lets try again...

sources_non_forked/vim-addon-mw-utils/autoload/env_reload.vim

@@ -0,0 +1,12 @@
+" in sh/bash you can type export to get a list of environment variables
+" This function assigns those env vars to Vim.
+" Does not delete env vars yet
+" Example: env_reload#ReloadEnv(system("sh -c 'export'")
+fun! env_reload#ReloadEnv(bash_export_command_output)
+  for i in split(a:bash_export_command_output,"\n")
+    let m = matchlist(i, 'export \([^=]\+\)="\(.*\)"')
+    if empty(m) | continue | endif
+    " don't care about quoted values right now.
+    exec 'let $'.m[1].'='.string(m[2])
+  endfor
+endf