Bernardo Magri
1e1d568947
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Hyprland 0.55 renamed the effect; stayfocused 1 → invalid field type on line 158 (polkit rules). Keep float/center/workspace current.
78 lines
3.1 KiB
Python
Executable File
78 lines
3.1 KiB
Python
Executable File
#!/usr/bin/env python3
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"""Hyprland windowrule dead-syntax guard (flake check `windowrule-syntax`).
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Usage: check-windowrule-syntax.py <hyprland.conf>
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Hyprland 0.53 rewrote window rules (hyprlang `handleWindowrule`): the
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`windowrulev2` keyword is a hard error, and the old rule-first order
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(`windowrule = float, class:^…$`) no longer parses. Both surface as a red
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config-error banner on every session start and silently drop the rules
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(fixed in ed7fd93). The current, correct grammar is
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`windowrule = <effect> <value>, match:<prop> ^…$` — e.g.
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`windowrule = float 1, match:class ^…$`.
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This guards the GENERATED hyprland.conf against a regression to the dead
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syntax, catching three markers:
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1. the `windowrulev2` keyword anywhere;
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2. rule-first order — an effect keyword directly followed by a comma
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(`windowrule = float, …` / `center, …` / `size, …`), i.e. no value;
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3. a bare `<prop>:` matcher (`class:`, `title:`, …) instead of the
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`match:<prop>` form — this also catches an effect that DOES carry a
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value but kept the old matcher (`size 60% 65%, class:^…$`).
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The current correct config must PASS; any of the above must FAIL.
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"""
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import re
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import sys
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conf = sys.argv[1]
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lines = open(conf).read().splitlines()
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# Effect keywords that in the dead grammar sat directly before the comma.
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# Effect keywords that in the dead grammar sat directly before the comma.
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# Hyprland 0.55 renames: stayfocused → stay_focused (underscore). Keep the
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# old name in the dead-grammar list so a regression to bare `stayfocused,`
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# still fails the check.
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EFFECTS = (
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"float", "center", "tile", "pin", "fullscreen", "maximize",
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"size", "move", "opacity", "workspace", "monitor", "fullscreenstate",
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"group", "stayfocused", "stay_focused", "pseudo", "immediate",
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)
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rule_first = re.compile(
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r"windowrule\s*=\s*(?:" + "|".join(EFFECTS) + r")\s*,"
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)
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# A window-property matcher written the old (colon-suffixed) way. The new
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# grammar spells these `match:class …` — "class" is then followed by a
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# space, never a colon — so a bare `class:`/`title:` only ever appears in
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# the dead form.
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bare_matcher = re.compile(
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r"\b(?:initialclass|initialtitle|class|title|tag|xwayland|floating)\s*:",
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re.IGNORECASE,
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)
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failures = []
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for n, line in enumerate(lines, 1):
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stripped = line.strip()
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if stripped.startswith("#"):
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continue
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if "windowrulev2" in line:
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failures.append((n, "dead `windowrulev2` keyword", stripped))
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continue
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if not re.match(r"\s*windowrule\s*=", line):
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continue
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if rule_first.search(line):
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failures.append((n, "rule-first order (effect directly before comma)", stripped))
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if bare_matcher.search(line):
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failures.append((n, "bare `<prop>:` matcher — expected `match:<prop>`", stripped))
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if failures:
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print(f"windowrule-syntax: {len(failures)} dead-syntax rule(s) in {conf}")
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for n, why, text in failures:
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print(f" line {n}: {why}\n {text}")
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sys.exit(1)
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rules = sum(1 for l in lines if re.match(r"\s*windowrule\s*=", l))
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print(f"windowrule-syntax: {rules} windowrule line(s), all post-0.53 grammar")
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