relocatable activate for bash, dash, zsh, ksh, fish, Windows

virtualenv.py

@@ -2229,40 +2229,46 @@ def convert(s):
 
 ##file activate.sh
 ACTIVATE_SH = convert("""
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 """)
 
 ##file activate.fish
 ACTIVATE_FISH = convert("""
-eJyVVWFv2jAQ/c6vuBoqQVWC9nVSNVGVCaS2VC2rNLWVZZILWAs2s52wVvvxsyEJDrjbmgpK7PP5
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 """)
 
 ##file activate.csh
@@ -2282,17 +2288,18 @@ def convert(s):
 
 ##file activate.bat
 ACTIVATE_BAT = convert("""
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+ODELlIx97lHyADgDmTA=
 """)
 
 ##file deactivate.bat
 DEACTIVATE_BAT = convert("""
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 """)
 
 ##file activate.ps1

virtualenv_embedded/activate.bat

@@ -1,5 +1,8 @@
 @echo off
-set "VIRTUAL_ENV=__VIRTUAL_ENV__"
+
+pushd %~dp0..
+set "VIRTUAL_ENV=%CD%"
+popd
 
 if defined _OLD_VIRTUAL_PROMPT (
     set "PROMPT=%_OLD_VIRTUAL_PROMPT%"

virtualenv_embedded/activate.fish

@@ -32,7 +32,7 @@ end
 # unset irrelevant variables
 deactivate nondestructive
 
-set -gx VIRTUAL_ENV "__VIRTUAL_ENV__"
+set -gx VIRTUAL_ENV (cd (dirname (status -f)); cd ..; pwd)
 
 set -gx _OLD_VIRTUAL_PATH $PATH
 set -gx PATH "$VIRTUAL_ENV/__BIN_NAME__" $PATH

virtualenv_embedded/activate.sh

@@ -1,6 +1,8 @@
 # This file must be used with "source bin/activate" *from bash*
 # you cannot run it directly
 
+ACTIVATE_PATH_FALLBACK="$_"
+
 deactivate () {
     unset pydoc
 
@@ -39,7 +41,32 @@ deactivate () {
 # unset irrelevant variables
 deactivate nondestructive
 
+# attempt to determine VIRTUAL_ENV in relocatable way
+if [ ! -z "${BASH_SOURCE:-}" ]; then
+    # bash
+    ACTIVATE_PATH="${BASH_SOURCE}"
+elif [ ! -z "${DASH_SOURCE:-}" ]; then
+    # dash
+    ACTIVATE_PATH="${DASH_SOURCE}"
+elif [ ! -z "${ZSH_VERSION:-}" ]; then
+    # zsh
+    ACTIVATE_PATH="$0"
+elif [ ! -z "${KSH_VERSION:-}" ] || [ ! -z "${.sh.version:}" ]; then
+    # ksh - we have to use history, and unescape spaces before quoting
+    ACTIVATE_PATH="$(history -r -l -n | head -1 | sed -e 's/^[\t ]*\(\.\|source\) *//;s/\\ / /g')"
+elif [ "$(basename "$ACTIVATE_PATH_FALLBACK")" == "activate.sh" ]; then
+    ACTIVATE_PATH="${ACTIVATE_PATH_FALLBACK}"
+else
+    ACTIVATE_PATH=""
+fi
+
+# default to non-relocatable path
 VIRTUAL_ENV="__VIRTUAL_ENV__"
+if [ ! -z "${ACTIVATE_PATH:-}" ]; then
+    VIRTUAL_ENV="$(cd "$(dirname "${ACTIVATE_PATH}")/.."; pwd)"
+fi
+unset ACTIVATE_PATH
+unset ACTIVATE_PATH_FALLBACK
 export VIRTUAL_ENV
 
 _OLD_VIRTUAL_PATH="$PATH"