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3231 commits

Author SHA1 Message Date
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 05c45f301d
readLink(): Handle symlinks in /proc 
Symlinks like /proc/self/exe report a stat() size of 0, so use a
buffer of at least PATH_MAX instead.
 2017-08-29 11:52:34 +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 cfc8132391
Don't send progress messages to older clients 2017-08-28 18:54:23 +02:00
Eelco Dolstra fe34b91289
Tunnel progress messages from the daemon to the client 
This makes the progress bar work for non-root users.
 2017-08-28 18:49:42 +02:00
Eelco Dolstra e681b1f064
Simplify 2017-08-28 14:30:35 +02:00
Eelco Dolstra 8fff3e7bb5
Make TunnelLogger thread-safe 
Now that we use threads in lots of places, it's possible for
TunnelLogger::log() to be called asynchronously from other threads
than the main loop. So we need to ensure that STDERR_NEXT messages
don't clobber other messages.
 2017-08-28 14:17:07 +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 a3015db6c3
Typo 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 1f56235438
Clean up JSON construction 2017-08-21 12:18:46 +02:00
Eelco Dolstra 4af2611bd1
Allow builders to create activities 
Actually, currently they can only create download activities. Thus,
downloads by builtins.fetchurl show up in the progress bar.
 2017-08-21 12:18:46 +02:00
Eelco Dolstra 4c6a26539c
Remove debug line 2017-08-21 12:18:46 +02:00
Eelco Dolstra 9400cb36b7
Disallow accidental copy construction 2017-08-21 12:18:42 +02:00
Andy Wingo 6bb4e3e8fe Remove unused decodeOctalEscaped 
Besides being unused, this function has a bug that it will incorrectly
decode the path component Ubuntu\04016.04.2\040LTS\040amd64 as
"Ubuntu.04.2 LTS amd64" instead of "Ubuntu 16.04.2 LTS amd64".
 2017-08-18 11:07:00 +02:00
Eelco Dolstra 2ee1b9359b Merge branch 'tokenize' of https://github.com/nbp/nix 2017-08-16 21:21:36 +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 e4bd42f98f
Disallow SSH host names starting with a dash 2017-08-16 20:55:58 +02:00
Nicolas B. Pierron b8867a0239 Add builtins.string function. 
The function 'builtins.split' takes a POSIX extended regular expression
and an arbitrary string. It returns a list of non-matching substring
interleaved by lists of matched groups of the regular expression.

```nix
with builtins;
assert split "(a)b" "abc"      == [ "" [ "a" ] "c" ];
assert split "([ac])" "abc"    == [ "" [ "a" ] "b" [ "c" ] "" ];
assert split "(a)|(c)" "abc"   == [ "" [ "a" null ] "b" [ null "c" ] "" ];
assert split "([[:upper:]]+)" "  FOO   "
                               == [ "  " [ "FOO" ] "   " ];
```
 2017-08-15 20:04:11 +00:00
Eelco Dolstra b6ee5e5bf0
Style fix 2017-08-10 13:51:07 +02:00
Eelco Dolstra af765a8eab
Use /proc/self/fd to efficiently close all FDs on Linux 
Issue #1506.
 2017-08-09 16:22:05 +02:00
Eelco Dolstra c6184dec6c
nix repl: Support printing floating-point numbers 2017-08-09 15:17:29 +02:00
Brian McKenna b39cc4fc81 Include missing <cstdlib> for abort() 
This is needed to get Nix compiled using Android NDK.
 2017-08-03 07:03:22 +10:00
Eelco Dolstra a2778988f2
Merge branch 'macOS' of https://github.com/davidak/nix 2017-07-31 10:31:51 +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
davidak fcb8d6a7a0 replace "OS X" with "macOS" 2017-07-30 12:28:50 +02:00
davidak 92bcb61127 replace "Mac OS X" with "macOS" 
except in older release notes where the name was actually Mac OS X.
 2017-07-30 12:26:17 +02:00
Eelco Dolstra c7654bc491
nix-build: Fix regression causing all outputs to be built 2017-07-28 15:17:52 +02:00
Eelco Dolstra af4689f9e9
nix-prefetch-url: Fix regression in hash printing 2017-07-28 14:56:39 +02:00