SZEDER Gábor <szeder.dev@xxxxxxxxx> writes: > On Thu, Oct 17, 2019 at 12:47:33PM +0000, Johannes Schindelin via GitGitGadget wrote: >> From: Johannes Schindelin <johannes.schindelin@xxxxxx> >> >> 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. Thanks for taking a closer look.
