On 12/19/20 6:48 AM, Hanspeter Niederstrasser wrote:
BigSur11.1 broke the kernel version to macOS release mapping that
existed through the entire 10.X series.
Previously, the major kernel version tracked the minor macOS release
(with a -4 offset). So macOS 10.13 is darwin17, 10.15 is darwin19, etc.
The minor kernel version mostly tracked point updates for a particular
macOS (darwin19.5.0 was 10.15.5, but darwin19.5.6 is both 10.15.6 and
10.15.7).
BigSur 11.0 is darwin20.1.0. So the -4 offset no longer held and we
added a conditional to use a -20 offset when translating the kernel
version to the macOS release.
But BigSur 11.1 is darwin20.2.0. Apple is now using the kernel minor
version to track macOS minor versions. And macOS minor versions are more
frequent than in the past. In the 10.X series, they came annually (High
Sierra, Mojave, Catalina, etc). Now they're coming ~ monthly.
We're not going to be able to keep making new dists and releases with
every BigSur minor release. Apple seems to be thinking that BigSur minor
releases are like 10.X point releases (11.2 is really like 10.16.2).
I'm testing a solution that adds a new function
Services.pm::get_kernel_vers_minor() that returns the kernel minor
version, and then instead of mapping darwin20 to 11.(kernel_vers-20), we
do 11.(kernel_vers_minor-1).
This seems to rescue an existing fink install from 11.0 that got
upgraded to 11.1, but bootstrap fails.
I've submitted this patch to TheSin's dpkg1.16 branch. It deals with the
new way that Apple seems to be tracking darwin version to macOS version.
https://github.com/TheSin-/fink/pull/6/commits/193bad7ce8c8b7b481881f044778307bf2527d2d
Hanspeter
--
"If we knew what it was we were doing, it would not be called
research, would it?"
--Albert Einstein
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