Commit graph

59 commits

Author SHA1 Message Date
Eelco Dolstra
b5944ac4ff Add a command :s to start a nix-shell for a derivation 2013-09-06 15:05:18 +02:00
Eelco Dolstra
c6712a007f Add a command :b to build a derivation 2013-09-06 14:58:53 +02:00
Eelco Dolstra
ad0dd359b4 Don't exit on SIGINT during evaluation
However, this may leave thunks in black-holed state, so it's not
really safe.
2013-09-06 13:20:35 +02:00
Eelco Dolstra
0b419c048b Use readline history file 2013-09-06 13:14:28 +02:00
Eelco Dolstra
4fb82d3d80 Handle SIGINT to cancel the current line 2013-09-06 13:01:02 +02:00
Eelco Dolstra
0f6279d874 Add a command :l for loading a file into scope
Example:

nix-repl> :l <nixpkgs>

nix-repl> lib.range 0 10
[ 0 1 2 3 4 5 6 7 8 9 10 ]

nix-repl> :l <nixos>

nix-repl> config.boot.kernelModules
[ "vboxdrv" "vboxnetadp" ... ]
2013-09-02 16:48:41 +00:00
Eelco Dolstra
3202206d1d Add a command :t for showing the type of an expression 2013-09-02 16:00:48 +00:00
Eelco Dolstra
287c88ca59 Support adding variables to the scope
The command ":a <expr>" evaluates <expr> and adds the attributes in
the resulting attribute set to the interpreter scope.  For instance:

nix-repl> :a import <nixpkgs> {}

nix-repl> lib.range 0 10
[ 0 1 2 3 4 5 6 7 8 9 10 ]
2013-09-02 17:53:58 +02:00
Eelco Dolstra
e90569905e Initial version of nix-repl
This program interactively reads a Nix expression from the user,
evaluates it, and prints the result.
2013-09-02 15:18:15 +02:00