEOW_APEX
+  # clean out any unfortunate wrongness that may exist in our generated areas.
+  if [ -d "$"FEISTY_MEOW_LOADING_DOCK ]; then \rm -rf "$FEISTY_MEOW_LOADING_DOCK"; fi
+  if [ -d "$FEISTY_MEOW_GENERATED_STORE" ]; then \rm -rf "$FEISTY_MEOW_GENERATED_STORE"; fi
+  # also wipe any values from the variables pointing at generated stuff.
+  unset FEISTY_MEOW_LOADING_DOCK FEISTY_MEOW_GENERATED_STORE
+  exec "$*"
+fi
 
 ##############
 
diff --git a/scripts/core/reconfigure_feisty_meow.sh b/scripts/core/reconfigure_feisty_meow.sh
index ffef7270..b6421224 100644
--- a/scripts/core/reconfigure_feisty_meow.sh
+++ b/scripts/core/reconfigure_feisty_meow.sh
@@ -75,7 +75,7 @@ PERLLIB=$PERLLIB PERL5LIB=$PERLLIB perl "$FEISTY_MEOW_SCRIPTS/core/generate_alia
 #echo after the generate aliases, perllib is $PERLLIB
 
 if [ ! -z "$DEBUG_FEISTY_MEOW" ]; then
-  echo established these variables for feisty_meow assets:
+  echo this is the variable config file for feisty_meow assets:
   echo ==============
   cat "$FEISTY_MEOW_VARIABLES_LOADING_FILE"
   echo ==============
-- 
2.34.1