Same test-path-utils behaves differently on different Windows systems

From: Sebastian Schuberth <sschuberth@gmail.com>
Date: Oct 10, 2013, 12:13 UTC
Message-ID: <CAHGBnuNaVWxa2kNqf3n9GmZZxFryLfJqKB5TxmDK5BiG5x53VQ@mail.gmail.com>

Hi,

for my mingwGitDevEnv project [1] I'm currently looking at the failing Git tests [2]. The first tests that fails is t0060-path-utils [3]:

not ok 88 - relative path: / /a/b/ => ../../ # test "$(test-path-utils relative_path '/' '/a/b/')" = '../../'

not ok 91 - relative path: /x/y /a/b/ => ../../x/y # test "$(test-path-utils relative_path '/x/y' '/a/b/')" = '../../x/y'

If I run "test-path-utils relative_path '/' '/a/b/'" on the server (running Windows Server 2008 R2) that perform the testing I indeed get:

$ test-path-utils relative_path '/' '/a/b/' ../../C:/Jenkins/mingwGitDevEnv-test/workspace/mingwGitDevEnv $ pwd -W C:/Jenkins/mingwGitDevEnv-test/workspace/mingwGitDevEnv/git

The funny thing is, if I run the exact same binary on my local Windows 8 64-bit machine I get the expected result:

$ test-path-utils relative_path '/' '/a/b/' ../../ $ pwd -W C:/Jenkins/mingwGitDevEnv-test/workspace/mingwGitDevEnv/git

So how can the exact same test-path-utils binary create different results fo the same arguments? I'd be very grateful for any insights. If you want to play around with it yourself, you can download the while Jenkins workspace as a ZIP at [4] (but note that it's almost 1 GiB).

It's probably also interesting to mention that t0060-path-utils did not yet fail in build 38 [5] and I'm currently in the process to find out what changed.

[1] https://github.com/sschuberth/mingwGitDevEnv/ [2] http://mingwgitdevenv.cloudapp.net/job/mingwGitDevEnv-test/42/ [3] http://mingwgitdevenv.cloudapp.net/job/mingwGitDevEnv-test/ws/test-results/t0060-path-utils.sh/*view*/ [4] http://mingwgitdevenv.cloudapp.net/job/mingwGitDevEnv-test/ws/mingwGitDevEnv/ [5] http://mingwgitdevenv.cloudapp.net/job/mingwGitDevEnv-test/38/

-- 
Sebastian Schuberth

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