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* Refactoring: Get rid of a few subdirectories in corepkgs/, and some

Browse source 
other simplifications.
* Use <nix/...> to locate the corepkgs.  This allows them to be
  overriden through $NIX_PATH.
* Use bash's pipefail option in the NAR builder so that we don't need
  to create a temporary file.
This commit is contained in:
Eelco Dolstra 2012-01-03 00:16:29 +00:00
parent 93e71e6ab6
commit 48cea0d01e
15 changed files with 52 additions and 84 deletions
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12
corepkgs/Makefile.am
View file

@ -1 +1,11 @@
SUBDIRS = nar buildenv channels
SUBDIRS = channels
all-local: config.nix
install-exec-local:
$(INSTALL) -d $(DESTDIR)$(datadir)/nix/corepkgs
$(INSTALL_DATA) config.nix $(srcdir)/nar.nix $(srcdir)/buildenv.nix $(srcdir)/buildenv.pl $(DESTDIR)$(datadir)/nix/corepkgs
include ../substitute.mk
EXTRA_DIST = config.nix.in nar.nix buildenv.nix buildenv.pl

7
corepkgs/buildenv/default.nix → corepkgs/buildenv.nix
View file

@ -1,9 +1,12 @@
{system, derivations, manifest}:
with import <nix/config.nix>;
{ system, derivations, manifest }:
derivation {
name = "user-environment";
system = system;
builder = ./builder.pl;
builder = perl;
args = [ "-w" ./buildenv.pl ];
manifest = manifest;

2
corepkgs/buildenv/builder.pl.in → corepkgs/buildenv.pl Executable file → Normal file
View file

@ -1,5 +1,3 @@
#! @perl@ -w
use strict;
use Cwd;
use IO::Handle;

11
corepkgs/buildenv/Makefile.am
View file

@ -1,11 +0,0 @@
all-local: builder.pl
install-exec-local:
$(INSTALL) -d $(DESTDIR)$(datadir)/nix/corepkgs
$(INSTALL) -d $(DESTDIR)$(datadir)/nix/corepkgs/buildenv
$(INSTALL_DATA) $(srcdir)/default.nix $(DESTDIR)$(datadir)/nix/corepkgs/buildenv
$(INSTALL_PROGRAM) builder.pl $(DESTDIR)$(datadir)/nix/corepkgs/buildenv
include ../../substitute.mk
EXTRA_DIST = default.nix builder.pl.in

30
corepkgs/nar.nix Normal file
View file

@ -0,0 +1,30 @@
with import <nix/config.nix>;
let
builder = builtins.toFile "nar.sh"
''
export PATH=${nixBinDir}:${coreutils}
echo "packing ‘$storePath’..."
mkdir $out
dst=$out/tmp.nar.bz2
set -o pipefail
nix-store --dump "$storePath" | ${bzip2} > $dst
nix-hash --flat --type $hashAlgo --base32 $dst > $out/narbz2-hash
mv $out/tmp.nar.bz2 $out/$(cat $out/narbz2-hash).nar.bz2
'';
in
{ system, storePath, hashAlgo }:
derivation {
name = "nar";
builder = shell;
args = [ "-e" builder ];
inherit system storePath hashAlgo;
}

11
corepkgs/nar/Makefile.am
View file

@ -1,11 +0,0 @@
all-local: nar.sh
install-exec-local:
$(INSTALL) -d $(DESTDIR)$(datadir)/nix/corepkgs
$(INSTALL) -d $(DESTDIR)$(datadir)/nix/corepkgs/nar
$(INSTALL_DATA) $(srcdir)/nar.nix $(DESTDIR)$(datadir)/nix/corepkgs/nar
$(INSTALL_PROGRAM) nar.sh $(DESTDIR)$(datadir)/nix/corepkgs/nar
include ../../substitute.mk
EXTRA_DIST = nar.nix nar.sh.in

7
corepkgs/nar/nar.nix
View file

@ -1,7 +0,0 @@
{ system, storePath, hashAlgo }:
derivation {
name = "nar";
builder = ./nar.sh;
inherit system storePath hashAlgo;
}

12
corepkgs/nar/nar.sh.in
View file

@ -1,12 +0,0 @@
#! @shell@ -e
echo "packing $storePath into $out..."
@coreutils@/mkdir $out
dst=$out/tmp.nar.bz2
@bindir@/nix-store --dump "$storePath" > tmp
@bzip2@ < tmp > $dst
@bindir@/nix-hash --flat --type $hashAlgo --base32 $dst > $out/narbz2-hash
@coreutils@/mv $out/tmp.nar.bz2 $out/$(@coreutils@/cat $out/narbz2-hash).nar.bz2

5
scripts/nix-push.in
View file

@ -20,9 +20,6 @@ $curl = "$curl $extraCurlFlags" if defined $extraCurlFlags;
my $binDir = $ENV{"NIX_BIN_DIR"} || "@bindir@";
my $dataDir = $ENV{"NIX_DATA_DIR"};
$dataDir = "@datadir@" unless defined $dataDir;
# Parse the command line.
my $localCopy;
@ -107,7 +104,7 @@ foreach my $storePath (@storePaths) {
# Construct a Nix expression that creates a Nix archive.
my $nixexpr =
"((import $dataDir/nix/corepkgs/nar/nar.nix) " .
"(import <nix/nar.nix> " .
"{ storePath = builtins.storePath \"$storePath\"; system = \"@system@\"; hashAlgo = \"$hashAlgo\"; }) ";
print NIX $nixexpr;

2
src/nix-env/user-env.cc
View file

@ -112,7 +112,7 @@ bool createUserEnv(EvalState & state, DrvInfos & elems,
/* Get the environment builder expression. */
Value envBuilder;
state.evalFile(nixDataDir + "/nix/corepkgs/buildenv", envBuilder);
state.evalFile(state.findFile("nix/buildenv.nix"), envBuilder);
/* Construct a Nix expression that calls the user environment
builder with the manifest as argument. */

7
tests/common.sh.in
View file

@ -9,7 +9,6 @@ if ! NIX_STORE_DIR=$(readlink -f $TEST_ROOT/store 2> /dev/null); then
export NIX_IGNORE_SYMLINK_STORE=1
NIX_STORE_DIR=$TEST_ROOT/store
fi
export NIX_DATA_DIR=$TEST_ROOT/data
export NIX_LOCALSTATE_DIR=$TEST_ROOT/var
export NIX_LOG_DIR=$TEST_ROOT/var/log/nix
export NIX_STATE_DIR=$TEST_ROOT/var/nix
@ -19,15 +18,11 @@ export NIX_BIN_DIR=$TEST_ROOT/bin
export NIX_LIBEXEC_DIR=$TEST_ROOT/bin
export NIX_MANIFESTS_DIR=$TEST_ROOT/var/nix/manifests
export NIX_ROOT_FINDER=
export NIX_PATH=nix=$TOP/corepkgs
export SHARED=$TEST_ROOT/shared
export PATH=$NIX_BIN_DIR:$TOP/scripts:$PATH
export REAL_BIN_DIR=@bindir@
export REAL_LIBEXEC_DIR=@libexecdir@
export REAL_LOCALSTATE_DIR=@localstatedir@
export REAL_DATA_DIR=@datadir@
export REAL_STORE_DIR=@storedir@
export NIX_BUILD_HOOK=
export PERL=perl
export PERL5LIB=$TOP/perl/lib:$PERL5LIB

24
tests/init.sh
View file

@ -10,7 +10,6 @@ fi
mkdir "$TEST_ROOT"
mkdir "$NIX_STORE_DIR"
mkdir "$NIX_DATA_DIR"
mkdir "$NIX_LOCALSTATE_DIR"
mkdir -p "$NIX_LOG_DIR"/drvs
mkdir "$NIX_STATE_DIR"
@ -39,29 +38,6 @@ env-keep-derivations = false
fsync-metadata = false
EOF
mkdir $NIX_DATA_DIR/nix
cp -pr $TOP/corepkgs $NIX_DATA_DIR/nix/
# Bah, scripts have the prefix hard-coded. This is really messy stuff
# (and likely to fail).
for i in \
$NIX_DATA_DIR/nix/corepkgs/nar/nar.sh \
; do
sed < $i > $i.tmp \
-e "s^$REAL_BIN_DIR/nix-store^$NIX_BIN_DIR/nix-store^" \
-e "s^$REAL_BIN_DIR/nix-hash^$NIX_BIN_DIR/nix-hash^" \
-e "s^$REAL_LIBEXEC_DIR^$NIX_LIBEXEC_DIR^" \
-e "s^$REAL_LOCALSTATE_DIR^$NIX_LOCALSTATE_DIR^" \
-e "s^$REAL_DATA_DIR^$NIX_DATA_DIR^" \
-e "s^$REAL_STORE_DIR\([^/]\)^$NIX_STORE_DIR\1^"
mv $i.tmp $i
chmod +x $i
done
# Another ugly hack.
sed "s|^$|PATH='$PATH'|" < $NIX_DATA_DIR/nix/corepkgs/nar/nar.sh > tmp
chmod +x tmp
mv tmp $NIX_DATA_DIR/nix/corepkgs/nar/nar.sh
# An uberhack for Mac OS X 10.5: download-using-manifests uses Perl,
# and Perl links against Darwin's libutil.dylib (in /usr/lib), but
# when running "make check", the libtool wrapper script around the Nix

2
tests/lang.sh
View file

@ -40,7 +40,7 @@ for i in lang/eval-okay-*.nix; do
if test -e lang/$i.flags; then
flags=$(cat lang/$i.flags)
fi
if ! NIX_PATH=lang/dir3:lang/dir4 nix-instantiate $flags --eval-only --strict lang/$i.nix > lang/$i.out; then
if ! NIX_PATH=lang/dir3:lang/dir4:$NIX_PATH nix-instantiate $flags --eval-only --strict lang/$i.nix > lang/$i.out; then
echo "FAIL: $i should evaluate"
fail=1
elif ! diff lang/$i.out lang/$i.exp; then

2
tests/lang/eval-okay-search-path.nix
View file

@ -1,3 +1,3 @@
assert builtins.pathExists <nix/buildenv>;
assert builtins.pathExists <nix/buildenv.nix>;
import <a.nix> + import <b.nix> + import <c.nix> + import <dir5/c.nix>

2
tests/user-envs.sh
View file

@ -36,7 +36,7 @@ nix-env -p $profiles/test -q '*' | grep -q foo-2.0pre1
test "$($profiles/test/bin/foo)" = "foo-2.0pre1"
# Upgrade "foo": should install foo-2.0.
NIX_PATH=nixpkgs=./user-envs.nix nix-env -p $profiles/test -f '<nixpkgs>' -u foo
NIX_PATH=nixpkgs=./user-envs.nix:$NIX_PATH nix-env -p $profiles/test -f '<nixpkgs>' -u foo
# Query installed: should contain foo-2.0 now.
test "$(nix-env -p $profiles/test -q '*' | wc -l)" -eq 1