Hi,
while working on the Git CI integration I noticed that t5516 "75 - deny fetch
unreachable SHA1, allowtipsha1inwant=true" (introduced in 68ee628) seems to be
flaky on TravisCI. I get the following output in verbose mode:
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
expecting success:
mk_empty testrepo &&
(
cd testrepo &&
git config uploadpack.allowtipsha1inwant $configallowtipsha1inwant
&&
git commit --allow-empty -m foo &&
git commit --allow-empty -m bar &&
git commit --allow-empty -m xyz
) &&
SHA1_1=$(git --git-dir=testrepo/.git rev-parse HEAD^^) &&
SHA1_2=$(git --git-dir=testrepo/.git rev-parse HEAD^) &&
SHA1_3=$(git --git-dir=testrepo/.git rev-parse HEAD) &&
(
cd testrepo &&
git reset --hard $SHA1_2 &&
git cat-file commit $SHA1_1 &&
git cat-file commit $SHA1_3
) &&
mk_empty shallow &&
(
cd shallow &&
test_must_fail git fetch ../testrepo/.git $SHA1_3 &&
test_must_fail git fetch ../testrepo/.git $SHA1_1 &&
git --git-dir=../testrepo/.git config
uploadpack.allowreachablesha1inwant true &&
git fetch ../testrepo/.git $SHA1_1 &&
git cat-file commit $SHA1_1 &&
test_must_fail git cat-file commit $SHA1_2 &&
git fetch ../testrepo/.git $SHA1_2 &&
git cat-file commit $SHA1_2 &&
test_must_fail git fetch ../testrepo/.git $SHA1_3
)
Initialized empty Git repository in
/home/travis/build/larsxschneider/git/t/trash
directory.t5516-fetch-push/testrepo/.git/
[master (root-commit) a6b22ca] foo
Author: A U Thor <aut...@example.com>
[master 5e26403] bar
Author: A U Thor <aut...@example.com>
[master 64ea4c1] xyz
Author: A U Thor <aut...@example.com>
HEAD is now at 5e26403 bar
tree 4b825dc642cb6eb9a060e54bf8d69288fbee4904
author A U Thor <aut...@example.com> 1112912053 -0700
committer C O Mitter <commit...@example.com> 1112912053 -0700
foo
tree 4b825dc642cb6eb9a060e54bf8d69288fbee4904
parent 5e26403b4485d7a44fd8b65dc3f71e21c0dd6fad
author A U Thor <aut...@example.com> 1112912053 -0700
committer C O Mitter <commit...@example.com> 1112912053 -0700
xyz
Initialized empty Git repository in
/home/travis/build/larsxschneider/git/t/trash
directory.t5516-fetch-push/shallow/.git/
fatal: git upload-pack: not our ref 64ea4c133d59fa98e86a771eda009872d6ab2886
test_must_fail: died by signal: git fetch ../testrepo/.git
64ea4c133d59fa98e86a771eda009872d6ab2886
not ok 75 - deny fetch unreachable SHA1, allowtipsha1inwant=true
<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
"git fetch ../testrepo/.git $SHA1_3" seems to die as follows:
1. fetch-pack.c:408 goto done;
2. fetch-pack.c:447 done:
3. fetch-pack.c:229 static void send_request... (send "0009done\n" --> 9 bytes)
4. write_or_die.c:74 write_or_die
5. wrapper.c:331 write_in_full
6. wrapper.c:281 xwrite
7. wrapper.c:287 write --> just dies with exit code 141?!
(use 4688abf to match the line numbers)
You can find the full logs about the CI run here:
https://travis-ci.org/larsxschneider/git/jobs/86984110
I repeatedly executed this test to demonstrate the flakiness:
failed after 100 attempts:
https://travis-ci.org/larsxschneider/git/jobs/87181753
failed after 1876 attempts:
https://travis-ci.org/larsxschneider/git/jobs/87181754
(all executed on bbd2929 from https://github.com/larsxschneider/git)
Unfortunately I was not able to make it fail on my local machine (OS X 10.9)
nor on my VM (Ubuntu 14.10). Travis CI uses Ubuntu 12.04 LTS Server Edition 64
bit with a AUFS file system.
Has anyone an idea what might causes these failures or can give me pointers how
to investigate it?
Thank you,
Lars--
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