Hi Junio, On Mon, 21 Oct 2019, Junio C Hamano wrote:
> SZEDER Gábor <szeder....@gmail.com> writes: > > > On Thu, Oct 17, 2019 at 12:47:33PM +0000, Johannes Schindelin via > > GitGitGadget wrote: > >> From: Johannes Schindelin <johannes.schinde...@gmx.de> > >> > >> The CI builds are failing for Mac OS X due to a change in the > > > > s/CI/Azure Pipelines/ > > > > Our Travis CI builds are fine. > > > >> location of the perforce cask. The command outputs the following > >> error: > >> > >> + brew install caskroom/cask/perforce > >> Error: caskroom/cask was moved. Tap homebrew/cask-cask instead. > >> > >> So let's try to call `brew cask install perforce` first (which is what > >> that error message suggests, in a most round-about way). > >> > >> The "caskroom" way was added in 672f51cb (travis-ci: > >> fix Perforce install on macOS, 2017-01-22) and the justification > >> is that the call "brew cask install perforce" can fail due to a checksum > >> mismatch: the recipe simply downloads the official Perforce distro, and > >> whenever that is updated, the recipe needs to be updated, too. > > > > This paragraph is wrong, it mixes up things too much. > > > > Prior to 672f51cb we used to install the 'perforce' _package_ with > > 'brew install perforce' (note: no 'cask' in there). The justification > > for 672f51cb was that the command 'brew install perforce' simply > > stopped working, after Homebrew folks decided that it's better to move > > the 'perforce' package to a "cask". It was _their_ justification for > > this move that 'brew install perforce' "can fail due to a checksum > > mismatch ...", and casks can be installed without checksum > > verification. And indeed, both 'brew cask install perforce' and 'brew > > install caskroom/cask/perforce' printed something along the lines of: > > > > ==> No checksum defined for Cask perforce, skipping verification > > > > It's unclear to me why 672f51cb used 'brew install > > caskroom/cask/perforce' instead of 'brew cask install perforce'. It > > appears (by running both commands on old Travis CI macOS images) that > > both commands worked all the same already back then. > > > > Anyway, as the error message at the top of the log message shows, > > 'brew install caskroom/cask/perforce' has stopped working recently, > > but 'brew cask install perforce' still does, so let's use that. > > > > Note that on Travis CI we explicitly specify which macOS image to use, > > and nowadays we don't run 'brew update' during the build process [1], > > so both commands work in our builds there. > > ... > > Now, let's take a step back. > > > > All 'brew cask install perforce' really does is ... > > ... in fact, that's what we have been doing in some of our Linux jobs > > since the very beginning, so basically only the download URL has to be > > adjusted. > > This is already in 'next' X-<; reverting a merge is cheap but I > prefer to do so when we already have a replacement. I force-pushed (see https://github.com/gitgitgadget/git/pull/400), and once Stolee approves, he will submit v3. This will only change the commit message, though, as I disagree that hard-coding the URL would be an improvement: the nice thing about a package management system is that the user does not need to know the details (or need to know if the details change, like, ever). Ciao, Dscho > > Thanks for taking a closer look. >
