Michael J Gruber <g...@drmicha.warpmail.net> writes:
> On my mental scratch pad (yeah, that's where the bald spots are) I have
> the following more general idea to enhance the revision parser:
> These options run the script `<script>` on each revision that is walked.
> The script is run in an environment which has the variables
> `GIT_<SPECIFIER>` exported, where `<SPECIFIER>` is any of the specifiers
> for the `--format` option in the long format (the same as for 'git
> In the case of `--limit-run`, the return code of `<script>` decides
> whether the commit is processed further (i.e. shown using the format in
> effect) or ignored.
You could argue that the above is not an inpractical solution as
long as the user of --run, which spawns a new process every time we
need to check if a commit is worth showing in the log/rev-list
stream, knows what she is doing and promises not to complain that it
is no more performant than an external script that reads from
rev-list output and does the equivalent filtering.
I personally am not very enthused.
If we linked with an embeddable scripting language interpreter
(e.g. lua, tcl, guile, ...), it may be a more practical enhancement,
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