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2007-04-27 * Package conflict resolution through priority levels. If there is aEelco Dolstra3-20/+48
user environment collission between two packages due to overlapping file names, then a package with a higher priority will overwrite the symlinks of a package with a lower priority. E.g., $ nix-env --set-flag priority 5 gcc $ nix-env --set-flag priority 10 binutils gives gcc a higher priority than binutils (higher number = lower priority).
2007-04-27 * Allow conflicting packages to be kept in a user environment, andEelco Dolstra2-3/+11
allow switching between them (NIX-80). Example: two versions of Pan: $ nix-env -q pan pan-0.128 pan-0.14.2.91 $ readlink $(which pan) /nix/store/l38jrbilw269drpjkx7kinhrxj6fjh59-pan-0.14.2.91/bin/pan At most one of them can be active any given time. Assuming than 0.14.2.91 is active, you can active 0.128 as follows: $ nix-env --set-flag active false pan-0.14.2.91 $ nix-env --set-flag active true pan-0.128 $ readlink $(which pan) /nix/store/nziqwnlzy7xl385kglxhg75pfl5i936n-pan-0.128/bin/pan More flags to follow.
2007-04-26 * nix-env -q now has a flag --prebuilt-only (-b<) that causes nix-envEelco Dolstra3-6/+25
to show only those derivations whose output is already in the Nix store or that can be substituted (i.e., downloaded from somewhere). In other words, it shows the packages that can be installed “quickly”, i.e., don’t need to be built from source.
2007-04-16 * Updated dependency information.Eelco Dolstra1-9/+10
2007-04-16 * New primop "throw <string>" to throw an error. This is like abort,Eelco Dolstra3-0/+13
only thrown errors are caught by the top-level derivation evaluation in nix-env -qa / -i.
2007-04-16 * Remove a warning.Eelco Dolstra1-1/+1
2007-04-16 * It seems that svnversion prints a carriage return on Cygwin, so weEelco Dolstra1-2/+2
get a invalid #define VERSION. Use "svnversion -n" to leave out the newline. Fix provided by Marc Weber.
2007-03-30 * Work around a bug in Apple's GCC preprocessor.Eelco Dolstra3-4/+5
2007-03-30 * Make the maximum patch size configurable.Eelco Dolstra1-3/+9
2007-03-28 * Handle ECONNRESET from the client. Also, don't abort() if there areEelco Dolstra1-4/+9
unexpected conditions in the SIGPOLL handler, since that messes up the Berkeley DB environment (which a client must never be able to trigger).
2007-03-27 * Forgot a @bindir@.Eelco Dolstra1-1/+1
2007-03-26 * `nix-copy-closure --from': copy from a remote machine instead of toEelco Dolstra2-12/+67
a remote machine.
2007-03-26 * Refactoring.Eelco Dolstra1-35/+53
2007-03-21 * Fix URL/description.Eelco Dolstra1-2/+7
2007-03-20 * Override the setuid helper using NIX_SETUID_HELPER.Eelco Dolstra2-3/+5
2007-03-20 * Scan /proc/sys/kernel/modprobe for roots to prevent the kernelEelco Dolstra1-0/+17
modules for the running kernel from being garbage-collected. Idem for /proc/sys/kernel/fbsplash.
2007-03-19 * Terminate build hooks and substitutes with a TERM signal, not a KILLEelco Dolstra3-10/+27
signal. This is necessary because those processes may have joined the BDB environment, so they have to be given a chance to clean up. (NIX-85)
2007-03-19 * Undocumented option `gc-check-reachability' to allow reachabilityEelco Dolstra1-7/+9
checking to be turned off on machines with way too many roots.
2007-03-13 * Remove old generations in all directories underEelco Dolstra1-6/+15
/nix/var/nix/profiles, not just in that directory itself. (NixOS puts profiles in /nix/var/nix/profiles/per-user.)
2007-03-07 * Delete the output paths before invoking the build hook.Eelco Dolstra1-14/+14
2007-03-01 * Get rid of those stupid --login tricks, it's the responsibility ofEelco Dolstra1-2/+2
the remote system to make sure that Nix is in the $PATH.
2007-03-01 * sh -> bash.Eelco Dolstra1-2/+2
2007-03-01 * Look for the openssl program at compile time. If not found, callEelco Dolstra2-2/+6
openssl through $PATH at runtime.
2007-03-01 * Don't check the signature unless we have to.Eelco Dolstra1-21/+23
2007-02-27 * Doh! The deriver can be empty.Eelco Dolstra1-1/+2
2007-02-27 * Greatly reduced the amount of stack space used by the Nix expressionEelco Dolstra1-188/+274
evaluator. This was important because the NixOS expressions started to hit 2 MB default stack size on Linux. GCC is really dumb about stack space: it just adds up all the local variables and temporaries of every scope into one huge stack frame. This is really bad for deeply recursive functions. For instance, every `throw Error(format("error message"))' causes a format object of a few hundred bytes to be allocated on the stack. As a result, every recursive call to evalExpr2() consumed 4680 bytes. By splitting evalExpr2() and by moving the exception-throwing code out of the main functions, evalExpr2() now only consumes 40 bytes. Similar for evalExpr().
2007-02-27 * When NIX_SHOW_STATS=1, show the amount of stack space consumed byEelco Dolstra1-2/+10
the Nix expression evaluator.
2007-02-26 * Error message to stdout.Eelco Dolstra1-1/+1
2007-02-22 * Handle EINTR in select().Eelco Dolstra1-3/+3
2007-02-22 * /man -> /share/manEelco Dolstra1-1/+0
2007-02-22 * nix-copy-closure: force a login shell on the remote machine to makeEelco Dolstra1-3/+11
sure that nix-store is in the PATH. * nix-copy-closure: option --gzip to compress data.
2007-02-22 * nix-copy-closure: option --sign.Eelco Dolstra1-2/+20
* nix-copy-closure: set SSH options through NIX_SSHOPTS..
2007-02-21 * New command `nix-copy-closure' to copy a closure to a Nix store onEelco Dolstra2-1/+58
another machine through ssh. E.g., $ nix-copy-closure xyzzy $(which svn) copies the closure of Subversion to machine `xyzzy'. This is like `nix-pack-closure $(which svn) | ssh xyzzy', but it's much more efficient since it only copies those paths that are missing on the target machine.
2007-02-21 * Flush cout to show progress.Eelco Dolstra1-1/+1
2007-02-21 * Export/import many paths in one go.Eelco Dolstra1-3/+8
2007-02-21 * `nix-store -qR' and friends: print the paths sorted topologicallyEelco Dolstra3-40/+12
under the references relation. This is useful for commands that want to copy paths to another Nix store in the right order.
2007-02-21 * Flag `--print-invalid' in `nix-store --check-validity' to print outEelco Dolstra1-3/+14
which paths specified on the command line are invalid (i.e., don't barf when encountering an invalid path, just print it). This is useful for build-remote.pl to figure out which paths need to be copied to a remote machine. (Currently we use rsync, but that's rather inefficient.)
2007-02-21 * Check that the file containing the secret key is secret.Eelco Dolstra1-1/+14
2007-02-21 * `nix-store --import' now also works in remote mode. The workerEelco Dolstra4-9/+62
always requires a signature on the archive. This is to ensure that unprivileged users cannot add Trojan horses to the Nix store.
2007-02-21 * Support exportPath() in remote mode.Eelco Dolstra4-5/+42
2007-02-21 * importPath(): set the deriver.Eelco Dolstra1-3/+13
* exportPath(): lock the path, use a transaction.
2007-02-21 * `nix-store --import': import an archive created by `nix-storeEelco Dolstra8-10/+142
--export' into the Nix store, and optionally check the cryptographic signatures against /nix/etc/nix/signing-key.pub. (TODO: verify against a set of public keys.)
2007-02-21 * `nix-store --export --sign': sign the Nix archive using the RSA keyEelco Dolstra8-31/+124
in /nix/etc/nix/signing-key.sec
2007-02-21 * Don't use $SHELL.Eelco Dolstra3-10/+2
2007-02-20 * Start of `nix-store --export' operation for serialising a storeEelco Dolstra6-0/+50
path. This is like `nix-store --dump', only it also dumps the meta-information of the store path (references, deriver). Will add a `--sign' flag later to add a cryptographic signature, which we will use for exchanging store paths between build farm machines in a secure manner.
2007-02-20 * Temporary notes on how we're going to use OpenSSL.Eelco Dolstra1-0/+24
2007-02-20 * Close the file - just in case.Eelco Dolstra1-0/+3
2007-02-06 * Fix 64-bit compiler warnings.Eelco Dolstra2-4/+4
2007-02-05 * Compatibility with docbook5-xsl.Eelco Dolstra7-7/+8
2007-02-02 * nix-env now maintains meta info (from the `meta' derivationEelco Dolstra6-16/+105
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
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