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Print hook output in real time #19
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Sometimes hooks are used to run various types of linting or tests, e.g., for pre-review. These can take a while, and if they print progress indicators, it's useful to see them immediately. Previously they wouldn't be printed at all unless there was a failure, and then all output would suddenly be printed. This makes it look like git-review is hanging. If hooks want to only print output on failure, they can buffer the output themselves however they like. As far as I can tell, the new behavior matches behavior of built-in git hooks like pre-commit, which do seem to print output immediately.
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Sometimes hooks are used to run various types of linting or tests, e.g.,
for pre-review. These can take a while, and if they print progress
indicators, it's useful to see them immediately. Previously they
wouldn't be printed at all unless there was a failure, and then all
output would suddenly be printed. This makes it look like git-review is
hanging. If hooks want to only print output on failure, they can buffer
the output themselves however they like.
As far as I can tell, the new behavior matches behavior of built-in git
hooks like pre-commit, which do seem to print output immediately.