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Differential D20511

Expose build-ID through `uname -b`
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Authored by emaste on Jun 4 2019, 1:12 PM.

Details

Reviewers

ali_mashtizadeh.com
imp
markj

Group Reviewers

manpages

Commits

rS349469: Expose the kernel's build-ID through `uname -b`

Summary

After rS348611 the kernel's build-ID is available via sysctl. Add a -b flag to uname to report it.

Diff Detail

Repository

rS FreeBSD src repository - subversion

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Lint Not Applicable

Unit

Tests Not Applicable

Event Timeline

Submitted by: @ali_mashtizadeh.com
Relnotes: Yes
Event: Waterloo Hackathon 2019

markj added a subscriber: markj.Jun 27 2019, 8:21 PM

markj added inline comments.

usr.bin/uname/uname.1
39 ↗	(On Diff #58224)	The flag list needs to be updated.

emaste added inline comments.Jun 27 2019, 8:24 PM

usr.bin/uname/uname.1
39 ↗	(On Diff #58224)	Thanks, fixed locally.

markj accepted this revision.Jun 27 2019, 8:25 PM

This revision is now accepted and ready to land.Jun 27 2019, 8:25 PM

Looks good. What do we do if we can't get the string?

@imp asked on IRC what would happen if run on a kernel without the kern.build_id sysctl - it would report:

volta% usr.bin/uname/obj/uname -b
uname: sysctlbyname: No such file or directory

OK. that works for me. thanks for the answer.

Closed by commit rS349469: Expose the kernel's build-ID through `uname -b` (authored by emaste). · Explain WhyJun 27 2019, 8:35 PM

This revision was automatically updated to reflect the committed changes.

emaste added a commit: rS349469: Expose the kernel's build-ID through `uname -b`.

Herald added a reviewer: manpages. · View Herald TranscriptJun 27 2019, 8:35 PM

Revision Contents
Changeset List

Path

Size

head/

usr.bin/

uname/

uname.1

10 lines

uname.c

19 lines

Diff 59114

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head/usr.bin/uname/uname.1