comment from Reynaldo Cordero about PS1 in nix-shell

src/posts/0010-Haskell-Now/index.org

@@ -160,7 +160,7 @@ The article contains five parts:
 
   - More on infinite tree; a more math oriented discussion about
     infinite trees
-** Helpers                                                                             :noexport:
+** Helpers                                                                                                :noexport:
 :PROPERTIES:
 :CUSTOM_ID: helpers
 :END:
@@ -205,7 +205,7 @@ The article contains five parts:
      name = "env";
      buildInputs = nixPackages;
      shellHook = ''
-        export PS1="\n[hs:\033[1;32m\]\W\[\033[0m\]]> "
+        export PS1="\n\[[hs:\033[1;32m\]\W\[\033[0m\]]> "
      '';
    }
    #+end_src
@@ -3737,7 +3737,7 @@ in
       ];
     # nice prompt for the nix-shell
     shellHook = ''
-     export PS1="\n[${name}:\033[1;32m\]\W\[\033[0m\]]> "
+     export PS1="\n\[[${name}:\033[1;32m\]\W\[\033[0m\]]> "
   '';
   };
 }

src/posts/0010-Haskell-Now/my-app/default.nix

@@ -29,7 +29,7 @@ in
       ];
     # nice prompt for the nix-shell
     shellHook = ''
-     export PS1="\n[${name}:\033[1;32m\]\W\[\033[0m\]]> "
+     export PS1="\n\[[${name}:\033[1;32m\]\W\[\033[0m\]]> "
   '';
   };
 }

src/posts/0010-Haskell-Now/shell.nix

@@ -21,6 +21,6 @@
      name = "env";
      buildInputs = nixPackages;
      shellHook = ''
-        export PS1="\n[hs:\033[1;32m\]\W\[\033[0m\]]> "
+        export PS1="\n\[[hs:\033[1;32m\]\W\[\033[0m\]]> "
      '';
    }