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2012-12-20 nix-store -q --roots: Respect the gc-keep-outputs/gc-keep-derivations settingsEelco Dolstra9-25/+64
So if a path is not garbage solely because it's reachable from a root due to the gc-keep-outputs or gc-keep-derivations settings, ‘nix-store -q --roots’ now shows that root.
2012-12-20 Yet another rewrite of the garbage collectorEelco Dolstra2-131/+138
But this time it's *obviously* correct! No more segfaults due to infinite recursions for sure, etc. Also, move directories to /nix/store/trash instead of renaming them to /nix/store/bla-gc-<pid>. Then we can just delete /nix/store/trash at the end.
2012-12-19 If gc-keep-derivations is set, only keep the actual deriverEelco Dolstra1-1/+1
This prevents zillions of derivations from being kept, and fixes an infinite recursion in the garbage collector (due to an obscure cycle that can occur with fixed-output derivations).
2012-12-19 Kill the build hook rather than shutting it down cleanlyEelco Dolstra1-7/+1
Waiting for the hook to shut down cleanly sometimes seems to lead to hangs.
2012-12-18 Revert brain fartEelco Dolstra1-2/+0
This reverts commit cc511fd65b7b6de9e87e72fb4bed16fc7efeb8b7.
2012-12-18 Check for potential infinite select() loops when buildingEelco Dolstra1-0/+2
2012-12-13 fix use-after-free bug in mkString(Value&, Symbol&)Stuart Pernsteiner1-1/+1
2012-12-12 Allow setting the profile location using $NIX_PROFILEEelco Dolstra1-0/+3
Fixes #69.
2012-12-11 On SQLITE_BUSY, wait a random amount of timeEelco Dolstra2-1/+7
If all contending processes wait a fixed amount of time (100 ms), there is a good probability that they'll just collide again.
2012-12-04 Tiny optimisation in the filter primopEelco Dolstra1-2/+9
2012-12-04 nix-env: Install all outputs of a derivationEelco Dolstra1-10/+25
If you explicitly install a package, presumably you want all of it. So symlink all outputs in the user environment.
2012-12-03 Fix the ‘--prebuilt-only’ flagEelco Dolstra1-8/+11
2012-12-03 WhitespaceEelco Dolstra3-60/+58
2012-11-28 nix-env -q --out-path: Support multiple outputsEelco Dolstra5-45/+94
We now print all output paths of a package, e.g. openssl-1.0.0i bin=/nix/store/gq2mvh0wb9l90djvsagln3aqywqmr6vl-openssl-1.0.0i-bin;man=/nix/store/7zwf5r5hsdarl3n86dasvb4chm2xzw9n-openssl-1.0.0i-man;/nix/store/cj7xvk7fjp9q887359j75pw3pzjfmqf1-openssl-1.0.0i or (in XML mode) <item attrPath="openssl" name="openssl-1.0.0i" system="x86_64-linux"> <output name="bin" path="/nix/store/gq2mvh0wb9l90djvsagln3aqywqmr6vl-openssl-1.0.0i-bin" /> <output name="man" path="/nix/store/7zwf5r5hsdarl3n86dasvb4chm2xzw9n-openssl-1.0.0i-man" /> <output name="out" path="/nix/store/cj7xvk7fjp9q887359j75pw3pzjfmqf1-openssl-1.0.0i" /> </item>
2012-11-27 Optionally ignore null-valued derivation attributesEelco Dolstra3-11/+24
This allows adding attributes like attr = if stdenv.system == "bla" then something else null; without changing the resulting derivation on non-<bla> platforms. We once considered adding a special "ignore" value for this purpose, but using null seems more elegant.
2012-11-27 Add builtin constants ‘langVersion’ and ‘nixVersion’Eelco Dolstra6-2/+18
The integer constant ‘langVersion’ denotes the current language version. It gets increased every time a language feature is added/changed/removed. It's currently 1. The string constant ‘nixVersion’ contains the current Nix version, e.g. "1.2pre2980_9de6bc5".
2012-11-26 queryMissing(): Handle partially valid derivationsEelco Dolstra1-5/+6
2012-11-26 nix-instantiate: Fix read-only evaluationEelco Dolstra5-10/+17
2012-11-26 Only substitute wanted outputs of a derivationEelco Dolstra4-21/+77
If a derivation has multiple outputs, then we only want to download those outputs that are actuallty needed. So if we do "nix-build -A openssl.man", then only the "man" output should be downloaded. Likewise if another package depends on ${openssl.man}. The tricky part is that different derivations can depend on different outputs of a given derivation, so we may need to restart the corresponding derivation goal if that happens.
2012-11-26 Make "nix-build -A <derivation>.<output>" do the right thingEelco Dolstra8-14/+82
For example, given a derivation with outputs "out", "man" and "bin": $ nix-build -A pkg produces ./result pointing to the "out" output; $ nix-build -A pkg.man produces ./result-man pointing to the "man" output; $ nix-build -A pkg.all produces ./result, ./result-man and ./result-bin; $ nix-build -A pkg.all -A pkg2 produces ./result, ./result-man, ./result-bin and ./result-2.
2012-11-20 nix-store -r: Add ‘--ignore-unknown’ flagEelco Dolstra3-9/+36
This flag causes paths that do not have a known substitute to be quietly ignored. This is mostly useful for Charon, allowing it to speed up deployment by letting a machine use substitutes for all substitutable paths, instead of uploading them. The latter is frequently faster, e.g. if the target machine has a fast Internet connection while the source machine is on a slow ADSL line.
2012-11-19 nix-store -r: Don't quietly ignore missing pathsEelco Dolstra1-0/+1
2012-11-15 Revert "prim_toPath: Actually make the string a path"Eelco Dolstra1-3/+1
This reverts commit 2980d1fba97069805c3649c5d99d0356bce6c303. It causes a regression in NixOS evaluation: string `/nix/store/ya3s5gmj3b28170fpbjhgsk8wzymkpa1-pommed-1.39/etc/pommed.conf' cannot refer to other paths
2012-11-15 Disable use of vfork()Eelco Dolstra1-1/+1
vfork() is just too weird. For instance, in this build: http://hydra.nixos.org/build/3330487 the value fromHook.writeSide becomes corrupted in the parent, even though the child only reads from it. At -O0 the problem goes away. Probably the child is overriding some spilled temporary variable. If I get bored I may implement using posix_spawn() instead.
2012-11-15 Don't use std::cerr in a few placesEelco Dolstra5-30/+34
Slightly scared of using std::cerr in a vforked process...
2012-11-15 Add some debug codeEelco Dolstra1-1/+1
2012-11-09 Use vfork() instead of fork() if availableEelco Dolstra5-22/+47
Hopefully this reduces the chance of hitting ‘unable to fork: Cannot allocate memory’ errors. vfork() is used for everything except starting builders.
2012-11-09 Remove definition of non-existant functionEelco Dolstra1-2/+0
2012-11-09 Remove some redundant close() callsEelco Dolstra3-18/+8
They are unnecessary because we set the close-on-exec flag.
2012-11-09 Remove the quickExit functionEelco Dolstra4-18/+8
2012-11-09 Remove a Darwin hack that should no longer be neededEelco Dolstra1-7/+0
2012-11-09 Fix a segfault when auto-calling a "a@{...}" functionEelco Dolstra1-5/+5
Since the called function can return its argument attribute set (e.g. "a"), the latter should not be allocated on the stack. Reported by Shea.
2012-11-09 Don't start copy-from-other-stores if $NIX_OTHER_STORES is unsetEelco Dolstra1-1/+2
Slight optimisation.
2012-11-09 Remove unnecessary call to closeMostFDs()Eelco Dolstra1-1/+0
We have close-on-exec on all FDs now, and there is no security risk in passing open FDs to substituters anyway.
2012-11-06 canonicalizePathMetaData: Fall-back to utimes if lutimes fails due to ENOSYSShea Levy1-0/+2
2012-10-23 If hashes do not match, print them in base-32 for SHA-1/SHA-256Eelco Dolstra3-1/+10
Fixes #57.
2012-10-23 prim_toPath: Actually make the string a pathShea Levy1-1/+3
2012-10-11 Shorten the names of temporary build directoriesEelco Dolstra1-1/+1
2012-10-04 getDerivation(): Don't always quietly ignore assertion failureEelco Dolstra5-21/+27
Ignoring assertion failures makes some sense for nix-env -qa, but not for nix-instantiate/nix-build or hydra-eval-jobs.
2012-10-04 XML writer: flush after newlinesEelco Dolstra1-4/+4
This is useful for hydra-eval-jobs.
2012-10-04 nix-store --verify: Continue on errorsEelco Dolstra1-2/+4
2012-10-04 Fix regular expressionEelco Dolstra1-1/+1
http://hydra.nixos.org/build/3123177
2012-10-03 Rename nix-worker to nix-daemonEelco Dolstra4-16/+19
2012-10-03 Drop support for running nix-worker in "slave" modeEelco Dolstra4-136/+7
AFAIK nobody uses this, setuid binaries are evil, and there is no good reason why people can't just run the daemon.
2012-10-03 Remove bin2cEelco Dolstra5-31/+4
2012-10-03 When ‘--help’ is given, just run ‘man’ to show the manual pageEelco Dolstra17-240/+23
I.e. do what git does. I'm too lazy to keep the builtin help text up to date :-) Also add ‘--help’ to various commands that lacked it (e.g. nix-collect-garbage).
2012-10-03 nix-env: Support ‘--repair’ flagEelco Dolstra3-5/+9
2012-10-03 Add a ‘--repair’ flag to nix-instantiateEelco Dolstra11-25/+36
This allows repairing corrupted derivations and other source files.
2012-10-03 Handle repairing paths that are in build-chroot-dirsEelco Dolstra1-0/+7
2012-10-03 When repairing a derivation, check and repair the entire output closureEelco Dolstra3-6/+91
If we find a corrupted path in the output closure, we rebuild the derivation that produced that particular path.