On 19-06-27 19:05, Jannick wrote: | Hi Luke, | | Sorry for the late reply. | | On Wed, 5 Jun 2019 15:56:01 +1000, Luke Mewburn wrote: | | > I used another solution where wanted to use a different diff | > implementation for AT_CHECK() that that allowed for regexes to be used | > in places where the output changes each test run. | > See my "pyrediff" project: https://github.com/lukem/pyrediff | > | > In pyrediff, I implemented a new macro with similar semantics to | > AT_CHECK() which temporarily overrode the setting of at_diff before | > calling AT_CHECK(), and set at_diff back before AT_CHECK() returns. | | Would the approach by redefining diff in the shell environment I suggested in https://lists.gnu.org/archive/html/autoconf/2019-06/msg00002.html be something to avoid fiddling around with the autotest internals like the variable at_diff? | | > I hope that's useful, | > Luke. | | Many thanks for your input. | | Regards, | J. Hi Jannick, I think that has merit, and the solution of providing a diff() function wasn't one I had considered so thanks for that! For my purposes, I'd still implement that mechanism within the internals of my AX_AT_CHECK_PYREDIFF() macro before it calls AT_CHECK(). Your solution would avoid me having to set $at_diff (although still need the save/restore logic for the function definition.) Alternatively, a simpler solution would be for the upstream AT_CHECK() to gain another optional argument to override the diff command :) cheers, Luke.
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