On 1/25/19 15:27 UTC, Neal Gompa wrote:
On Fri, Jan 25, 2019 at 10:17 AM Frantisek Zatloukal
<fzatlouk@xxxxxxxxxx> wrote:
Why is this Self-Contained Change and not a System Wide Change?
It seems, at least to me, that it should be System Wide Change, according to https://fedoraproject.org/wiki/Changes/Policy#Complex_system_wide_changes .
Is it really that complicated? It's just a readline bump and bash
itself getting bumped. From the Fedora perspective, it means we get to
drop a whole bunch of patches we were already carrying since they are
part of the 5.0 release.
Yes, it is that complicated. "git diff --stat bash-4.4 bash-5.0" shows
528 files changed, 81767 insertions(+), 63829 deletions(-)
in the 2 years and 3 months between releases. Some of the changes
are included in Fedora's bash-4.4.3-23.1 but some are not.
From the shell script language point of view, there is only one
notable backwards incompatible change: a behavior change to
namerefs, which are not commonly used at all.
Already bash-5.0 has two official patches in three weeks. The first one
fixes a bug in glob filename expansion. Use of globbing is almost universal,
but the test cases did not catch the bug before release of bash-5.0.
Often that is an indication that more bugs should be expected.
The risk may be large. *EVERY* Fedora package uses bash.
rpm .spec file sections such as %build, %install, %clean, %post use /bin/sh,
and Fedora links /bin/sh -> bash. That surely is "system-wide".
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