Running gofmt as a bzr hook

[Alejandro J. Cura]

That's very useful, thanks for sharing!

On Fri, May 15, 2015 at 4:37 PM, Michael Terry
<michael.terry at canonical.com> wrote:
> I use an unenlightened editor that doesn't run gofmt upon saving a file.
>
> So to avoid rookie mistakes, I wrote this tiny bzr hook to run gofmt during
> a bzr commit (only for snappy branches).  If you like it too, save it as
> ~/.bazaar/plugins/gofmt.py
>
> """
> from bzrlib import hooks
>
> def run_gofmt(local, master, old_revno, old_revid, future_revno,
> future_revid, tree_delta, future_tree):
>     import os, subprocess
>     from bzrlib import errors, workingtree
>     basedir = workingtree.WorkingTree.open(master.user_url).basedir
>     if os.path.exists(basedir + "/cmd/snappy/main.go") and
> subprocess.check_output(["gofmt", "-l", basedir]):
>         raise errors.BzrError("Run gofmt, you have style errors.")
>
> hooks.install_lazy_named_hook('bzrlib.branch', 'Branch.hooks',
>     'pre_commit', run_gofmt, 'Run gofmt on snappy branches')
> """
>
> --
> -mt
>
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