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2007-02-02* nix-env now maintains meta info (from the `meta' derivationEelco Dolstra
attribute) about installed packages in user environments. Thus, an operation like `nix-env -q --description' shows useful information not only on available packages but also on installed packages. * nix-env now passes the entire manifest as an argument to the Nix expression of the user environment builder (not just a list of paths), so that in particular the user environment builder has access to the meta attributes. * New operation `--set-flag' in nix-env to change meta info of installed packages. This will be useful to pass per-package policies to the user environment builder (e.g., how to resolve collision or whether to disable a package (NIX-80)) or upgrade policies in nix-env (e.g., that a package should be "masked", that is, left untouched by upgrade actions). Example: $ nix-env --set-flag enabled false ghc-6.4
2007-01-29* Doh!Eelco Dolstra
2007-01-29* computeStorePathForText: take the references into account whenEelco Dolstra
computing the store path (NIX-77). This is an important security property in multi-user Nix stores. Note that this changes the store paths of derivations (since the derivation aterms are added using addTextToStore), but not most outputs (unless they use builtins.toFile).
2007-01-29* Don't capitalise the primop functions.Eelco Dolstra
2007-01-29* Organise primops.cc a bit better.Eelco Dolstra
2007-01-29New primitives:Eelco Dolstra
* `sub' to subtract two numbers. * `stringLength' to get the length of a string. * `substring' to get a substring of a string. These should be enough to allow most string operations to be expressed.
2007-01-29* filterSource: pass strings to the predicate function instead ofEelco Dolstra
paths. Paths can have unexpected semantics.
2007-01-24* Nasty: Glibc clears the TMPDIR environment variable in setuidEelco Dolstra
programs, so if a builder uses TMPDIR, then it will fail when executed through nix-setuid-helper. In fact Glibc clears a whole bunch of variables (see sysdeps/generic/unsecvars.h in the Glibc sources), but only TMPDIR should matter in practice. As a workaround, we reinitialise TMPDIR from NIX_BUILD_TOP.
2007-01-23* exportReferencesGraph: work on paths within store paths as well.Eelco Dolstra
2007-01-23* New kind of manifest object: "localPath", which denotes that a storeEelco Dolstra
path can be created by copying it from another location in the file system. This is useful in the NixOS installation.
2007-01-23* Successors have been gone for ages.Eelco Dolstra
2007-01-22* nix-prefetch-url: change the default hash to SHA-256 (in base-32).Eelco Dolstra
2007-01-15* Handle multiple indirect symlinks when loading a Nix expression.Eelco Dolstra
2007-01-15* builtins.filterSource: pass the type of the file ("regular",Eelco Dolstra
"directory", "symlink") as the second argument to the filter predicate.
2007-01-14* `nix-store --verify': revive checking the referrers table. This isEelco Dolstra
important to get garbage collection to work if there is any inconsistency in the database (because the referrer table is used to determine whether it is safe to delete a path). * `nix-store --verify': show some progress.
2007-01-14* Make the garbage collector more resilient to certain consistencyEelco Dolstra
errors: in-use paths now cause a warning, not a fatal error.
2007-01-14* Don't forget the .flags files.Eelco Dolstra
2007-01-14* Option --argstr for passing string arguments easily. (NIX-75)Eelco Dolstra
2007-01-14* Doh.Eelco Dolstra
2007-01-13* nix-pack-closure: store the top-level store paths in the closure.Eelco Dolstra
* nix-unpack-closure: extract the top-level paths from the closure and print them on stdout. This allows them to be installed, e.g., "nix-env -i $(nix-unpack-closure)". (NIX-64)
2007-01-13* Allow multiple --attr / -A arguments in nix-build / nix-instantiateEelco Dolstra
(NIX-74).
2007-01-13* Removed chroot support.Eelco Dolstra
2007-01-13* Canonicalise ASTs in `nix-instantiate --eval': remove positionEelco Dolstra
info, sort attribute sets.
2007-01-13* Memoize strict evaluation.Eelco Dolstra
2007-01-13* printTermAsXML: treat derivations specially; emit an elementEelco Dolstra
<derivation outPath=... drvPath=...> attrs </derivation>. Only emit the attributes of any specific derivation only. This prevents exponententially large XML output due to the absense of sharing.
2007-01-13* Make printing an expression as XML interruptible.Eelco Dolstra
2007-01-13* Cleanup.Eelco Dolstra
2007-01-11(no commit message)Eelco Dolstra
2007-01-11* Install generate-patches into libexec.Eelco Dolstra
2007-01-08* Reject patches that are larger than a certain fraction of the full archiveEelco Dolstra
(currently 60%). Large patches aren't very economical.
2007-01-08* Huge speedup in patch propagation (20 minutes or so to 3 seconds).Eelco Dolstra
2006-12-29* Another great success.Eelco Dolstra
2006-12-29* Testing 1 2 3.Eelco Dolstra
2006-12-15* Handle weird cases when the server redirects us while setting a cookie.Eelco Dolstra
2006-12-13* Remove debug message.Eelco Dolstra
2006-12-12* New primop builtins.filterSource, which can be used to filter filesEelco Dolstra
from a source directory. All files for which a predicate function returns true are copied to the store. Typical example is to leave out the .svn directory: stdenv.mkDerivation { ... src = builtins.filterSource (path: baseNameOf (toString path) != ".svn") ./source-dir; # as opposed to # src = ./source-dir; } This is important because the .svn directory influences the hash in a rather unpredictable and variable way.
2006-12-12* In dumpPath(): pass a function object that allows files to beEelco Dolstra
selectively in/excluded from the dump.
2006-12-12* Push.Eelco Dolstra
2006-12-12* New operation `nix-env --set' which sets a user environment to aEelco Dolstra
single derivation specified by the argument. This is useful when we want to have a profile for a single derivation, such as a server configuration. Then we can just say (e.g.) $ nix-env -p /.../server-profile -f server.nix --set -A server We can't do queries or upgrades on such a profile, but we can do rollbacks. The advantage over -i is that we don't have to worry about other packages having been installed in the profile previously; --set gets rid of them.
2006-12-12* New built-in function `builtins.attrNames' that returns theEelco Dolstra
names of the attributes in an attribute set.
2006-12-09(no commit message)Eelco Dolstra
2006-12-09* Use lchown() instead of chown() in canonicalisePathMetaData(). ThisEelco Dolstra
matters when running as root, since then we don't use the setuid helper (which already used lchown()). * Also check for an obscure security problem on platforms that don't have lchown. Then we can't change the ownership of symlinks, which doesn't matter *except* when the containing directory is writable by the owner (which is the case with the top-level Nix store directory).
2006-12-09* Use deletePathWrapped() in more places.Eelco Dolstra
2006-12-08* Goal cancellation inside the waitForInput() loop needs to be handledEelco Dolstra
very carefully, since it can invalidate iterators into the `children' map.
2006-12-08* Some refactoring.Eelco Dolstra
* Throw more exceptions as BuildErrors instead of Errors. This matters when --keep-going is turned on. (A BuildError is caught and terminates the goal in question, an Error terminates the program.)
2006-12-08* Kill a build if it has gone for more than a certain number ofEelco Dolstra
seconds without producing output on stdout or stderr (NIX-65). This timeout can be specified using the `--max-silent-time' option or the `build-max-silent-time' configuration setting. The default is infinity (0). * Fix a tricky race condition: if we kill the build user before the child has done its setuid() to the build user uid, then it won't be killed, and we'll potentially lock up in pid.wait(). So also send a conventional kill to the child.
2006-12-08* Also for convenience, change the ownership of the build output evenEelco Dolstra
in case of failure.
2006-12-07* Remove ancient terminology.Eelco Dolstra
2006-12-07* When keeping the temporary build directory (-K), change the ownerEelco Dolstra
back to the Nix account.
2006-12-07* Doh!Eelco Dolstra