when you run nix-shell 2 times at the same time of project (but different
branches) you get collision in names inside /tmp folder. i solved this by
hashing current path of developing folder and using that as indentifier while
still keeping name at the end.
diff --git a/pkgs/development/python-modules/generic/default.nix
b/pkgs/development/python-modules/generic/default.nix index 4c9c53a..6ec7934
100644 --- a/pkgs/development/python-modules/generic/default.nix +++
b/pkgs/development/python-modules/generic/default.nix @@ -161,11 +161,12 @@ if
disabled then throw "${name} not supported for interpreter ${python.executabl
shellHook = attrs.shellHook or ''
if test -e setup.py; then
- mkdir -p /tmp/$name/lib/${python.libPrefix}/site-packages
+ tmp_path=/tmp/`pwd | md5sum | cut -f 1 -d " "`-$name
+ mkdir -p $tmp_path/lib/${python.libPrefix}/site-packages
${preShellHook}
- export PATH="/tmp/$name/bin:$PATH"
- export PYTHONPATH="/tmp/$name/lib/${python.libPrefix}/site-packages:$PYTHONPATH"
- ${python}/bin/${python.executable} setup.py develop --prefix /tmp/$name
+ export PATH="$tmp_path/bin:$PATH"
+ export PYTHONPATH="$tmp_path/lib/${python.libPrefix}/site-packages:$PYTHONPATH"
+ ${python}/bin/${python.executable} setup.py develop --prefix $tmp_path
${postShellHook}
fi
'';
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