git-annex/doc/design/assistant/blog/day_200__release_day.mdwn
2013-02-27 18:07:50 -04:00

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As well as making a new release, I rewrote most of the Makefile, so that it
uses cabal to build git-annex. This avoids some duplication, and most
importantly, means that the Makefile can auto-detect available libraries
rather than needing to juggle build flags manually. Which was becoming a
real pain.
I had avoided doing this before because cabal is slow for me on my little
netbook. Adding ten seconds to every rebuild really does matter! But I came
up with a hack to let me do incremental development builds without the
cabal overhead, by intercepting and reusing the ghc command that cabal
runs.
There was also cabal "fun" to get the Android build working with cabal.
And more fun involving building the test suite. For various reasons, I
decided to move the test suite into the git-annex binary. So you can run
`git annex test` at any time, any place, and it self-tests. That's a neat
trick I've seen one or two other programs do, and probably the nicest thing
to come out of what was otherwise a pretty yak shaving change that involved
babysitting builds all day.