Francis Moreau <> writes:

> Inside the kernel repository, I tried this:
> $ git describe --dirty --match 'v[0-9]*' --abbrev=4 HEAD
> fatal: --dirty is incompatible with committishes
> If 'HEAD' is removed then git-describe works as expected.
> Is that expected ?

I would say so, at least in modern codebase.

"git describe" without any commit object name used to mean "describe
the HEAD commit using the better known points" before the --dirty
option was introduced.

But "--dirty" makes it describe the current checkout.  For example,
output from "git describe --dirty" v1.8.0-211-gd8b4531-dirty means
"your working tree contains work-in-progress based on d8b4531, which
is 211 commits ahead of the v1.8.0 tag".  So conceptually, it should
not take any commit, even if it were spelled HEAD.

"git describe --dirty HEAD^^" would be an utter nonsense for the
same reason.
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