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| author | Ben Burdette <bburdette@protonmail.com> | 2022-05-25 10:38:13 -0600 |
|---|---|---|
| committer | Ben Burdette <bburdette@protonmail.com> | 2022-05-25 10:38:13 -0600 |
| commit | 6031a36208dd174f05f094898d8ad35e5366106f (patch) | |
| tree | 166713d946940156122494f05af91db2f162fff1 /doc/manual/src/release-notes/rl-next.md | |
| parent | b4c24a29c62259a068c8270be62cf5a412e1e35c (diff) | |
add --debugger to rl-next list
Diffstat (limited to 'doc/manual/src/release-notes/rl-next.md')
| -rw-r--r-- | doc/manual/src/release-notes/rl-next.md | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/doc/manual/src/release-notes/rl-next.md b/doc/manual/src/release-notes/rl-next.md index efd893662..a808e145a 100644 --- a/doc/manual/src/release-notes/rl-next.md +++ b/doc/manual/src/release-notes/rl-next.md @@ -24,3 +24,16 @@ Selecting derivation outputs using the attribute selection syntax (e.g. `nixpkgs#glibc.dev`) no longer works. + +* Running nix with the new `--debugger` flag will cause it to start a repl session if + there is an exception thrown during eval, or if `builtins.break` is called. From + there one can inspect symbol values and evaluate nix expressions. In debug mode + the following new repl commands are available: + ``` + :env Show env stack + :bt Show trace stack + :st Show current trace + :st <idx> Change to another trace in the stack + :c Go until end of program, exception, or builtins.break(). + :s Go one step + ``` |