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Author SHA1 Message Date
Eelco Dolstra fc0ded3408
nix why-depends: Add option to show all edges causing a dependency 
For example, without --all:

  $ nix why-depends nixpkgs.nixUnstable nixpkgs.libssh2
  /nix/store/s9n5gvj2l49b4n19nz6xl832654nf7n7-nix-1.12pre5511_c94f3d55
  └───lib/libnixstore.so: …/lib:/nix/store/w9ykqpl5v0r3vfwsgn408jqhs72cx96x-curl-7.55.0/lib…
      => /nix/store/w9ykqpl5v0r3vfwsgn408jqhs72cx96x-curl-7.55.0
      └───lib/libcurl.la: …ib -L/nix/store/4mbayl1y5hpjbjzkx8ndyhkv98kqw1wi-libssh2-1.8.0/l…
          => /nix/store/4mbayl1y5hpjbjzkx8ndyhkv98kqw1wi-libssh2-1.8.0

but with --all:

  $ nix why-depends -a nixpkgs.nixUnstable nixpkgs.libssh2
  /nix/store/s9n5gvj2l49b4n19nz6xl832654nf7n7-nix-1.12pre5511_c94f3d55
  ├───lib/libnixstore.so: …/lib:/nix/store/w9ykqpl5v0r3vfwsgn408jqhs72cx96x-curl-7.55.0/lib…
  │   => /nix/store/w9ykqpl5v0r3vfwsgn408jqhs72cx96x-curl-7.55.0
  │   └───lib/libcurl.la: …ib -L/nix/store/4mbayl1y5hpjbjzkx8ndyhkv98kqw1wi-libssh2-1.8.0/l…
  │       lib/libcurl.so.4.4.0: …/lib:/nix/store/4mbayl1y5hpjbjzkx8ndyhkv98kqw1wi-libssh2-1.8.0/l…
  │       => /nix/store/4mbayl1y5hpjbjzkx8ndyhkv98kqw1wi-libssh2-1.8.0
  └───lib/libnixstore.so: …/lib:/nix/store/bx2i9vi76lps6w9rr73fxf6my31s4dg5-aws-sdk-cpp-1.0…
      => /nix/store/bx2i9vi76lps6w9rr73fxf6my31s4dg5-aws-sdk-cpp-1.0.153
      └───lib/libaws-cpp-sdk-core.so: …e.so./nix/store/w9ykqpl5v0r3vfwsgn408jqhs72cx96x-curl-7.55.0/lib…
          lib/libaws-cpp-sdk-s3.so: …/lib:/nix/store/w9ykqpl5v0r3vfwsgn408jqhs72cx96x-curl-7.55.0/lib…
          => /nix/store/w9ykqpl5v0r3vfwsgn408jqhs72cx96x-curl-7.55.0
 2017-09-11 16:21:27 +02:00
Eelco Dolstra d41c5eb13f Add command "nix why-depends" 
This command shows why a package has another package in its runtime
closure. For example, to see why VLC has libdrm.dev in its closure:

  $ nix why-depends nixpkgs.vlc nixpkgs.libdrm.dev
  /nix/store/g901z9pcj0n5yy5n6ykxk3qm4ina1d6z-vlc-2.2.5.1:
    lib/libvlccore.so.8.0.0: …nfig:/nix/store/405lmx6jl8lp0ad1vrr6j498chrqhz8g-libdrm-2.4.75-d…

  /nix/store/s3nm7kd8hlcg0facn2q1ff2n7wrwdi2l-mesa-noglu-17.0.7-dev:
    nix-support/propagated-native-build-inputs: …-dev /nix/store/405lmx6jl8lp0ad1vrr6j498chrqhz8g-libdrm-2.4.75-d…

Thus, VLC's lib/libvlccore.so.8.0.0 as well as mesa-noglu's
nix-support/propagated-native-build-inputs cause the dependency.
 2017-09-10 22:40:33 +02:00
Eelco Dolstra 8af704eef1 Typo 2017-09-10 22:40:33 +02:00
Eelco Dolstra ad228d84e5 nix build: Only download the requested derivation outputs 
Also some refactoring.
 2017-09-10 22:40:33 +02:00
Eelco Dolstra e02edb1483
nix copy: Add --substitute flag 2017-09-08 15:32:07 +02:00
Eelco Dolstra 3cf1705583
nix copy: Don't open the --from store twice 2017-09-08 14:46:55 +02:00
Eelco Dolstra a2740c9ca2 nix copy: Add examples 2017-09-08 11:33:46 +02:00
Eelco Dolstra 24e23a1a73 nix search: Add examples 2017-09-07 20:42:11 +02:00
Eelco Dolstra 4967f0509a nix eval: Add examples 2017-09-07 20:37:46 +02:00
Eelco Dolstra 2ebeffcfd4 nix log: Add examples 2017-09-07 20:18:29 +02:00
Eelco Dolstra 17afc42895 nix build: Add examples 2017-09-07 20:14:04 +02:00
Eelco Dolstra 2e9b7c4cb2 nix run: Add some examples 2017-09-07 20:09:04 +02:00
Eelco Dolstra dff440aab3
nix build: Add --out-link and --no-link options 2017-09-06 16:20:34 +02:00
Eelco Dolstra df4342bc17
nix build: Create result symlinks 2017-09-06 16:03:22 +02:00
Eelco Dolstra 7a108d904e
Fix verbosity level for nix build --dry-run 2017-09-01 12:37:09 +02:00
Eelco Dolstra fd73c1e20a
Add an activity for binary cache queries 2017-08-31 15:25:58 +02:00
Eelco Dolstra 7d4a7136db
More macOS build fixes 2017-08-31 12:52:07 +02:00
Eelco Dolstra fabde432dc
Fix build failure on non-Linux 
https://hydra.nixos.org/build/59649086
 2017-08-31 11:05:18 +02:00
Eelco Dolstra e9c07a3b26
nix edit / log: Operate on a single Installable 2017-08-29 16:18:00 +02:00
Eelco Dolstra 9b82ecbae0
nix search: Warn about cached results 2017-08-29 15:22:05 +02:00
Eelco Dolstra c8235c5313
nix run: Flush the progress bar before starting the command 2017-08-29 15:13:30 +02:00
Eelco Dolstra 05d68a6e23
nix run: Add some flags for clearing/keeping the environment 
This is useful for testing commands in isolation.

For example,

  $ nix run nixpkgs.geeqie -i -k DISPLAY -k XAUTHORITY -c geeqie

runs geeqie in an empty environment, except for $DISPLAY and
$XAUTHORITY.
 2017-08-29 15:00:08 +02:00
Eelco Dolstra 5cc8609e30
nix run: Allow passing a command to execute 
E.g.

  nix run nixpkgs.hello -c hello --greeting Hallo

Note that unlike "nix-shell --command", no quoting of arguments is
necessary.

"-c" (short for "--command") cannot be combined with "--" because they
both consume all remaining arguments. But since installables shouldn't
start with a dash, this is unlikely to cause problems.
 2017-08-29 14:42:48 +02:00
Eelco Dolstra 93a5ef0516
nix run: Fix chroot execution 
Running "nix run" with a diverted store, e.g.

  $ nix run --store local?root=/tmp/nix nixpkgs.hello

stopped working when Nix became multithreaded, because
unshare(CLONE_NEWUSER) doesn't work in multithreaded processes. The
obvious solution is to terminate all other threads first, but 1) there
is no way to terminate Boehm GC marker threads; and 2) it appears that
the kernel has a race where unshare(CLONE_NEWUSER) will still fail for
some indeterminate amount of time after joining other threads.

So instead, "nix run" will now exec() a single-threaded helper ("nix
__run_in_chroot") that performs the actual unshare()/chroot()/exec().
 2017-08-29 13:21:07 +02:00
Eelco Dolstra 1c58e13bee
Hide commands that don't have a description 
These are assumed to be internal.
 2017-08-29 11:52:55 +02:00
Eelco Dolstra 2cc345b95f
Give activities a verbosity level again 
And print them (separately from the progress bar) given sufficient -v
flags.
 2017-08-28 19:13:24 +02:00
Eelco Dolstra e681b1f064
Simplify 2017-08-28 14:30:35 +02:00
Eelco Dolstra 94a0548dc4
Simplify 2017-08-25 21:26:37 +02:00
Eelco Dolstra 9b845e6936
Doh 2017-08-25 20:52:34 +02:00
Eelco Dolstra 0ac35b67b8
Allow derivations to update the build phase 
So the progress bar can show

  [1/0/1 built, 0.0 MiB DL] building hello-2.10 (configuring): checking whether pread is declared without a macro... yes
 2017-08-25 18:04:05 +02:00
Eelco Dolstra c137c0a5eb
Allow activities to be nested 
In particular, this allows more relevant activities ("substituting X")
to supersede inferior ones ("downloading X").
 2017-08-25 17:49:40 +02:00
Eelco Dolstra f194629f96
Fix Debian build 
https://hydra.nixos.org/build/59390148
 2017-08-25 16:11:18 +02:00
Eelco Dolstra db1d45037c
Handle SIGWINCH 2017-08-25 15:59:03 +02:00
Eelco Dolstra ec9e0c03c3
When truncating the progress bar, take ANSI escape sequences into account 2017-08-25 15:59:03 +02:00
Eelco Dolstra 0e9ddcc306
Restore activity metadata 
This allows the progress bar to display "building perl-5.22.3" instead
of "building /nix/store/<hash>-perl-5.22.3.drv".
 2017-08-25 15:58:35 +02:00
Eelco Dolstra 4c6a26539c
Remove debug line 2017-08-21 12:18:46 +02:00
Eelco Dolstra c2cab20732
nix verify: Restore the progress indicator 2017-08-16 20:56:03 +02:00
Eelco Dolstra b4ed97e3a3
nix optimise-store: Show how much space has been freed 2017-08-16 20:56:03 +02:00
Eelco Dolstra 23b8b7e096
nix optimise-store: Add 
This replaces "nix-store --optimise". Main difference is that it has a
progress indicator.
 2017-08-16 20:56:03 +02:00
Eelco Dolstra 40bffe0a43
Progress indicator: Cleanup 2017-08-16 20:56:03 +02:00
Eelco Dolstra dff12b38f9
Progress indicator: More improvements 2017-08-16 20:56:03 +02:00
Eelco Dolstra bf1f123b09
Progress indicator: Show number of active items 2017-08-16 20:56:03 +02:00
Eelco Dolstra 0e0dcf2c7e
Progress indicator: Unify "copying" and "substituting" 
They're the same thing after all.

Example:

  $ nix build --store local?root=/tmp/nix nixpkgs.firefox-unwrapped
  [0/1 built, 49/98 copied, 16.3/92.8 MiB DL, 55.8/309.2 MiB copied] downloading 'https://cache.nixos.org/nar/0pl9li1jigcj2dany47hpmn0r3r48wc4nz48v5mqhh426lgz3bz6.nar.xz'
 2017-08-16 20:56:03 +02:00
Eelco Dolstra c36467ad2e
Improve substitution progress indicator 
E.g.

  $ nix build --store local?root=/tmp/nix nixpkgs.firefox-unwrapped
  [0/1 built, 1/97/98 fetched, 65.8/92.8 MiB DL, 203.2/309.2 MiB copied] downloading 'https://cache.nixos.org/nar/1czm9fk0svacy4h6a3fzkpafi4f7a9gml36kk8cq1igaghbspg3k.nar.xz'
 2017-08-16 20:56:02 +02:00
Eelco Dolstra b29b6feaba
nix copy: Improve progress indicator 
It now shows the amount of data copied:

  [8/1038 copied, 160.4/1590.9 MiB copied] copying path '...'
 2017-08-16 20:56:02 +02:00
Eelco Dolstra c5e4404580
nix copy: Revive progress bar 2017-08-16 20:56:02 +02:00
Eelco Dolstra dffc3fe43b
nix copy: Add --no-check-sigs flag 2017-08-16 20:56:02 +02:00
Eelco Dolstra c6184dec6c
nix repl: Support printing floating-point numbers 2017-08-09 15:17:29 +02:00
Jörg Thalheim 2fd8f8bb99 Replace Unicode quotes in user-facing strings by ASCII 
Relevant RFC: NixOS/rfcs#4

$ ag -l | xargs sed -i -e "/\"/s/’/'/g;/\"/s/‘/'/g"
 2017-07-30 12:32:45 +01:00
Eelco Dolstra 57b9505731
nix search: Add a cache 
The package list is now cached in
~/.cache/nix/package-search.json. This gives a substantial speedup to
"nix search" queries. For example (on an SSD):

First run: (no package search cache, cold page cache)

  $ time nix search blender
  Attribute name: nixpkgs.blender
  Package name: blender
  Version: 2.78c
  Description: 3D Creation/Animation/Publishing System

  real    0m6.516s

Second run: (package search cache populated)

  $ time nix search blender
  Attribute name: nixpkgs.blender
  Package name: blender
  Version: 2.78c
  Description: 3D Creation/Animation/Publishing System

  real    0m0.143s
 2017-07-26 17:29:10 +02:00