Drop support for Emacs 26

Update makem.

.github/workflows/test.yml

@@ -41,8 +41,9 @@ jobs:
  fail-fast: false
  matrix:
  emacs_version:
- - 26.3
  - 27.1
+ - 28.1
+ - 29.1
  - snapshot
  steps:
  - uses: purcell/setup-emacs@master

makem.sh

@@ -3,7 +3,7 @@
 # * makem.sh --- Script to aid building and testing Emacs Lisp packages
 
 # URL: https://github.com/alphapapa/makem.sh
-# Version: 0.6-pre
+# Version: 0.7-pre
 
 # * Commentary:
 
@@ -112,6 +112,12 @@ Source files are automatically discovered from git, or may be
 specified with options. Package dependencies are discovered from
 "Package-Requires" headers in source files, from -pkg.el files, and
 from a Cask file.
+
+Checkdoc's spell checker may not recognize some words, causing the
+`lint-checkdoc' rule to fail. Custom words can be added in file-local
+or directory-local variables using the variable
+`ispell-buffer-session-localwords', which should be set to a list of
+strings.
 EOF
 }
 
@@ -177,6 +183,7 @@ function elisp-checkdoc-file {
  (setq makem-checkdoc-errors-p t)
  ;; Return nil because we *are* generating a buffered list of errors.
  nil))))
+ (put 'ispell-buffer-session-localwords 'safe-local-variable #'list-of-strings-p)
  (mapcar #'checkdoc-file files)
  (when makem-checkdoc-errors-p
  (kill-emacs 1))))
@@ -379,6 +386,36 @@ function byte-compile-file {
 
 # ** Files
 
+function submodules {
+ # Echo a list of submodules's paths relative to the repo root.
+ # TODO: Parse with bash regexp instead of cut.
+ git submodule status | awk '{print $2}'
+}
+
+function project-root {
+ # Echo the root of the project (or superproject, if running from
+ # within a submodule).
+ root_dir=$(git rev-parse --show-superproject-working-tree)
+ [[ $root_dir ]] || root_dir=$(git rev-parse --show-toplevel)
+ [[ $root_dir ]] || error "Can't find repo root."
+
+ echo "$root_dir"
+}
+
+function files-project {
+ # Return a list of files in project; or with $1, files in it
+ # matching that pattern. Excludes submodules.
+ [[ $1 ]] && pattern="/$1" || pattern="."
+
+ local excludes
+ for submodule in $(submodules)
+ do
+ excludes+=(":!:$submodule")
+ done
+
+ git ls-files -- "$pattern" "${excludes[@]}"
+}
+
 function dirs-project {
  # Echo list of directories to be used in load path.
  files-project-feature | dirnames
@@ -387,7 +424,7 @@ function dirs-project {
 
 function files-project-elisp {
  # Echo list of Elisp files in project.
- git ls-files 2>/dev/null \
+ files-project 2>/dev/null \
  | egrep "\.el$" \
  | filter-files-exclude-default \
  | filter-files-exclude-args
@@ -396,13 +433,13 @@ function files-project-elisp {
 function files-project-feature {
  # Echo list of Elisp files that are not tests and provide a feature.
  files-project-elisp \
- | egrep -v "$test_files_regexp" \
+ | grep -E -v "$test_files_regexp" \
  | filter-files-feature
 }
 
 function files-project-test {
  # Echo list of Elisp test files.
- files-project-elisp | egrep "$test_files_regexp"
+ files-project-elisp | grep -E "$test_files_regexp"
 }
 
 function dirnames {
@@ -415,7 +452,7 @@ function dirnames {
 
 function filter-files-exclude-default {
  # Filter out paths (STDIN) which should be excluded by default.
- egrep -v "(/\.cask/|-autoloads.el|.dir-locals)"
+ grep -E -v "(/\.cask/|-autoloads.el|.dir-locals)"
 }
 
 function filter-files-exclude-args {
@@ -441,7 +478,7 @@ function filter-files-feature {
  # Read paths on STDIN and echo ones that (provide 'a-feature).
  while read path
  do
- egrep "^\\(provide '" "$path" &>/dev/null \
+ grep -E "^\\(provide '" "$path" &>/dev/null \
  && echo "$path"
  done
 }
@@ -489,7 +526,7 @@ function ert-tests-p {
 
 function package-main-file {
  # Echo the package's main file.
- file_pkg=$(git ls-files ./*-pkg.el 2>/dev/null)
+ file_pkg=$(files-project "*-pkg.el" 2>/dev/null)
 
  if [[ $file_pkg ]]
  then
@@ -512,23 +549,23 @@ function dependencies {
 
  # Search package headers. Use -a so grep won't think that an Elisp file containing
  # control characters (rare, but sometimes necessary) is binary and refuse to search it.
- egrep -a -i '^;; Package-Requires: ' $(files-project-feature) $(files-project-test) \
- | egrep -o '\([^([:space:]][^)]*\)' \
- | egrep -o '^[^[:space:])]+' \
+ grep -E -a -i '^;; Package-Requires: ' $(files-project-feature) $(files-project-test) \
+ | grep -E -o '\([^([:space:]][^)]*\)' \
+ | grep -E -o '^[^[:space:])]+' \
  | sed -r 's/\(//g' \
- | egrep -v '^emacs$' # Ignore Emacs version requirement.
+ | grep -E -v '^emacs$' # Ignore Emacs version requirement.
 
  # Search Cask file.
  if [[ -r Cask ]]
  then
- egrep '\(depends-on "[^"]+"' Cask \
+ grep -E '\(depends-on "[^"]+"' Cask \
  | sed -r -e 's/\(depends-on "([^"]+)".*/\1/g'
  fi
 
  # Search -pkg.el file.
- if [[ $(git ls-files ./*-pkg.el 2>/dev/null) ]]
+ if [[ $(files-project "*-pkg.el" 2>/dev/null) ]]
  then
- sed -nr 's/.*\(([-[:alnum:]]+)[[:blank:]]+"[.[:digit:]]+"\).*/\1/p' $(git ls-files ./*-pkg.el 2>/dev/null)
+ sed -nr 's/.*\(([-[:alnum:]]+)[[:blank:]]+"[.[:digit:]]+"\).*/\1/p' $(files-project- -- -pkg.el 2>/dev/null)
  fi
 }
 
@@ -1193,6 +1230,9 @@ paths_temp+=("$package_initialize_file")
 
 trap cleanup EXIT INT TERM
 
+# Change to project root directory first.
+cd "$(project-root)"
+
 # Discover project files.
 files_project_feature=($(files-project-feature))
 files_project_test=($(files-project-test))