On Thu, Apr 25 2019, Barret Rhoden wrote: > Hi - > > On 4/25/19 10:36 AM, Jonathan Nieder wrote: >> Hi, >> >> Ævar Arnfjörð Bjarmason wrote: >> >>> Because we don't have some general config facility for this it keeps >>> coming up, and various existing/proposed options have their own little >>> custom hacks for doing it, e.g. this for Barret Rhoden's proposed "blame >>> skip commits" feature >>> https://public-inbox.org/git/878swhfzxb.fsf@xxxxxxxxxxxxxxxxxxx/ >>> (b.t.w. I*meant* /dev/null in that E-Mail, but due to PEBCAK wrote >>> /dev/zero). >> I'm confused. Isn't that bog-standard Git usage, not a custom hack? >> That is, I thought the intended behavior is always >> >> 1. For single-valued options, last value wins. >> 2. For multi-valued options, empty clears the list. >> 3. When there is a special behavior triggered by not supplying the >> option at all, offer an explicit value like "default" that triggers >> the same behavior, too. >> >> and that any instance of a command that isn't following that is a bug. > > Not sure if it's meant to be the standard, but I just went with the > style used by credential.helper. This was suggested to me by Johannes > in [1]: Just to be clear I'm not picking on your patch, I think doing it that way makes perfect sense in the current system. Just as noted upthread using it as an example (that was fresh in my mind...) of a case where we want this, but it's a bespoke thing for every use-case, and not consistent (i.e. just supported for your new thing, but not for the existing fsck code that's mostly the same). > On 2019-01-18 at 10:47 Johannes Schindelin <Johannes.Schindelin@xxxxxx> > wrote: >> A better idea IMHO would be to use an OPT_STRING_LIST() for >> `--ignore-revs-file`, too, and to allow for multiple >> `blame.ignoreRevsFile` config entries (with our usual trick of handling an >> empty setting by resetting the list of paths that were accumulated so >> far, see e.g. how `credential.helper` is handled). > > [1] > https://public-inbox.org/git/nycvar.QRO.7.76.6.1901181038540.41@xxxxxxxxxxxxxxxxx/ > > Barret