diff options
Diffstat (limited to 't')
-rwxr-xr-x | t/t5616-partial-clone.sh | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/t/t5616-partial-clone.sh b/t/t5616-partial-clone.sh index 7cc0c71556..f1baf83502 100755 --- a/t/t5616-partial-clone.sh +++ b/t/t5616-partial-clone.sh @@ -339,4 +339,65 @@ test_expect_success 'when partial cloning, tolerate server not sending target of ! test -e "$HTTPD_ROOT_PATH/one-time-sed" ' +test_expect_success 'tolerate server sending REF_DELTA against missing promisor objects' ' + SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" && + rm -rf "$SERVER" repo && + test_create_repo "$SERVER" && + test_config -C "$SERVER" uploadpack.allowfilter 1 && + test_config -C "$SERVER" uploadpack.allowanysha1inwant 1 && + + # Create a commit with a blob to be used as a delta base. + for i in $(test_seq 10) + do + echo "this is a line" >>"$SERVER/foo.txt" + done && + git -C "$SERVER" add foo.txt && + git -C "$SERVER" commit -m bar && + git -C "$SERVER" rev-parse HEAD:foo.txt >deltabase && + + git -c protocol.version=2 clone --no-checkout \ + --filter=blob:none $HTTPD_URL/one_time_sed/server repo && + + # Sanity check to ensure that the client does not have that blob. + git -C repo rev-list --objects --exclude-promisor-objects \ + -- $(cat deltabase) >objlist && + test_line_count = 0 objlist && + + # Another commit. This commit will be fetched by the client. + echo "abcdefghijklmnopqrstuvwxyz" >>"$SERVER/foo.txt" && + git -C "$SERVER" add foo.txt && + git -C "$SERVER" commit -m baz && + + # Pack a thin pack containing, among other things, HEAD:foo.txt + # delta-ed against HEAD^:foo.txt. + printf "%s\n--not\n%s\n" \ + $(git -C "$SERVER" rev-parse HEAD) \ + $(git -C "$SERVER" rev-parse HEAD^) | + git -C "$SERVER" pack-objects --thin --stdout >thin.pack && + + # Ensure that the pack contains one delta against HEAD^:foo.txt. Since + # the delta contains at least 26 novel characters, the size cannot be + # contained in 4 bits, so the object header will take up 2 bytes. The + # most significant nybble of the first byte is 0b1111 (0b1 to indicate + # that the header continues, and 0b111 to indicate REF_DELTA), followed + # by any 3 nybbles, then the OID of the delta base. + git -C "$SERVER" rev-parse HEAD^:foo.txt >deltabase && + printf "f.,..%s" $(intersperse "," <deltabase) >want && + hex_unpack <thin.pack | intersperse "," >have && + grep $(cat want) have && + + replace_packfile thin.pack && + + # Use protocol v2 because the sed command looks for the "packfile" + # section header. + test_config -C "$SERVER" protocol.version 2 && + + # Fetch the thin pack and ensure that index-pack is able to handle the + # REF_DELTA object with a missing promisor delta base. + git -C repo -c protocol.version=2 fetch && + + # Ensure that the one-time-sed script was used. + ! test -e "$HTTPD_ROOT_PATH/one-time-sed" +' + test_done |