Closed Bug 1277134 Opened 8 years ago Closed 8 years ago

Use built-in fsmonitor instead of watchman in mach mercurial-setup if Mercurial version >= 3.8

Categories

(Firefox Build System :: Mach Core, enhancement)

enhancement
Not set
normal

Tracking

(firefox49 fixed)

RESOLVED FIXED
mozilla49
Tracking Status
firefox49 --- fixed

People

(Reporter: TYLin, Assigned: chenpighead)

References

Details

Attachments

(1 file)

According to the mercurial 3.8 release note, watchman has been integrated into core, and rename to 'fsmonitor'.  We might want install fsmonitor to the user's hgrc when running `mach mercurial-setup` if Mercurial version >= 3.8.

https://www.mercurial-scm.org/wiki/Release3.8
Any pros of doing so ?
Assignee: nobody → jeremychen
The hgwatchman project has been renamed to fsmonitor and has been moved
into Mercurial core, as of version 3.8.
Accordingly, for Mercurial >= 3.8, we shall skip installing hgwatchman
but just set fsmonitor in hgrc file instead.

Review commit: https://reviewboard.mozilla.org/r/56852/diff/#index_header
See other reviews: https://reviewboard.mozilla.org/r/56852/
Attachment #8758579 - Flags: review?(gps)
https://reviewboard.mozilla.org/r/56852/#review53534

::: tools/mercurial/hgsetup/wizard.py:247
(Diff revision 1)
> -Would you like to install hgwatchman
> +Note that the hgwatchman project has been renamed to fsmonitor and has
> +been moved into Mercurial core, as of version 3.8. So, if your Mercurial
> +version is modern enough (>=3.8), you could set fsmonitor in hgrc file
> +directly.
> +
> +Would you like to install hgwatchman or enable fsmonitor?

Note a question containing a "or" with a y/n prompt feels weird.

It seems to me it would be better to rephrase the explanation to talk about file system monitoring in a generic way and leave out the name of the extension, which doesn't really matter for the user.
https://reviewboard.mozilla.org/r/56852/#review53534

> Note a question containing a "or" with a y/n prompt feels weird.
> 
> It seems to me it would be better to rephrase the explanation to talk about file system monitoring in a generic way and leave out the name of the extension, which doesn't really matter for the user.

Good point. Address your comments.
Comment on attachment 8758579 [details]
MozReview Request: Bug 1277134 - Add built-in fsmonitor support for Mercurial version>=3.8.

Review request updated; see interdiff: https://reviewboard.mozilla.org/r/56852/diff/1-2/
Status: NEW → ASSIGNED
Comment on attachment 8758579 [details]
MozReview Request: Bug 1277134 - Add built-in fsmonitor support for Mercurial version>=3.8.

https://reviewboard.mozilla.org/r/56852/#review53636

This is a good start. We'll want to follow up to convert configs from hgwatchman to fsmonitor. But that can be in a different bug.
Attachment #8758579 - Flags: review?(gps) → review+
Pushed by jichen@mozilla.com:
https://hg.mozilla.org/integration/mozilla-inbound/rev/c77f5610b2a8
Add built-in fsmonitor support for Mercurial version>=3.8. r=gps
Blocks: 1277442
https://hg.mozilla.org/mozilla-central/rev/c77f5610b2a8
Status: ASSIGNED → RESOLVED
Closed: 8 years ago
Resolution: --- → FIXED
Target Milestone: --- → mozilla49
Product: Core → Firefox Build System
See Also: → 1774090
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