The call to `format-spec` at the end of `spacemacs/title-prepare` creates
a temporary buffer which invokes `buffer-list-update-hook`. This in turn is
caught by treemacs' follow-mode and can lead to an action that requires a
recalculation of the frame-title, which again creates a new temp-buffer, and
so on.
The result is that in some situations Emacs will put full load on a CPU
core while it is idle (though the UI does remain responsive). The disabling
of the hook for the calculation of the frame title prevents this feedback
loop from forming.
See also https://debbugs.gnu.org/db/34/34765.htmlFixes#12387
Commit 1c4f685b13 replaced
configuration-layer--layers (a list of cfgl-layer objects) with
configuration-layer--used-layers (a list of symbols). It also changed the
configuration-layer/insert-lazy-install-configuration function to use the
new variable, but it did not change the sort predicate. Consequently, the
function started failing:
Wrong type argument: listp, spacemacs-purpose
In addition, because sort is destructive, the function also deleted values
from configuration-layer--used-layers.
This commit fixes the sort predicate so that the function returns the
correct value, and it copies the list before sorting to avoid modifying
configuration-layer--used-layers.
* core/core-configuration-layer.el
(configuration-layer/insert-lazy-install-configuration): Use string<
as the sort predicate, and give sort a copy of the list.
The line in the Spacemacs home buffer that shows the Spacemacs version, Emacs
version and the Spacemacs distribution, for example: "0.300.0@26.1 (spacemacs)"
were tied to the banner. The line disappeared when the banner was hidden.
Fixes a bug where saving a custom variable (e.g. package-selected-packages)
before reading the custom settings from dotspacemacs/emacs-custom-settings could
overwrite the stored settings.
spacemacs/title-prepare is being called on every frame re-display, so
eager evaluation of values for every possible format specifier can be too
expensive. For example projectile-project-name is very slow in TRAMP buffers.
`SPC f e f` key binding is no more present, so moved that table entry to
`SPC h f` in DOCUMENTATION.org.
corrected description of paste transient-state behavior.
Lexical binding is easier to reason about and it's generally recommended for new code. It's faster too.
Dynamic scoping can lead to tricky situations. Example: https://emacs.stackexchange.com/questions/10394/scope-in-lambda
This probably won't break existing code. Most people don't even know the default is dynamic binding.
Since bash will source different files depending on its mode, for instance
login vs. non-login shells, we fetch the env vars from both a login shell and
an interactive non-login shell. We try to cleanup the resulting file by removing
duplicates, sorting env vars etc...
