Fix defaut IFS for Ubuntu 11.x

lib/design.sh

@@ -33,7 +33,7 @@ design() {
   local project=`basename $(pwd)`
   local all_project_dirs="$design_base_dirs $design_av_dirs"
   # Ensure design dir contains all subdirectories
-  unset IFS
+  IFS=$' \t\n'
   # Create root design dirs
   for dir in $design_ext_dirs; do mkdir -p "$root_design_dir/$dir"; done
   # Create project design dirs

lib/git/fallback/status_shortcuts_shell.sh

@@ -114,7 +114,7 @@ git_status_shortcuts() {
     # so just use plain 'git status'
     git status
   fi
-  unset IFS
+  IFS=$' \t\n'
   zsh_reset # Reset zsh environment to default
 }
 # Template function for 'git_status_shortcuts'.

lib/git/repo_index.sh

@@ -99,7 +99,7 @@ function git_index() {
       # --------------------
       # Go to our base path
       if [ -n "$base_path" ]; then
-        unset IFS
+        IFS=$' \t\n'
         # evaluate ~ if necessary
         if [[ "$base_path" == "~"* ]]; then
           base_path=$(eval echo ${base_path%%/*})/${base_path#*/}
@@ -112,7 +112,7 @@ function git_index() {
       fi
     fi
   fi
-  unset IFS
+  IFS=$' \t\n'
 }
 
 _git_index_dirs_without_home() {
@@ -127,7 +127,7 @@ function _find_git_repos() {
     echo ${repo%/.git}          # Return project folder, with trailing ':'
     _find_git_submodules $repo  # Detect any submodules
   done
-  unset IFS
+  IFS=$' \t\n'
 }
 
 # List all submodules for a git repo, if any.
@@ -146,7 +146,7 @@ function _rebuild_git_index() {
   for repo in $(echo -e "$(_find_git_repos)\n$(echo $GIT_REPOS | sed "s/:/\\\\n/g")"); do
     echo $(basename $repo | sed "s/ /_/g") $repo
   done | sort | cut -d " " -f2- > "$GIT_REPO_DIR/.git_index"
-  unset IFS
+  IFS=$' \t\n'
 
   if [ "$1" != "--silent" ]; then
     echo -e "===== Indexed $_bld_col$(_git_index_count)$_txt_col repos in $GIT_REPO_DIR/.git_index"
@@ -218,7 +218,7 @@ _git_index_update_all_branches() {
       echo "=== Skipping $branch: remote and merge refs are not configured."
     fi
   done
-  unset IFS
+  IFS=$' \t\n'
 
   # Update all remotes if there are any branches to update
   if [ -n "${branches[*]}" ]; then git fetch --all 2> /dev/null; fi
@@ -257,7 +257,7 @@ function _git_index_batch_cmd() {
   cwd="$PWD"
   if [ -n "$1" ]; then
     echo -e "== Running command for $_bld_col$(_git_index_count)$_txt_col repos...\n"
-    unset IFS
+    IFS=$' \t\n'
     local base_path
     for base_path in $(sed -e "s/--.*//" "$GIT_REPO_DIR/.git_index" | grep . | sort); do
       builtin cd "$base_path"
@@ -303,7 +303,7 @@ function _git_index_tab_completion() {
   else
     COMPREPLY=($(compgen -W '$(sed -e "s:.*/::" -e "s:$:/:" "$GIT_REPO_DIR/.git_index" | sort)' -- $curw))
   fi
-  unset IFS
+  IFS=$' \t\n'
   return 0
 }
 

lib/git/status_shortcuts.sh

@@ -40,7 +40,7 @@ git_status_shortcuts() {
     if [ "$scmbDebug" = "true" ]; then echo "Set \$$git_env_char$e  => $file"; fi
     let e++
   done
-  unset IFS
+  IFS=$' \t\n'
 
   if [ "$scmbDebug" = "true" ]; then echo "------------------------"; fi
   # Print status
@@ -115,7 +115,7 @@ git_silent_add_patch_shortcuts() {
       git add -p "$file"
       echo -e "# add '$file'"
     done
-    unset IFS
+    IFS=$' \t\n'
     echo "#"
   fi
 }

test/lib/git/repo_index_test.sh

@@ -63,7 +63,7 @@ EOF
   for dir in $GIT_REPOS; do
     mkdir -p $dir; cd $dir; git init;
   done
-  unset IFS
+  IFS=$' \t\n'
 
   verboseGitCommands
 
@@ -74,7 +74,7 @@ oneTimeTearDown() {
   rm -rf "${GIT_REPO_DIR}"
   IFS=":"
   for dir in $GIT_REPOS; do rm -rf $dir; done
-  unset IFS
+  IFS=$' \t\n'
 }
 
 ensureIndex() {