Add script to perform parallel builds. (#12497)

Co-authored-by: Erovia <Erovia@users.noreply.github.com>

1 files changed, 75 insertions, 0 deletions

diff --git a/lib/python/qmk/cli/multibuild.py b/lib/python/qmk/cli/multibuild.py
new file mode 100755
index 0000000000..1f3a097704
--- /dev/null
+++ b/lib/python/qmk/cli/multibuild.py
@@ -0,0 +1,75 @@
+"""Compile all keyboards.
+
+This will compile everything in parallel, for testing purposes.
+"""
+import re
+from pathlib import Path
+
+from milc import cli
+
+from qmk.constants import QMK_FIRMWARE
+from qmk.commands import _find_make
+import qmk.keyboard
+
+
+def _make_rules_mk_filter(key, value):
+    def _rules_mk_filter(keyboard_name):
+        rules_mk = qmk.keyboard.rules_mk(keyboard_name)
+        return True if key in rules_mk and rules_mk[key].lower() == str(value).lower() else False
+    return _rules_mk_filter
+
+
+def _is_split(keyboard_name):
+    rules_mk = qmk.keyboard.rules_mk(keyboard_name)
+    return True if 'SPLIT_KEYBOARD' in rules_mk and rules_mk['SPLIT_KEYBOARD'].lower() == 'yes' else False
+
+
+@cli.argument('-j', '--parallel', type=int, default=1, help="Set the number of parallel make jobs to run.")
+@cli.argument('-c', '--clean', arg_only=True, action='store_true', help="Remove object files before compiling.")
+@cli.argument('-f', '--filter', arg_only=True, action='append', default=[], help="Filter the list of keyboards based on the supplied value in rules.mk. Supported format is 'SPLIT_KEYBOARD=yes'. May be passed multiple times.")
+@cli.subcommand('Compile QMK Firmware for all keyboards.', hidden=False if cli.config.user.developer else True)
+def multibuild(cli):
+    """Compile QMK Firmware against all keyboards.
+    """
+
+    make_cmd = _find_make()
+    if cli.args.clean:
+        cli.run([make_cmd, 'clean'], capture_output=False, text=False)
+
+    builddir = Path(QMK_FIRMWARE) / '.build'
+    makefile = builddir / 'parallel_kb_builds.mk'
+
+    keyboard_list = qmk.keyboard.list_keyboards()
+
+    filter_re = re.compile(r'^(?P<key>[A-Z0-9_]+)\s*=\s*(?P<value>[^#]+)$')
+    for filter_txt in cli.args.filter:
+        f = filter_re.match(filter_txt)
+        if f is not None:
+            keyboard_list = filter(_make_rules_mk_filter(f.group('key'), f.group('value')), keyboard_list)
+
+    keyboard_list = list(sorted(keyboard_list))
+
+    if len(keyboard_list) == 0:
+        return
+
+    builddir.mkdir(parents=True, exist_ok=True)
+    with open(makefile, "w") as f:
+        for keyboard_name in keyboard_list:
+            keyboard_safe = keyboard_name.replace('/', '_')
+            f.write(
+                f"""\
+all: {keyboard_safe}_binary
+{keyboard_safe}_binary:
+	@rm -f "{QMK_FIRMWARE}/.build/failed.log.{keyboard_safe}" || true
+	+@$(MAKE) -C "{QMK_FIRMWARE}" -f "{QMK_FIRMWARE}/build_keyboard.mk" KEYBOARD="{keyboard_name}" KEYMAP="default" REQUIRE_PLATFORM_KEY= COLOR=true SILENT=false \\
+		>>"{QMK_FIRMWARE}/.build/build.log.{keyboard_safe}" 2>&1 \\
+		|| cp "{QMK_FIRMWARE}/.build/build.log.{keyboard_safe}" "{QMK_FIRMWARE}/.build/failed.log.{keyboard_safe}"
+	@{{ grep '\[ERRORS\]' "{QMK_FIRMWARE}/.build/build.log.{keyboard_safe}" >/dev/null 2>&1 && printf "Build %-64s \e[1;31m[ERRORS]\e[0m\\n" "{keyboard_name}:default" ; }} \\
+		|| {{ grep '\[WARNINGS\]' "{QMK_FIRMWARE}/.build/build.log.{keyboard_safe}" >/dev/null 2>&1 && printf "Build %-64s \e[1;33m[WARNINGS]\e[0m\\n" "{keyboard_name}:default" ; }} \\
+		|| printf "Build %-64s \e[1;32m[OK]\e[0m\\n" "{keyboard_name}:default"
+	@rm -f "{QMK_FIRMWARE}/.build/build.log.{keyboard_safe}" || true
+
+""" # noqa: yapf should not care about the formatting of the Makefile
+            )
+
+    cli.run([make_cmd, '-j', str(cli.args.parallel), '-f', makefile, 'all'], capture_output=False, text=False)