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-rwxr-xr-xscripts/generate-patches.pl12
-rw-r--r--scripts/readmanifest.pm.in5
2 files changed, 14 insertions, 3 deletions
diff --git a/scripts/generate-patches.pl b/scripts/generate-patches.pl
index e084b994d..7d957839b 100755
--- a/scripts/generate-patches.pl
+++ b/scripts/generate-patches.pl
@@ -198,9 +198,17 @@ foreach my $p (keys %dstOutPaths) {
my $finalName =
"$narBz2Hash-$name-$closestVersion-to-$version.nar-diff";
-
- system("cp '$tmpdir/DIFF' '$patchesDir/$finalName'") == 0
+
+ if (-e "$patchesDir/$finalName") {
+ print " not copying, already exists\n";
+ next;
+ }
+
+ system("cp '$tmpdir/DIFF' '$patchesDir/$finalName.tmp'") == 0
or die "cannot copy diff";
+
+ rename("$patchesDir/$finalName.tmp", "$patchesDir/$finalName")
+ or die "cannot rename $patchesDir/$finalName.tmp";
# Add the patch to the manifest.
addPatch \%dstPatches, $p,
diff --git a/scripts/readmanifest.pm.in b/scripts/readmanifest.pm.in
index 766aa4219..31ea5f43c 100644
--- a/scripts/readmanifest.pm.in
+++ b/scripts/readmanifest.pm.in
@@ -146,7 +146,7 @@ sub writeManifest
my $patches = shift;
my $successors = shift;
- open MANIFEST, ">$manifest";
+ open MANIFEST, ">$manifest.tmp"; # !!! check exclusive
foreach my $storePath (keys %{$narFiles}) {
my $narFileList = $$narFiles{$storePath};
@@ -184,6 +184,9 @@ sub writeManifest
close MANIFEST;
+
+ rename("$manifest.tmp", $manifest)
+ or die "cannot rename $manifest.tmp: $!";
}