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Author SHA1 Message Date
Eelco Dolstra 2a41a567e2 Improve FlakeRef::to_string() 
We were incorrectly using path syntax (i.e. /<ref>/<rev>) for Git
repositories. This is only valid for GitHub flakerefs.
 2019-05-07 23:32:09 +02:00
Eelco Dolstra 3c171851a8 Make the URL/path of the global flake registry configurable 2019-05-07 22:49:13 +02:00
Nick Van den Broeck 201f92e02c Fixed Flake data type and flake fetching 2019-05-07 05:57:08 +02:00
Daniel Schaefer 3f192ac80c Add builtins.hashFile 
For text files it is possible to do it like so:
`builtins.hashString "sha256" (builtins.readFile /tmp/a)`
but that doesn't work for binary files.

With builtins.hashFile any kind of file can be conveniently hashed.
 2019-05-03 17:23:36 +02:00
Eelco Dolstra f8c4742c2f Fix 'git add' when subdir is empty 2019-05-03 13:15:13 +02:00
Eelco Dolstra 2aafa6901e Merge remote-tracking branch 'tweag/subdir' into flakes 2019-05-03 12:54:59 +02:00
Eelco Dolstra f9a2ea4486
Fix "Bad system call" running i686-linux binaries on x86_64-linux 
To determine which seccomp filters to install, we were incorrectly
using settings.thisSystem, which doesn't denote the actual system when
--system is used.

Fixes #2791.
 2019-05-03 10:48:33 +02:00
Eelco Dolstra 7ba0f98e64 nix dev-shell: Less purity 2019-05-02 21:28:52 +02:00
Eelco Dolstra 8ec77614f6 Move createTempFile to libutil 2019-05-02 21:28:41 +02:00
Eelco Dolstra dea18ff999 nix dev-shell: Execute shellHook 2019-05-02 21:13:19 +02:00
Eelco Dolstra 2919c496ea nix dev-shell: Use 'provides.devShell' by default 
Thus

  $ nix dev-shell

will now build the 'provides.devShell' attribute from the flake in the
current directory. If it doesn't exist, it falls back to
'provides.defaultPackage'.
 2019-05-02 21:10:13 +02:00
Eelco Dolstra 7dcf5b011a Add function for quoting strings 2019-05-02 21:09:52 +02:00
Eelco Dolstra 2b8c63f303 Add 'nix dev-shell' and 'nix print-dev-env' command 
'nix dev-shell' is intended to replace nix-shell. It supports flakes,
e.g.

  $ nix dev-shell nixpkgs:hello

starts a bash shell providing an environment for building 'hello'.

Like Lorri (and unlike nix-shell), it computes the build environment
by building a modified top-level derivation that writes the
environment after running $stdenv/setup to $out and exits. This
provides some caching, so it's faster than nix-shell in some cases
(especially for packages with lots of dependencies, where the setup
script takes a long time).

There also is a command 'nix print-dev-env' that prints out shell code
for setting up the build environment in an existing shell, e.g.

  $ . <(nix print-dev-env nixpkgs:hello)

https://github.com/tweag/nix/issues/21
 2019-05-02 20:22:14 +02:00
Nick Van den Broeck e0d4aa75fc Fixed compile errors 2019-05-02 08:40:00 +02:00
Eelco Dolstra 5d6e8c008b Allow 'dir' parameter in github: URIs 
E.g. 'github:edolstra/dwarffs/flake?dir=foo/bar'.
 2019-05-01 20:44:30 +02:00
Eelco Dolstra a37436d792 Accept empty directories 2019-05-01 20:44:30 +02:00
Eelco Dolstra fa88f71520 Validate 'dir=' parameters 
We reject any path element starting with a '.' (mostly to reject '.'
and '..').
 2019-05-01 20:44:30 +02:00
Eelco Dolstra ab9e47284a Improve error message 2019-05-01 20:44:30 +02:00
Nick Van den Broeck 43408d3cd6 flake.lock now uses flakeRef.subdir 2019-05-01 16:24:33 +02:00
Eelco Dolstra 00db8d4549 Support 'dir' parameters in https and ssh flake URIs 2019-05-01 14:24:22 +02:00
Nick Van den Broeck 9b3069a88c Fuzzymatching 
Fixed issue #61
 2019-05-01 12:59:35 +02:00
Nick Van den Broeck eba85e2367 WIP: still need to adapt flakeref parsing 2019-05-01 12:59:12 +02:00
Samuel Dionne-Riel cbc7d9a412 findRootsNoTemp: fixes comment about findRuntimeRoots 
The NIX_ROOT_FINDER environment variable was removed in
3c46fe62b8 when porting from perl to C.
 2019-04-30 22:43:24 -04:00
Eelco Dolstra 4588a6ff3c Merge remote-tracking branch 'tweag/flakeFlags' into flakes 2019-04-30 12:46:54 +02:00
Nick Van den Broeck 24b35bf9e7 Fixed issue #13 2019-04-30 11:26:45 +02:00
Nick Van den Broeck 35d1c95f7f Fix flag registry order 2019-04-30 11:04:31 +02:00
Eelco Dolstra e6109ec765 Merge remote-tracking branch 'tweag/fixFlakeList' into flakes 2019-04-25 14:05:40 +02:00
Nick Van den Broeck d867e1804a Fix printing FlakeList 2019-04-25 11:43:16 +02:00
Nick Van den Broeck e9c42c06ef Fixed lookupFlake bug 2019-04-25 10:50:59 +02:00
Eelco Dolstra 21d5abfc14 Merge remote-tracking branch 'tweag/flake-clone' into flakes 2019-04-24 12:47:35 +02:00
Eelco Dolstra cc51e37ad0 Use "." as the default installable 
This makes e.g. "nix build" do something more or less reasonable
(namely, build the default package of the flake in the current
directory).
 2019-04-19 16:16:04 +02:00
Eelco Dolstra 4fb594a375 Merge remote-tracking branch 'tweag/resolvedFlake' into flakes 2019-04-19 15:56:17 +02:00
Eelco Dolstra f8a52cc598 nlohmann-json: 3.5.0 -> 3.6.1 
https://github.com/nlohmann/json/releases/tag/v3.6.1

This fixes some clang warnings.
 2019-04-19 14:53:58 +02:00
Eelco Dolstra 3392f1b778 Shut up clang warning 2019-04-19 14:41:06 +02:00
Nick Van den Broeck e51abb6631 Changed some names 2019-04-19 14:23:35 +02:00
Eelco Dolstra 50ec2bed9e nix flake info: Show revcount 2019-04-19 14:19:46 +02:00
Eelco Dolstra bc259192b4 fetchGit: Return revCount for dirty working trees 2019-04-19 14:15:51 +02:00
Eelco Dolstra 0cbda84f5b exportGit: Don't clone local repositories 
This ensures that commands like 'nix flake info /my/nixpkgs' don't
copy a gigabyte of crap to ~/.cache/nix.

Fixes #60.
 2019-04-19 14:10:57 +02:00
Eelco Dolstra 160ce18a0e Improve missing flake.nix error message 2019-04-19 11:43:56 +02:00
Eelco Dolstra 6960ee929d Clean up exportGit argument handling 2019-04-19 11:34:23 +02:00
Eelco Dolstra 46cb15df9b Fix assertion failure in FlakeRef::to_string() 2019-04-19 11:16:14 +02:00
Eelco Dolstra 6e4210d8ce Fix assertion failure 2019-04-19 10:58:08 +02:00
Daiderd Jordan b614e0e53d
build: only skip hash rewriting for sandboxing on linux 
The sandbox on darwin, and possibly other future platforms, doesn't have
enough isolation to redirect outputs without hash rewriting.
 2019-04-17 23:41:23 +02:00
Eelco Dolstra 160b974fb0 Fix mutability check 2019-04-17 13:54:06 +02:00
Nick Van den Broeck b42ba08fc8 Add command flake clone 2019-04-17 13:31:09 +02:00
Eelco Dolstra 939bee06cd Pass a flake to itself as "self" 2019-04-16 16:29:44 +02:00
Eelco Dolstra 3ddb6d1833 Allow refs to start with a digit 
E.g. we want to accept "19.03" as a ref.
 2019-04-16 16:24:51 +02:00
Eelco Dolstra 260527a90c Use the lock file 2019-04-16 16:18:47 +02:00
Eelco Dolstra 3c28cb1b8f Improve 'nix flake info' a bit 
Example:

  $ nix flake info dwarffs
  ID:          dwarffs
  URI:         github:edolstra/dwarffs/a83d182fe3fe528ed6366a5cec3458bcb1a5f6e1
  Description: A filesystem that fetches DWARF debug info from the Internet on demand
  Revision:    a83d182fe3fe528ed6366a5cec3458bcb1a5f6e1
  Path:        /nix/store/grgd14kxxk8q4n503j87mpz48gcqpqw7-source
 2019-04-16 16:18:19 +02:00
Eelco Dolstra 3d0e81051f Fix lock file generation 
Before:

   "requires": {
        "nixpkgs": {
            "uri": "nixpkgs"
        }
    },

After:

    "requires": {
        "nixpkgs": {
            "uri": "github:edolstra/nixpkgs/f10e8a02eb7fa2b4a070f30cf87f4efcc7f3186d"
        }
    },
 2019-04-16 15:43:55 +02:00
Eelco Dolstra 8c4e759efd updateLockFile(): Make sure Git can see flake.lock 2019-04-16 15:11:17 +02:00
Eelco Dolstra cfca793a20 Remove unneeded pureEval flags 2019-04-16 15:06:40 +02:00
Eelco Dolstra 60834492ae Update lock files from InstallableFlake::toValue() 
This ensures that the lock file is updated *before* evaluating it, and
that it gets updated for any nix command, not just 'nix build'.

Also, while computing the lock file, allow arbitrary registry lookups,
not just at top-level.

Also, improve some error messages slightly.
 2019-04-16 15:02:02 +02:00
Eelco Dolstra 7b312a8762 Pass stuff by reference 2019-04-16 14:27:54 +02:00
Eelco Dolstra e1d73edb10 writeLockFile(): Emit empty objects rather than null 2019-04-16 14:23:10 +02:00
Eelco Dolstra ed9d725392 getFlake(): Use impureIsAllowed 
This fixes 'nix build nixpkgs:hello' without --impure.
 2019-04-16 14:16:20 +02:00
Eelco Dolstra ba66455636 Improve incremental build 2019-04-16 14:10:05 +02:00
Eelco Dolstra aecf07b1d6 Remove dead function 2019-04-16 14:08:14 +02:00
Eelco Dolstra 035ac44354 Fix makeFlakeValue() 2019-04-16 13:56:08 +02:00
Eelco Dolstra d8fa2fc429 Add FIXME for pureEval 2019-04-16 12:26:17 +02:00
Eelco Dolstra 3a5493bfe8 Merge remote-tracking branch 'tweag/privateGithub' into flakes 2019-04-16 12:23:56 +02:00
Nick Van den Broeck 7587d62d02 Fixed flake pin issues 2019-04-16 08:38:17 +02:00
Nick Van den Broeck b3d33b02e3 Added support for private github repositories 2019-04-16 08:14:46 +02:00
Eelco Dolstra b4e367bf4a FlakeRef::to_string(): Drop the "flake:" prefix 
This is unnecessary in most contexts and makes 'nix flake list' output
less readable.
 2019-04-15 14:13:10 +02:00
Eelco Dolstra c179f668e5 Slight cleanup 2019-04-15 14:08:18 +02:00
Eelco Dolstra f6d684b5e2 getFlakeRegistries(): Return registries regardless of pureEval 
This makes e.g. 'nix flake list' work.
 2019-04-15 13:48:56 +02:00
Eelco Dolstra 84c12dbd7c Move --impure to MixEvalArgs 2019-04-15 13:45:51 +02:00
Eelco Dolstra a12cd53567 Merge remote-tracking branch 'tweag/automatedUpdate' into flakes 2019-04-15 12:11:16 +02:00
Eelco Dolstra bb6e6923f2 Add environment variable NIX_SHOW_SYMBOLS for dumping the symbol table 2019-04-11 23:04:13 +02:00
Nick Van den Broeck 4bf3a8226b Automated lockfile updating with nix build 2019-04-11 14:34:04 +02:00
Nick Van den Broeck 4ad4e48668 FlakeRegistry = FlakeRef -> FlakeRef 2019-04-11 07:08:04 +02:00
Nick Van den Broeck c64f98b883 FlakeAlias is implemented 2019-04-09 10:16:02 +02:00
Nick Van den Broeck f39670c631 Took ref and rev out of FlakeRef 2019-04-09 09:51:42 +02:00
Nick Van den Broeck 3ec0c82fab Fixed dependency resolution 2019-04-09 09:51:42 +02:00
Nick Van den Broeck 641db127be FlakeIds are now properly looked up in registries 2019-04-09 09:51:36 +02:00
Nick Van den Broeck 18c019b616 Added nonFlakeRequires and the command nix flake deps 2019-04-09 08:38:09 +02:00
Eelco Dolstra 87033f2c4e Whitespace 2019-04-08 23:58:33 +02:00
Eelco Dolstra c996e04aca Allow relative paths in flakerefs 
Also allow "." as an installable to refer to the flake in the current
directory. E.g.

  $ nix build .

will build 'provides.defaultPackage' in the flake in the current
directory.
 2019-04-08 23:52:09 +02:00
Eelco Dolstra 507da65900 Move flake template into a separate file 2019-04-08 23:39:38 +02:00
Eelco Dolstra 47727252ff Add "nix flake init" command for creating a flake 2019-04-08 23:36:12 +02:00
Eelco Dolstra ee1254d4f5 nix: Add --impure as a shorter alias of --no-pure-eval 2019-04-08 23:19:19 +02:00
Eelco Dolstra 6a4c7fb975 Add path flakeref variant 
Unlike file://<path>, this allows the path to be a dirty Git tree, so

  nix build /path/to/flake:attr

is a convenient way to test building a local flake.
 2019-04-08 23:09:18 +02:00
Eelco Dolstra 4023ae4cdf nix: Support nixpkgs.<attrpath> for compatibility 2019-04-08 16:22:04 +02:00
Eelco Dolstra 101d964a59 nix: Make -f work for compatibility 2019-04-08 16:11:17 +02:00
Eelco Dolstra 9b7eac332b Merge remote-tracking branch 'origin/master' into flakes 2019-04-08 14:23:48 +02:00
Eelco Dolstra 154244adc6 nix: New installables syntax 
The general syntax for an installable is now
<flakeref>:<attrpath>. The attrpath is relative to the flake's
'provides.packages' or 'provides' if the former doesn't yield a
result. E.g.

  $ nix build nixpkgs:hello

is equivalent to

  $ nix build nixpkgs:packages.hello

Also, '<flakeref>:' can be omitted, in which case it defaults to
'nixpkgs', e.g.

  $ nix build hello
 2019-04-08 14:21:13 +02:00
Eelco Dolstra 6b0ca8e803 findAlongAttrPath(): Throw AttrPathNotFound 2019-04-08 14:20:58 +02:00
Eelco Dolstra 41ba5135e0 primeCache(): Barf if builds are needed but not allowed 
Fixes #2753.
 2019-04-01 21:09:49 +02:00
Eelco Dolstra 2bc6304793 getMachines(): Cache result 2019-04-01 21:09:35 +02:00
Eelco Dolstra f32fbf952d Fix Bison 3.3 warning 2019-03-27 21:09:31 +01:00
Eelco Dolstra c101b29133 Merge remote-tracking branch 'tweag/flake-registries' into flakes 2019-03-27 14:40:36 +01:00
Eelco Dolstra be7fd63595 Remove debug line 2019-03-26 14:25:43 +01:00
Eelco Dolstra f9c7176a87 nix flake add: Handle ~/.config/nix not existing 
Fixes

  $ nix flake add fnord github:edolstra/fnord
  error: opening file '/home/eelco/.config/nix/registry.json': No such file or directory
 2019-03-26 12:48:57 +01:00
Eelco Dolstra 42be60c6af Merge remote-tracking branch 'tweag/flake-add' into flakes 2019-03-26 12:35:27 +01:00
Eelco Dolstra edb3836696 Merge remote-tracking branch 'tweag/auto-update-flake' into flakes 2019-03-26 11:50:22 +01:00
Eelco Dolstra b5565a7081 Merge remote-tracking branch 'origin/master' into flakes 2019-03-26 11:44:14 +01:00
Eelco Dolstra 5c05c238e6
Merge pull request #1828 from zimbatm/isPath 
Add isPath primop
 2019-03-25 19:58:11 +01:00
Will Dietz 42e2d5e7b7
store-api.hh: add missing include for unordered_map 2019-03-25 09:18:30 +01:00
Jonas Chevalier 514b3c7f83
Add isPath primop 
this is added for completeness' sake since all the other possible
`builtins.typeOf` results have a corresponding `builtins.is<Type>`
 2019-03-24 11:36:49 +01:00
xbreak fcd7660976 repl: Restore CTRL-C behaviour 
Install signal handler during `readline` to handle SIGINT to abort
partially typed expressions.
 2019-03-24 09:39:48 +00:00
Nick Van den Broeck a554f523db Combining registries properly 2019-03-23 13:42:48 +01:00
Nick Van den Broeck 5e4d92d267 Issue #15 is finished 2019-03-22 15:22:18 +01:00
Nick Van den Broeck e007f367bd Fixed minor things 2019-03-22 11:21:49 +01:00
Nick Van den Broeck d4ee8afd59 Implemented --flake flag for nix build 
Also fixed Eelco's PR comments
 2019-03-22 11:16:20 +01:00
Linus Heckemann 2aa89daab3 eval: improve type description for primops and applied primops 
This can make type errors a little easier to understand.
 2019-03-21 15:31:46 +01:00
Chaker Benhamed 81a23fa7e2 Add a 5 seconds of timeouts to connect to S3. 
The default is 1000ms, but we can hit it a lot of we don't have direct
link to AWS (e.g. using VPN).
 2019-03-15 13:23:58 +01:00
Eelco Dolstra 1f64f4c7c8
pkg-config files: Use c++17 2019-03-14 14:11:12 +01:00
Eelco Dolstra ef52ccf035
experimental/optional -> optional 2019-03-14 14:10:52 +01:00
Eelco Dolstra 86f3b94c8c
nix-store --gc --print-roots: Sort output 2019-03-14 13:59:10 +01:00
Eelco Dolstra 578ed7a259
findRoots(): Don't censor for trusted users 
They're pretty much root anyway.
 2019-03-14 13:53:34 +01:00
Eelco Dolstra 53522cb6ac
findRoots(): Add 'censor' parameter 
This is less brittle than filtering paths after the fact in
nix-daemon.
 2019-03-14 13:53:34 +01:00
Eelco Dolstra a3f37d87ea
findRuntimeRoots: Simplify/fix handling of /proc files 
Scanning of /proc/<pid>/{exe,cwd} was broken because '{memory:' was
prepended twice. Also, get rid of the whole '{memory:...}' thing
because it's unnecessary, we can just list the file in /proc directly.
 2019-03-14 13:30:25 +01:00
Guillaume Maudoux 4f4391193c Fix warning about unused variable 2019-03-10 00:56:09 +01:00
Guillaume Maudoux 38ee16ae9c Unify internal findRootsXxx() api 2019-03-10 00:56:09 +01:00
Guillaume Maudoux 9d7221183a unify naming of roots as links & targets 2019-03-10 00:56:09 +01:00
Guillaume Maudoux 5c56570726 Also obfuscate the number of memory roots 2019-03-10 00:56:09 +01:00
Guillaume Maudoux fc02b1b3ee Also print rooted path in nix-store -q --roots 2019-03-10 00:56:09 +01:00
Guillaume Maudoux 8574b70342 fixup! Make roots a map of store paths to pinning links 2019-03-10 00:56:09 +01:00
Guillaume Maudoux ebc86550f9 Make roots a map of store paths to pinning links 
This new structure makes more sense as there may be many sources rooting
the same store path. Many profiles can reference the same path but this
is even more true with /proc/<pid>/maps where distinct pids can and
often do map the same store path.
This implementation is also more efficient as the `Roots` map contains
only one entry per rooted store path.
 2019-03-10 00:56:09 +01:00
Guillaume Maudoux a17f86ce3a Obfuscate memory roots for non-root users 2019-03-10 00:56:09 +01:00
Guillaume Maudoux 43331d6344 detail memory roots 2019-03-10 00:56:09 +01:00
Nick Van den Broeck 6542de98c2 Implemented writeRegistry 2019-03-07 12:00:10 +01:00
Nick Van den Broeck 9ff1a9ea65 Implemented json flag for nix flake info 2019-03-07 11:56:43 +01:00
volth fff8db205c
canBuildLocally: check for features 
It could happen that the local builder match the system but lacks some features.
Now it results a failure.
The fix gracefully excludes the local builder from the set of available builders for derivation which requires the feature, so the derivation is built on remote builders only (as though it has incompatible system, like ```aarch64-linux``` when local is x86)
 2019-03-06 05:03:25 +00:00
Will Dietz 0963479741
archive.cc: ignore more posix_fallocate "not supported" error codes 
Fixes w/musl.
 2019-03-01 10:31:17 +08:00
Nick Van den Broeck cfb6ab80ce Implemented "nix flake info" 2019-02-26 13:12:51 +01:00
Dzmitry Zaitsau 06d6335987 fix indentation 2019-02-26 11:07:37 +01:00
Dzmitry Zaitsau ac200c3678 Apply param values on S3Helper initialization 2019-02-25 18:06:19 +01:00
Dzmitry Zaitsau 56c18c67d9 Extend S3 URL parsing with parameters extraction 2019-02-25 18:00:55 +01:00
Dzmitry Zaitsau 07f992a74b Extract and expose splitUriAndParams function 
which splits a URL into localtor and parameter parts
 2019-02-25 17:59:26 +01:00
Eelco Dolstra d342de02b9
fetchFlake: Use infinite TTL when the revision is specified 2019-02-25 23:23:45 +08:00
Eelco Dolstra 529add316c
downloadCached: Return ETag 
This allows fetchFlake() to return the Git revision of a GitHub
archive.
 2019-02-25 23:20:50 +08:00
Eelco Dolstra d8fe447139
Merge pull request #2579 from catern/dumpdb 
nix-store: make --dump-db take a list of paths to dump
 2019-02-14 13:08:02 +01:00
Eelco Dolstra 6e9182fbc2
Add basic flake lock file support 2019-02-12 22:43:22 +01:00
Eelco Dolstra e38ec77de8
Interpret all file:// URIs as Git repositories 2019-02-12 22:06:19 +01:00
Eelco Dolstra beab05851b
nix: Add --flake flag 
This allows using an arbitrary "provides" attribute from the specified
flake. For example:

  nix build --flake nixpkgs packages.hello

(Maybe provides.packages should be used for consistency...)
 2019-02-12 21:55:43 +01:00
Eelco Dolstra 272b58220d
Enforce use of immutable flakes in pure mode 
... plus a temporary hack to allow impure flakes at top-level for the
default installation source.
 2019-02-12 21:07:48 +01:00
Eelco Dolstra ba05f29838
nix: Enable pure mode by default 
We want to encourage a brave new world of hermetic evaluation for
source-level reproducibility, so flakes should not poke around in the
filesystem outside of their explicit dependencies.

Note that the default installation source remains impure in that it
can refer to mutable flakes, so "nix build nixpkgs.hello" still works
(and fetches the latest nixpkgs, unless it has been pinned by the
user).

A problem with pure evaluation is that builtins.currentSystem is
unavailable. For the moment, I've hard-coded "x86_64-linux" in the
nixpkgs flake. Eventually, "system" should be a flake function
argument.
 2019-02-12 20:35:03 +01:00
Eelco Dolstra 91a6a47b0e
Improve flake references 2019-02-12 18:23:11 +01:00
Eelco Dolstra 7a7ec22298
Merge pull request #2628 from shlevy/context-introspection 
Context introspection
 2019-02-12 17:57:35 +01:00
Eelco Dolstra 0cd7f2cd8d
pkg-config files: Use c++17 2019-02-12 13:44:20 +01:00
Eelco Dolstra c8a0b9d5cb
experimental/optional -> optional 2019-02-12 13:43:32 +01:00
Eelco Dolstra 52419f8db3
Add flake registry 
This will eventually be moved to nixos.org.
 2019-02-11 13:01:39 +01:00
Eelco Dolstra dcae46ab14
Add github URIs 
For example, github:edolstra/dwarffs is more-or-less equivalent to
https://github.com/edolstra/dwarffs.git. It's a much faster way to get
GitHub repositories: it fetches tarballs rather than entire Git
repositories. It also allows fetching specific revisions by hash
without specifying a ref (e.g. a branch name):

  github:edolstra/dwarffs/41c0c1bf292ea3ac3858ff393b49ca1123dbd553
 2019-02-11 12:05:17 +01:00
Eelco Dolstra ef4cf4e681
Introduce flake URIs 2019-02-11 12:05:13 +01:00
Eelco Dolstra 7a5cf31060
Initial flake support 2019-02-11 12:00:13 +01:00
Eelco Dolstra f216c76c56
Bindings::get(): Add convenience method 
This allows writing attribute lookups as

    if (auto name = value.attrs->get(state.sName))
      ...
 2019-02-11 11:55:35 +01:00
Eelco Dolstra c02da99757
EvalState::allocAttr(): Add convenience method 2019-02-11 11:55:29 +01:00
Eelco Dolstra f70434b1fb
Move Command and MultiCommand to libutil 2019-02-11 11:55:25 +01:00
Eelco Dolstra 15a16e5c05
MultiCommand: Simplify construction 2019-02-11 11:55:22 +01:00