x/build/cmd/tip: false positive in health check

[bsiegert]

I just noticed on farmer.golang.org that there is an error in tip status monitoring. As of now, https://farmer.golang.org/status/tip says:

# "tip" status: tip.golang.org website
# Notes: https://github.com/golang/build/tree/master/cmd/tip
Error: _tipstatus page reports error: builder.Init: checkout of go: reset: fatal: Could not parse object 'a3426f2571bc6f6e55f70ad7a0e7198ecdeb10e4'.

/cc @adg

[dmitshur]

Thanks for reporting.

I've looked into this and it seems to be a false positive in the health check. The https://tip.golang.org website is currently deployed at the correct version and functioning properly. So the problem is with the health check, not tip.golang.org. I'll update the issue accordingly.

I'll copy more debug information here, since the false positive might go away:

https://tip.golang.org/_tipstatus currently reports:

side=b
current=go=0f7b4e72/website=a9a9c92a
error=builder.Init: checkout of go: reset: fatal: Could not parse object 'a3426f2571bc6f6e55f70ad7a0e7198ecdeb10e4'.

exit status 128
uptime=3797110

[dmitshur]

I've found the root cause. This was a fun one. :)

[gopherbot]

Change https://golang.org/cl/197302 mentions this issue: cmd/tip: don't install cmd/tip from the internet