Jon Seymour <jon.seymour@xxxxxxxxx> writes:
> The documentation for git rev-parse --flags currently states:
>
> Do not output non-flag parameters.
>
> Therefore, one might expect:
> $ git rev-parse --flags HEAD
>
> to produce no output.
>
> In fact, it outputs the sha1 hash of HEAD.
Perhaps you are missing --no-revs.
Linus wrote rev-parse to implement this in a shell script:
git log [other-options-and-args] [revision-traversal-options-and-args]
which needs to be transformed to:
git rev-list [revision-traversal-options-and-args] |
git diff-tree --stdin [other-options-and-args]
so that it can parse "-p HEAD" with and without "--no-revs" to produce
"HEAD" and "-p" respectively. It does so by knowing options that are
relevant to rev-list invocation (shown by default, or --revs-only) and
everything else (hidden when --no-revs is given).
"--flags" is an afterthought that filters out non-flags in other parts; I
do not think it applied to the "rev" part (i.e. giving --no-revs at the
same time would be a valid workaround if you know you do not want HEAD or
any revision traversal argument) in any released version of git.
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