making some progress

.venv/bin/activate

@@ -14,8 +14,9 @@ deactivate () {
         unset _OLD_VIRTUAL_PYTHONHOME
     fi
 
-    # Call hash to forget past commands. Without forgetting
-    # past commands the $PATH changes we made may not be respected
+    # Call hash to forget past locations. Without forgetting
+    # past locations the $PATH changes we made may not be respected.
+    # See "man bash" for more details. hash is usually a builtin of your shell
     hash -r 2> /dev/null
 
     if [ -n "${_OLD_VIRTUAL_PS1:-}" ] ; then
@@ -36,19 +37,26 @@ deactivate () {
 deactivate nondestructive
 
 # on Windows, a path can contain colons and backslashes and has to be converted:
-if [ "${OSTYPE:-}" = "cygwin" ] || [ "${OSTYPE:-}" = "msys" ] ; then
-    # transform D:\path\to\venv to /d/path/to/venv on MSYS
-    # and to /cygdrive/d/path/to/venv on Cygwin
-    export VIRTUAL_ENV=$(cygpath "/home/dadams/Repos/california_equity_git/.venv")
-else
-    # use the path as-is
-    export VIRTUAL_ENV="/home/dadams/Repos/california_equity_git/.venv"
-fi
+case "$(uname)" in
+    CYGWIN*|MSYS*|MINGW*)
+        # transform D:\path\to\venv to /d/path/to/venv on MSYS and MINGW
+        # and to /cygdrive/d/path/to/venv on Cygwin
+        VIRTUAL_ENV=$(cygpath /home/dadams/Repos/california_equity_git/.venv)
+        export VIRTUAL_ENV
+        ;;
+    *)
+        # use the path as-is
+        export VIRTUAL_ENV=/home/dadams/Repos/california_equity_git/.venv
+        ;;
+esac
 
 _OLD_VIRTUAL_PATH="$PATH"
-PATH="$VIRTUAL_ENV/bin:$PATH"
+PATH="$VIRTUAL_ENV/"bin":$PATH"
 export PATH
 
+VIRTUAL_ENV_PROMPT=.venv
+export VIRTUAL_ENV_PROMPT
+
 # unset PYTHONHOME if set
 # this will fail if PYTHONHOME is set to the empty string (which is bad anyway)
 # could use `if (set -u; : $PYTHONHOME) ;` in bash
@@ -59,10 +67,8 @@ fi
 
 if [ -z "${VIRTUAL_ENV_DISABLE_PROMPT:-}" ] ; then
     _OLD_VIRTUAL_PS1="${PS1:-}"
-    PS1="(.venv) ${PS1:-}"
+    PS1="(".venv") ${PS1:-}"
     export PS1
-    VIRTUAL_ENV_PROMPT="(.venv) "
-    export VIRTUAL_ENV_PROMPT
 fi
 
 # Call hash to forget past commands. Without forgetting