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This has the same goal as b13fd4c58e81b2b2b0d72caa5ce80de861622610,but
achieves it in a different way in order to not break
`nix why-depends --derivation`.
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This makes 'nix build' work on paths (which will be copied to the
store) and store paths (returned as is). E.g. the following flake
output attributes can be built using 'nix build .#foo':
foo = ./src;
foo = self.outPath;
foo = builtins.fetchTarball { ... };
foo = (builtins.fetchTree { .. }).outPath;
foo = builtins.fetchTree { .. } + "/README.md";
foo = builtins.storePath /nix/store/...;
Note that this is potentially risky, e.g.
foo = /.;
will cause Nix to try to copy the entire file system to the store.
What doesn't work yet:
foo = self;
foo = builtins.fetchTree { .. };
because we don't handle attrsets with an outPath attribute in it yet,
and
foo = builtins.storePath /nix/store/.../README.md;
since result symlinks have to point to a store path currently (rather
than a file inside a store path).
Fixes #7417.
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toDerivedPaths() now returns DerivedPathWithInfo, which is DerivedPath
with some attributes needed by 'nix profile' etc.
Preparation for #7417.
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Introduce AbstractPos
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Add anchors and links to definition
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Co-authored-by: Théophane Hufschmitt <7226587+thufschmitt@users.noreply.github.com>
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This makes the position object used in exceptions abstract, with a
method getSource() to get the source code of the file in which the
error originated. This is needed for lazy trees because source files
don't necessarily exist in the filesystem, and we don't want to make
libutil depend on the InputAccessor type in libfetcher.
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Fixes #7026.
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These are purely related to NIX_PATH / -I command line parsing, so put
them in libexpr.
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Co-authored-by: Valentin Gagarin <valentin.gagarin@tweag.io>
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Automatic UID allocation
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in order to avoid potential problems with the progress bar
Co-authored-by: Eelco Dolstra <edolstra@gmail.com>
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Example:
# nix build -L --extra-experimental-features cgroups --impure --expr 'with import <nixpkgs> {}; runCommand "foo" {} "dd if=/dev/urandom bs=1M count=1024 | md5sum; mkdir $out"' --json
[
{
"cpuSystem": 1.911431,
"cpuUser": 1.214249,
"drvPath": "/nix/store/xzdqz67xba18hljhycp0hwfigzrs2z69-foo.drv",
"outputs": {
"out": "/nix/store/rh9mc9l2gkpq8kn2sgzndr6ll7ffjh6l-foo"
},
"startTime": 1669024076,
"stopTime": 1669024079
}
]
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Example:
# nix build -L --extra-experimental-features cgroups --impure --expr 'with import <nixpkgs> {}; runCommand "foo" {} "dd if=/dev/urandom bs=1M count=1024 | md5sum; mkdir $out"' --json
[
{
"cpuSystem": 1.911431,
"cpuUser": 1.214249,
"drvPath": "/nix/store/xzdqz67xba18hljhycp0hwfigzrs2z69-foo.drv",
"outputs": {
"out": "/nix/store/rh9mc9l2gkpq8kn2sgzndr6ll7ffjh6l-foo"
},
"startTime": 1669024076,
"stopTime": 1669024079
}
]
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Temporarily disable the debugger during completion evaluation
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Completing things that would error would print an ugly error in
the middle of your command line. Avoid printing this error.
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readline is not re-entrant, so entering the debugger from the
completioncallback results in an eventual segfault.
The workaround is to temporarily disable the debugger when searching
for possible completions.
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The description of the --profile option talks about the "update" operation.
This is probably meant for operations such as "nix profile install", but the
same option is reused in other subcommands, which do not update the profile,
such as "nix profile {list,history,diff-closures}".
We update the description to make sense in both contexts.
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This unclutters the per-command options a bit by moving out some
global options.
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The history is not critical to the functionality of nix repl, so it's
enough to warn here, rather than refuse to start if the directory Nix
thinks the history should live in can't be created.
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do not render relative links in help pages
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this simplifies the setup a lot, and avoids weird looking `./file.md`
links showing up.
it also does not show regular URLs any more. currently the command
reference only has few of them, and not showing them in the offline
documentation is hopefully not a big deal.
instead of building more special-case solutions, clumsily preprocessing
the input, or issuing verbal rules on dealing with URLs, should better
be solved sustainably by not rendering relative links in `lowdown`:
https://github.com/kristapsdz/lowdown/issues/105
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The repl was broken since c3769c68465bae971ab6bb48cfcdea85b61ea83a. In
general, the progress bar is incompatible with the repl.
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We don't need it yet.
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No behavior should be changed, the `isDerivation` logic is moved from
the methods to the constructor.
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Improve shell completion of flake inputs
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