X-Git-Url: https://feistymeow.org/gitweb/?a=blobdiff_plain;f=scripts%2Fcore%2Ffunctions.sh;h=6f447a74b79e4d07bfbba3cf677a2f182bf4d9de;hb=8f9e4d54ecd9cca39c975b3107fb69a7b58e0057;hp=60f576295eff2f118d9a6efb2ea96d4eb73727f4;hpb=b6fefd0947fae2cec0ab449b3bd10a5285b1099b;p=feisty_meow.git

diff --git a/scripts/core/functions.sh b/scripts/core/functions.sh
index 60f57629..6f447a74 100644
--- a/scripts/core/functions.sh
+++ b/scripts/core/functions.sh
@@ -275,6 +275,20 @@ if [ -z "$skip_all" ]; then
     echo
   }
 
+  # a wrapper for the which command that finds items on the path.  some OSes
+  # do not provide which, so we want to not be spewing errors when that
+  # happens.
+  function whichable()
+  {
+    to_find="$1"; shift
+    which which &>/dev/null
+    if [ $? -ne 0 ]; then
+      # there is no which command here.  we produce nothing due to this.
+      echo
+    fi
+    echo $(which $to_find)
+  }
+
   # copies a set of custom scripts into the proper location for feisty meow
   # to merge their functions and aliases with the standard set.
   function recustomize()
@@ -291,13 +305,43 @@ if [ -z "$skip_all" ]; then
       return 1
     fi
     regenerate >/dev/null
+    pushd "$FEISTY_MEOW_GENERATED/custom" &>/dev/null
+    local incongruous_files="$(bash "$FEISTY_MEOW_SCRIPTS/files/list_non_dupes.sh" "$FEISTY_MEOW_DIR/customizing/$user" "$FEISTY_MEOW_GENERATED/custom")"
+    if [ ${#incongruous_files} -ge 1 ]; then
+      echo "cleaning unknown older overrides..."
+      perl "$FEISTY_MEOW_SCRIPTS/files/safedel.pl" $incongruous_files
+      echo
+    fi
+    popd &>/dev/null
     echo "copying custom overrides for $user"
-    perl "$FEISTY_MEOW_SCRIPTS/files/safedel.pl" "$FEISTY_MEOW_GENERATED/custom"
-    mkdir "$FEISTY_MEOW_GENERATED/custom"
+    mkdir "$FEISTY_MEOW_GENERATED/custom" 2>/dev/null
     perl "$FEISTY_MEOW_SCRIPTS/text/cpdiff.pl" "$FEISTY_MEOW_DIR/customizing/$user" "$FEISTY_MEOW_GENERATED/custom"
     regenerate
   }
 
+  function add_cygwin_drive_mounts() {
+    for i in c d e f g h q z ; do
+      ln -s /cygdrive/$i $i
+    done
+  }
+
+
+  # takes a file to modify, and then it will replace any occurrences of the
+  # pattern provided as the second parameter with the text in the third
+  # parameter.
+  function replace_pattern_in_file()
+  {
+    local file="$1"; shift
+    local pattern="$1"; shift
+    local replacement="$1"; shift
+    if [ -z "$file" -o -z "$pattern" -o -z "$replacement" ]; then
+      echo "replace_pattern_in_file: needs a filename, a pattern to replace, and the"
+      echo "text to replace that pattern with."
+      return 1
+    fi
+    sed -i -e "s/$pattern/$replacement/" "$file"
+  }
+
   function function_sentinel() { return 0; }
   
   if [ ! -z "$SHELL_DEBUG" ]; then echo function definitions end....; fi