fix conditional where tilde (~) was not properly expanding to user's home directory

autojump.zsh

@@ -15,32 +15,31 @@
 #along with autojump.  If not, see <http://www.gnu.org/licenses/>.
 
 # determine the data directory according to the XDG Base Directory Specification
-if [ -n "${XDG_DATA_HOME}" ]; then
+if [[ -n ${XDG_DATA_HOME} ]]; then
     export AUTOJUMP_DATA_DIR="${XDG_DATA_HOME}/autojump"
 else
-    export AUTOJUMP_DATA_DIR=~/.local/share/autojump
+    export AUTOJUMP_DATA_DIR=${HOME}/.local/share/autojump
 fi
 
-if [ ! -e "${AUTOJUMP_DATA_DIR}" ]; then
+if [[ ! -e ${AUTOJUMP_DATA_DIR} ]]; then
     mkdir -p "${AUTOJUMP_DATA_DIR}"
-    mv ~/.autojump_py "${AUTOJUMP_DATA_DIR}/autojump_py" 2>>/dev/null #migration
-    mv ~/.autojump_py.bak "${AUTOJUMP_DATA_DIR}/autojump_py.bak" 2>>/dev/null
-    mv ~/.autojump_errors "${AUTOJUMP_DATA_DIR}/autojump_errors" 2>>/dev/null
+    mv ${HOME}/.autojump_py "${AUTOJUMP_DATA_DIR}/autojump_py" 2>>/dev/null #migration
+    mv ${HOME}/.autojump_py.bak "${AUTOJUMP_DATA_DIR}/autojump_py.bak" 2>>/dev/null
+    mv ${HOME}/.autojump_errors "${AUTOJUMP_DATA_DIR}/autojump_errors" 2>>/dev/null
 fi
 
 # set paths if necessary for local installations
-if [[ -d "~/.autojump/" ]]; then
-    path=(~/.autojump/bin $path)
-    fpath=(~/.autojump/functions/ $fpath)
+if [[ -d ${HOME}/.autojump ]]; then
+    path=(${HOME}/.autojump/bin ${path})
+    fpath=(${HOME}/.autojump/functions/ ${fpath})
 fi
 # set fpath if necessary for homebrew installation
-if [ -d "`brew --prefix 2>/dev/null`/share/zsh/functions" ]; then
-    fpath=(`brew --prefix`/share/zsh/functions $fpath)
+if [[ -d "`brew --prefix 2>/dev/null`/share/zsh/functions" ]]; then
+    fpath=(`brew --prefix`/share/zsh/functions ${fpath})
 fi
 
 function autojump_preexec() {
-    if [[ "${AUTOJUMP_KEEP_SYMLINKS}" == "1" ]]
-    then
+    if [[ "${AUTOJUMP_KEEP_SYMLINKS}" == "1" ]]; then
         _PWD_ARGS=""
     else
         _PWD_ARGS="-P"