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* Add a script `nix-generate-patches'.

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* Fix the binary patching test.
This commit is contained in:
Eelco Dolstra 2010-12-05 17:36:02 +00:00
parent 77f7a6d591
commit f42a505ab7
4 changed files with 52 additions and 7 deletions
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5
scripts/Makefile.am
View file

@ -1,7 +1,7 @@
bin_SCRIPTS = nix-collect-garbage \
nix-pull nix-push nix-prefetch-url \
nix-install-package nix-channel nix-build \
nix-copy-closure
nix-copy-closure nix-generate-patches
noinst_SCRIPTS = nix-profile.sh GeneratePatches.pm \
find-runtime-roots.pl build-remote.pl nix-reduce-build \
@ -41,4 +41,5 @@ EXTRA_DIST = nix-collect-garbage.in \
find-runtime-roots.pl.in \
build-remote.pl.in \
nix-reduce-build.in \
nix-http-export.cgi.in
nix-http-export.cgi.in \
nix-generate-patches.in

42
scripts/nix-generate-patches.in Normal file
View file

@ -0,0 +1,42 @@
#! @perl@ -w -I@libexecdir@/nix
use strict;
use File::Temp qw(tempdir);
use readmanifest;
use GeneratePatches;
if (scalar @ARGV != 5) {
print STDERR <<EOF;
Usage: nix-generate-patches NAR-DIR PATCH-DIR PATCH-URI OLD-MANIFEST NEW-MANIFEST
This command generates binary patches between NAR files listed in
OLD-MANIFEST and NEW-MANIFEST. The patches are written to the
directory PATCH-DIR, and the prefix PATCH-URI is used to generate URIs
for the patches. The patches are added to NEW-MANIFEST. All NARs are
required to exist in NAR-DIR. Patches are generated between
succeeding versions of packages with the same name.
EOF
exit 1;
}
my $narPath = $ARGV[0];
my $patchesPath = $ARGV[1];
my $patchesURL = $ARGV[2];
my $srcManifest = $ARGV[3];
my $dstManifest = $ARGV[4];
my (%srcNarFiles, %srcLocalPaths, %srcPatches);
readManifest $srcManifest, \%srcNarFiles, \%srcLocalPaths, \%srcPatches;
my (%dstNarFiles, %dstLocalPaths, %dstPatches);
readManifest $dstManifest, \%dstNarFiles, \%dstLocalPaths, \%dstPatches;
my $tmpDir = tempdir("nix-generate-patches.XXXXXX", CLEANUP => 1, TMPDIR => 1)
or die "cannot create a temporary directory";
generatePatches \%srcNarFiles, \%dstNarFiles, \%srcPatches, \%dstPatches,
$narPath, $patchesPath, $patchesURL, $tmpDir;
propagatePatches \%srcPatches, \%dstNarFiles, \%dstPatches;
writeManifest $dstManifest, \%dstNarFiles, \%dstPatches;

6
tests/binary-patching.sh
View file

@ -19,10 +19,10 @@ $NIX_BIN_DIR/nix-push --copy $TEST_ROOT/cache2 $TEST_ROOT/manifest3 $out3
rm $RESULT
# Generate binary patches.
$NIX_BIN_DIR/generate-patches.pl $TEST_ROOT/cache2 $TEST_ROOT/patches \
$NIX_BIN_DIR/nix-generate-patches $TEST_ROOT/cache2 $TEST_ROOT/patches \
file://$TEST_ROOT/patches $TEST_ROOT/manifest1 $TEST_ROOT/manifest2
$NIX_BIN_DIR/generate-patches.pl $TEST_ROOT/cache2 $TEST_ROOT/patches \
$NIX_BIN_DIR/nix-generate-patches $TEST_ROOT/cache2 $TEST_ROOT/patches \
file://$TEST_ROOT/patches $TEST_ROOT/manifest2 $TEST_ROOT/manifest3
grep -q "patch {" $TEST_ROOT/manifest3
@ -45,7 +45,7 @@ rm $RESULT
[ "$(grep ' patch ' $TEST_ROOT/var/log/nix/downloads | wc -l)" -eq 2 ]
# Add a patch from version 1 directly to version 3.
$NIX_BIN_DIR/generate-patches.pl $TEST_ROOT/cache2 $TEST_ROOT/patches \
$NIX_BIN_DIR/nix-generate-patches $TEST_ROOT/cache2 $TEST_ROOT/patches \
file://$TEST_ROOT/patches $TEST_ROOT/manifest1 $TEST_ROOT/manifest3
# Rebuild version 3. This should use the direct patch rather than the

6
tests/init.sh
View file

@ -31,12 +31,13 @@ ln -s $TOP/scripts/nix-build $NIX_BIN_DIR/
ln -s $TOP/scripts/nix-install-package $NIX_BIN_DIR/
ln -s $TOP/scripts/nix-push $NIX_BIN_DIR/
ln -s $TOP/scripts/nix-pull $NIX_BIN_DIR/
ln -s $TOP/scripts/nix-generate-patches $NIX_BIN_DIR/
mkdir $NIX_BIN_DIR/nix
ln -s $bzip2_bin_test/bzip2 $NIX_BIN_DIR/nix/
ln -s $bzip2_bin_test/bunzip2 $NIX_BIN_DIR/nix/
ln -s $TOP/scripts/copy-from-other-stores.pl $NIX_BIN_DIR/nix/
ln -s $TOP/scripts/download-using-manifests.pl $NIX_BIN_DIR/nix/
ln -s $TOP/scripts/generate-patches.pl $NIX_BIN_DIR/
ln -s $TOP/scripts/GeneratePatches.pm $NIX_BIN_DIR/nix/
ln -s $TOP/scripts/readmanifest.pm $NIX_BIN_DIR/nix/
cat > "$NIX_CONF_DIR"/nix.conf <<EOF
@ -60,8 +61,9 @@ for i in \
$NIX_BIN_DIR/nix-install-package \
$NIX_BIN_DIR/nix-push \
$NIX_BIN_DIR/nix-pull \
$NIX_BIN_DIR/nix-generate-patches \
$NIX_BIN_DIR/nix/readmanifest.pm \
$NIX_BIN_DIR/generate-patches.pl \
$NIX_BIN_DIR/nix/GeneratePatches.pm \
; do
sed < $i > $i.tmp \
-e "s^$REAL_BIN_DIR/nix-store^$NIX_BIN_DIR/nix-store^" \