Misleading behavior of "port uninstall --follow-dependencies" with multiple ports (Was: Misleading behavior of "port uninstall --follow-dependents" with multiple ports)

[Lawrence Velázquez]

On Sep 10, 2014, at 10:13 PM, Lawrence Velázquez <larryv at macports.org> wrote:

> I don't particularly like the way this plays out:
> 
>  % sudo port uninstall --follow-dependencies installed
>  Password:
>  --->  Deactivating autoconf @2.69_2
>  --->  Cleaning autoconf
>  --->  Uninstalling autoconf @2.69_2
>  The following dependencies will be uninstalled:
>   m4 @1.4.16_0
>   xz @5.0.5_0
>  Continuing in 06 s. Press Ctrl-C to exit: ^CError: Failed to uninstall autoconf: SIGINT signal received
>  Warning: Failed to execute portfile from registry for autoconf @2.69_2
>  --->  Deactivating automake @1.14.1_2
>  --->  Cleaning automake
>  --->  Uninstalling automake @1.14.1_2
>  --->  Cleaning automake
>  --->  Deactivating pcre @8.35_0+universal
>  --->  Cleaning pcre
>  --->  Uninstalling pcre @8.35_0+universal
>  The following dependencies will be uninstalled: xz @5.0.5_0
>  Continuing in 07 s. Press Ctrl-C to exit: ^CError: Failed to uninstall pcre: SIGINT signal received
>  Warning: Failed to execute portfile from registry for pcre @8.35_0+universal
>  --->  Deactivating clang-3.4 @3.4.2_1+analyzer
> 
> -------------------->8--------------------
> 
>  --->  Deactivating openssl @1.0.1i_0+universal
>  --->  Cleaning openssl
>  --->  Uninstalling openssl @1.0.1i_0+universal
>  The following dependencies will be uninstalled: zlib @1.2.8_0
>  Continuing in 09 s. Press Ctrl-C to exit: ^CError: Failed to uninstall openssl: SIGINT signal received
>  Warning: Failed to execute portfile from registry for openssl @1.0.1i_0+universal
>  --->  Deactivating python_select @0.3_3
>  --->  Cleaning python_select
>  --->  Uninstalling python_select @0.3_3
>  --->  Cleaning python_select
>  --->  Deactivating zlib @1.2.8_0+universal
>  --->  Cleaning zlib
>  --->  Uninstalling zlib @1.2.8_0+universal
>  --->  Cleaning zlib
>  sudo port uninstall --follow-dependencies installed  35.99s user 2.63s system 49% cpu 1:18.70 total
>  % port installed
>  No ports are installed.
>  %
> 
> The prompts suggest that you can cancel the process, but this is misleading. Pressing Control-C just cancels the uninstallation of the dependencies for the port that was just uninstalled. Afterwards, base continues uninstalling the other ports given on the command line.
> 
> I understand why it works this way, but users are bound to find this incredibly confusing.

Oops, typo in original subject. Sorry.

vq