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2004-01-15* Catch SIGINT to terminate cleanly when the user tries to interruptEelco Dolstra
Nix. This is to prevent Berkeley DB from becoming wedged. Unfortunately it is not possible to throw C++ exceptions from a signal handler. In fact, you can't do much of anything except change variables of type `volatile sig_atomic_t'. So we set an interrupt flag in the signal handler and check it at various strategic locations in the code (by calling checkInterrupt()). Since this is unlikely to cover all cases (e.g., (semi-)infinite loops), sometimes SIGTERM may now be required to kill Nix.
2004-01-15* Obsolete.Eelco Dolstra
2004-01-05* Implemented Eelco V.'s `nix-env -I' command to specify the defaultEelco Dolstra
path of the Nix expression to be used with the import, upgrade, and query commands. For instance, $ nix-env -I ~/nixpkgs/pkgs/system/i686-linux.nix $ nix-env --query --available [aka -qa] sylpheed-0.9.7 bison-1.875 pango-1.2.5 subversion-0.35.1 ... $ nix-env -i sylpheed $ nix-env -u subversion There can be only one default at a time. * If the path to a Nix expression is a symlink, follow the symlink prior to resolving relative path references in the expression.
2003-11-25* More `make dist' fixes.Eelco Dolstra
2003-11-25* Allow integer bindings in derivations.Eelco Dolstra
2003-11-22* Maintain integrity of the substitute and successor mappings whenEelco Dolstra
deleting a path in the store. * Allow absolute paths in Nix expressions. * Get nix-prefetch-url to work again. * Various other fixes.
2003-11-21* Uninstallation.Eelco Dolstra
2003-11-19* nix-env: a tool to manage user environments.Eelco Dolstra
* Replace all directory reading code by a generic readDirectory() function.
2003-11-19* Refactoring (step 2).Eelco Dolstra
2003-11-19* Refactoring: put the Nix expression evaluator in its own library soEelco Dolstra
that it can be used by multiple programs.