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authorDavid Kalnischkies <david@kalnischkies.de>2021-03-07 00:47:26 +0100
committerDavid Kalnischkies <david@kalnischkies.de>2021-03-07 02:55:07 +0100
commit59933938f51105066161a6eb88253006826336a2 (patch)
treeff57670a05401c88b071e591d2f539f21bd8209b /test/integration
parent246f66561e23911b9615bd337b3b6f6f25b6cd31 (diff)
Start pdiff patching from the last possible starting point
Especially in small sections of an archive it can happen that an index returns to a previous state (e.g. if a package was first added and then removed with no other changes happening in between). The result is that we have multiple patches which start from the same hash which if we perform clientside merging is no problem although not ideal as we perform needless work. For serverside merging it would not matter, but due to rred previously refusing to merge zero-size patches but dak ignoring failure letting it carry these size-zero patches until they naturally expire we run into a problem as these broken patches won't do and force us to fall back to downloading the entire index. By always starting from the last patch instead of the first with the starter hash we can avoid this problem and behave optimally in clientside merge cases, too.
Diffstat (limited to 'test/integration')
-rwxr-xr-xtest/integration/test-pdiff-usage3
1 files changed, 3 insertions, 0 deletions
diff --git a/test/integration/test-pdiff-usage b/test/integration/test-pdiff-usage
index 5844619b8..b727aa138 100755
--- a/test/integration/test-pdiff-usage
+++ b/test/integration/test-pdiff-usage
@@ -100,12 +100,15 @@ testrun() {
PATCHINDEX='aptarchive/Packages.diff/Index'
echo "SHA256-Current: $(sha256sum "${PKGFILE}-new" | cut -d' ' -f 1) $(stat -c%s "${PKGFILE}-new")
SHA256-History:
+ $(sha256sum "$PKGFILE" | cut -d' ' -f 1) $(stat -c%s "$PKGFILE") 2000-08-18-2013.28
01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b 33053002 2010-08-18-2013.28
$(sha256sum "$PKGFILE" | cut -d' ' -f 1) $(stat -c%s "$PKGFILE") $(basename "$PATCHFILE")
SHA256-Patches:
+ $(sha256sum "$PATCHFILE" | cut -d' ' -f 1) $(stat -c%s "$PATCHFILE") 2000-08-18-2013.28
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 19722 2010-08-18-2013.28
$(sha256sum "$PATCHFILE" | cut -d' ' -f 1) $(stat -c%s "$PATCHFILE") $(basename "$PATCHFILE")
SHA256-Download:
+ $(sha256sum "${PATCHFILE}.gz" | cut -d' ' -f 1) $(stat -c%s "${PATCHFILE}.gz") 2000-08-18-2013.28.gz
d2a1b33187ed2d248eeae3b1223ea71791ea35f2138a713ed371332a6421f467 197 2010-08-18-2013.28.gz
$(sha256sum "${PATCHFILE}.gz" | cut -d' ' -f 1) $(stat -c%s "${PATCHFILE}.gz") $(basename "${PATCHFILE}.gz")" > "$PATCHINDEX"