Add support for negative pattern matching in @^{/<pattern>} style
revision specifiers. So now you can find the first commit whose message
doesn't match a pattern, complementing the existing positive matching.
e.g.:
$ git rebase -i @^{/!-^WIP}
My use-case is in having a "work, work, work, rebase, push"-style
workflow, which generates a lot of "WIP foo" commits. While rebasing is
usually handled via "git rebase -i origin/master", occasionally I will
already have several "good, but not yet ready to push" commits hanging
around while I finish work on related commits. In these situations, the
ability to quickly "git diff @^{/!-^WIP}" to get an overview of all
changes "since the last one I was happy with", can be useful.
This is the second version of the patch series. The previous attempt
used the notation @^{/!WIP}, rather than @^{/!-WIP}, so the "modifier"
was the '!' character. Now, '!' is taken as an indicator that the
pattern is to be interpreted differently, and '-' is taken as an
indicator of how it is to be interpreted differently. This follows
recent discussion with "Junio C Hamano" <gitster@xxxxxxxxx> and much-less
recent discussion archived at:
http://thread.gmane.org/gmane.comp.version-control.git/40460/focus=40477
In summary, '!' is to be used as an "escape hatch", for further
extension of the "name commit by pattern" functionality. Theorised future
extensions indicated things like "what was to be searched",
e.g.: @^{/!(a=author)}. With only two interpretations of the '!'
leader, for now (including the '!!' literal notation), adding such a
verbose form, such as '@^{/!(negative)foo}', seemed inappropriate at this
time. In the event that such verbose forms are ever implemented, this new
form may act as a shorthand, for a basic case.
Will Palmer (2):
test for '!' handling in rev-parse's named commits
object name: introduce '^{/!-<negative pattern>}' notation
Documentation/revisions.txt | 11 +++++-----
sha1_name.c | 20 ++++++++++++-----
t/t1511-rev-parse-caret.sh | 53 ++++++++++++++++++++++++++++++++++++++++++++-
3 files changed, 73 insertions(+), 11 deletions(-)
--
2.7.0-rc2
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