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f0e802ca20
The test creates some unrelated commits in two separate repositories, and then fetches from one to the other. Since the commit creation happens in a subshell, the first commit in each ends up with the same test_tick value. When fetch-pack looks at the two root commits "unrelated1" and "new-too", the exact sequence of ACKs is different depending on which one it pulls out of the queue first. With the current code, it happens to be "unrelated1" (though this is not at all guaranteed by the prio_queue data structure, it is deterministic for this particular sequence of input). We see the ready-ACK, and the test succeeds. With the stable queue, we reliably get "new-too" out (since it is our local tip, it is added to the queue before we even talk to the remote). We never see a ready-ACK, and the test fails due to the grep on the TRACE_PACKET output at the end (the fetch itself succeeds as expected). I'm really not quite clear on what's supposed to be going on in the test. I can make it pass with this change.
83 lines
1.8 KiB
Bash
Executable file
83 lines
1.8 KiB
Bash
Executable file
#!/bin/sh
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test_description='fetch/clone from a shallow clone over http'
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. ./test-lib.sh
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if test -n "$NO_CURL"; then
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skip_all='skipping test, git built without http support'
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test_done
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fi
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. "$TEST_DIRECTORY"/lib-httpd.sh
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start_httpd
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commit() {
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echo "$1" >tracked &&
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git add tracked &&
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git commit -m "$1"
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}
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test_expect_success 'setup shallow clone' '
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commit 1 &&
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commit 2 &&
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commit 3 &&
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commit 4 &&
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commit 5 &&
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commit 6 &&
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commit 7 &&
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git clone --no-local --depth=5 .git shallow &&
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git config --global transfer.fsckObjects true
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'
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test_expect_success 'clone http repository' '
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git clone --bare --no-local shallow "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
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git clone $HTTPD_URL/smart/repo.git clone &&
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(
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cd clone &&
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git fsck &&
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git log --format=%s origin/master >actual &&
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cat <<EOF >expect &&
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7
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6
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5
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4
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3
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EOF
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test_cmp expect actual
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)
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'
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# This test is tricky. We need large enough "have"s that fetch-pack
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# will put pkt-flush in between. Then we need a "have" the server
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# does not have, it'll send "ACK %s ready"
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test_expect_success 'no shallow lines after receiving ACK ready' '
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(
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cd shallow &&
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test_tick &&
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for i in $(test_seq 15)
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do
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git checkout --orphan unrelated$i &&
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test_commit unrelated$i &&
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git push -q "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" \
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refs/heads/unrelated$i:refs/heads/unrelated$i &&
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git push -q ../clone/.git \
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refs/heads/unrelated$i:refs/heads/unrelated$i ||
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exit 1
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done &&
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git checkout master &&
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test_commit new &&
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git push "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" master
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) &&
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(
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cd clone &&
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git checkout --orphan newnew &&
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test_commit new-too &&
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GIT_TRACE_PACKET="$TRASH_DIRECTORY/trace" git fetch --depth=2 &&
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grep "fetch-pack< ACK .* ready" ../trace &&
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! grep "fetch-pack> done" ../trace
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)
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'
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stop_httpd
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test_done
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