Age | Commit message (Collapse) | Author |
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Pos objects are somewhat wasteful as they duplicate the origin file name and
input type for each object. on files that produce more than one Pos when parsed
this a sizeable waste of memory (one pointer per Pos). the same goes for
ptr<Pos> on 64 bit machines: parsing enough source to require 8 bytes to locate
a position would need at least 8GB of input and 64GB of expression memory. it's
not likely that we'll hit that any time soon, so we can use a uint32_t index to
locate positions instead.
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only file and line of the returned position were ever used, it wasn't actually
used a position. as such we may as well use a path+int pair for only those two
values and remove a use of Pos that would not work well with a position table.
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It does not operate on a derivation and does not return a
derivation path. Instead it works at the language level,
where a distinct term "package" is more appropriate to
distinguish the parent object of `meta.position`; an
attribute which doesn't even make it into the derivation.
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This was useful for an experiment with building Nix as a single
compilation unit. It's not very useful otherwise but also doesn't
hurt...
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Currently resizing of the terminal doesn't play nicely with
nix edit when using kakoune as the editor, as it relies on the
SIGWINCH signal which is trapped by nix. How this is not a problem
with e.g. vim is beyond me.
Virtually all other exec* calls are following a call to
restoreSignals(). This commit adds this behavior to nix edit
as well.
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E.g.
$ nix edit .#nixosConfigurations.bla
now works.
(cherry picked from commit d2032edb2f86e955a8a7724a27c0c3225f386500)
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(cherry picked from commit a0de58f471c9087d8e6cc60a6078f9940a125b15)
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extract the derivation to filename:lineno heuristic
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(cherry picked from commit 893be6f5e36abb58bbaa9c49055a5218114dd514)
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This reverts commit a0ef21262f4d5652bfb65cfacaec01d89c475a93. This
doesn't work in 'nix run' and nix-shell because setns() fails in
multithreaded programs, and Boehm GC mark threads are uncancellable.
Fixes #2646.
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This ensures that they can't write to /nix/store. Fixes #2535.
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Fixes #2079.
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Relevant RFC: NixOS/rfcs#4
$ ag -l | xargs sed -i -e "/\"/s/’/'/g;/\"/s/‘/'/g"
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This is a little convenience command that opens the Nix expression of
the specified package. For example,
nix edit nixpkgs.perlPackages.Moose
opens <nixpkgs/pkgs/top-level/perl-packages.nix> in $EDITOR (at the
right line number for some editors).
This requires the package to have a meta.position attribute.
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