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Finish the wonderland: System told truthfully, in eight tabs instead of ten

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Claude-Session: https://claude.ai/code/session_01Ms2FbjQy31TVf3CEvQhGM8
This commit is contained in:
Gabriel Brown
2026-08-24 23:31:52 -04:00
parent 9ffaf45a4d
commit be0e55214b
57 changed files with 5040 additions and 925 deletions
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config/dot/quickshell/scripts/panama-updates
+262 -23
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@@ -15,7 +15,10 @@ updater does, instead of pretending the number is live.
panama-updates snapshot
panama-updates check
panama-updates apply dnf|flatpak|firmware
panama-updates apply flatpak <app-id>
panama-updates changelog dnf|flatpak|firmware <name>
panama-updates set-auto-flatpak true|false
panama-updates set-auto-dnf true|false
"""
from __future__ import annotations
@@ -30,10 +33,22 @@ import sys
import time
from pathlib import Path
# The user timer this ships for keeping applications current. dnf has no
# equivalent here because dnf-automatic is not installed, and installing
# software is not this script's job.
# The two unattended-update timers this machine can have. The flatpak one is
# Panama's own user timer; the dnf one is dnf5-automatic's system timer, which
# ships with dnf5 and downloads without installing. Both are only ever enabled
# or disabled -- installing software is not this script's job, so a timer that
# is not present is reported as unavailable rather than offered.
FLATPAK_TIMER = "panama-flatpak-update.timer"
DNF_TIMER = "dnf5-automatic.timer"
# Package and application names reach a subprocess as argv, never a shell. They
# are still constrained: rpm names and flatpak application IDs both live well
# inside this, and anything outside it is not a name either source would emit.
NAME_PATTERN = re.compile(r"^[A-Za-z0-9][A-Za-z0-9._+-]{0,127}$")
# How much changelog text is worth carrying into a settings expander. Beyond
# this it stops being something anybody reads and starts being a scroll.
CHANGELOG_LIMIT = 6000
# Anything carrying an advisory of these severities is reported as a security
# fix. "none" is excluded deliberately: an advisory with no severity is a
@@ -103,6 +118,30 @@ def kernel_state() -> dict:
}
def dnf_download_sizes() -> dict[str, int]:
"""Bytes to fetch per pending package, straight from the repo metadata.
`dnf5 repoquery --queryformat` is the only place dnf5 reports this as a
number rather than as a rendered "172.9 MiB". A repo it cannot reach, or a
format it renders differently one day, yields nothing at all -- the size is
a nicety, and a wrong size is worse than no size.
"""
result = run(["dnf5", "repoquery", "--upgrades",
"--queryformat", "%{name} %{downloadsize}\\n"], timeout=180)
if result.returncode != 0:
return {}
sizes: dict[str, int] = {}
for line in result.stdout.splitlines():
parts = line.split()
if len(parts) != 2:
continue
try:
sizes[parts[0]] = int(parts[1])
except ValueError:
continue
return sizes
def dnf_updates() -> dict:
if not shutil.which("dnf5"):
return {"available": False, "count": 0, "packages": [], "securityCount": 0}
@@ -131,24 +170,74 @@ def dnf_updates() -> dict:
except json.JSONDecodeError:
security = 0
sizes = dnf_download_sizes() if packages else {}
for package in packages:
if package["name"] in sizes:
package["bytes"] = sizes[package["name"]]
packages.sort(key=lambda item: item["name"])
return {"available": True, "count": len(packages), "packages": packages,
"securityCount": security}
source = {"available": True, "count": len(packages), "packages": packages,
"securityCount": security}
# Only when every pending package was priced. A partial total reads as the
# whole download and would understate it, which is the direction that
# surprises somebody on a metered connection.
if packages and all("bytes" in package for package in packages):
source["downloadBytes"] = sum(package["bytes"] for package in packages)
return source
def human_bytes(text: str) -> int:
"""flatpak's "36.2 MB" back into a number, or 0 when it is not one.
flatpak has no machine-readable size: its --json output omits the column
entirely, so the rendered string is the only source there is. Parsed with
the decimal units flatpak actually prints, and zero on anything else.
"""
match = re.match(r"^\s*([0-9]+(?:\.[0-9]+)?)\s*([kMGT]?B)\s*$", text)
if not match:
return 0
scale = {"B": 1, "kB": 10 ** 3, "MB": 10 ** 6, "GB": 10 ** 9, "TB": 10 ** 12}
return int(float(match.group(1)) * scale[match.group(2)])
def flatpak_updates() -> dict:
if not shutil.which("flatpak"):
return {"available": False, "count": 0, "applications": []}
result = run(["flatpak", "remote-ls", "--updates", "--columns=application,version"],
timeout=120)
result = run(["flatpak", "remote-ls", "--updates",
"--columns=application,version,origin,download-size"], timeout=120)
applications = []
if result.returncode == 0:
for line in result.stdout.splitlines():
parts = [part.strip() for part in line.split("\t")]
if parts and parts[0]:
applications.append({"id": parts[0],
"version": parts[1] if len(parts) > 1 else ""})
return {"available": True, "count": len(applications), "applications": applications}
if not parts or not parts[0]:
continue
application = {"id": parts[0],
"version": parts[1] if len(parts) > 1 else "",
"origin": parts[2] if len(parts) > 2 else ""}
size = human_bytes(parts[3]) if len(parts) > 3 else 0
if size:
application["bytes"] = size
applications.append(application)
source = {"available": True, "count": len(applications), "applications": applications}
if applications and all("bytes" in application for application in applications):
source["downloadBytes"] = sum(application["bytes"] for application in applications)
return source
def strip_markup(text: str) -> str:
"""fwupd release notes are a small AppStream XML dialect, not prose.
Paragraphs and list items become lines; everything else is dropped. Doing
this here rather than in the page keeps the helper's answer plain text, the
same shape the dnf and flatpak paths return.
"""
if not text.strip():
return ""
text = re.sub(r"</p>|</li>", "\n", text)
text = re.sub(r"<li>", "• ", text)
text = re.sub(r"<[^>]+>", "", text)
lines = [line.strip() for line in text.splitlines()]
return "\n".join(line for line in lines if line)
def firmware_updates() -> dict:
@@ -160,13 +249,20 @@ def firmware_updates() -> dict:
payload = json.loads(result.stdout or "{}")
for device in payload.get("Devices", []):
releases = device.get("Releases", [])
devices.append({
entry = {
"name": str(device.get("Name", "Unknown device")),
"version": str(device.get("Version", "")),
"target": str(releases[0].get("Version", "")) if releases else "",
# Firmware that needs a reboot to flash is worth saying up front.
"needsReboot": "needs-reboot" in json.dumps(device.get("Flags", [])),
})
}
# fwupd already has the vendor's release notes in hand, so they are
# kept here rather than re-fetched: the changelog for firmware costs
# nothing beyond the scan that found the update.
notes = strip_markup(str(releases[0].get("Description", ""))) if releases else ""
if notes:
entry["changelog"] = notes[:CHANGELOG_LIMIT]
devices.append(entry)
except json.JSONDecodeError:
pass
return {"available": True, "count": len(devices), "devices": devices}
@@ -174,12 +270,13 @@ def firmware_updates() -> dict:
def automatic_state() -> dict:
flatpak_timer = run(["systemctl", "--user", "is-enabled", FLATPAK_TIMER], timeout=20)
dnf_timer = run(["systemctl", "is-enabled", "dnf5-automatic.timer"], timeout=20)
dnf_timer = run(["systemctl", "is-enabled", DNF_TIMER], timeout=20)
return {
"flatpakEnabled": flatpak_timer.stdout.strip() == "enabled",
"flatpakAvailable": flatpak_timer.stdout.strip() not in ("", "not-found"),
# Reported, never offered: dnf-automatic is a package this machine does
# not have, and installing software is not a settings action.
# Offered when the timer exists, reported as unavailable when it does
# not. See set_auto_dnf for what enabling it actually does -- it
# downloads, it does not install.
"dnfAutomaticEnabled": dnf_timer.stdout.strip() == "enabled",
"dnfAutomaticAvailable": dnf_timer.stdout.strip() not in ("", "not-found"),
}
@@ -226,11 +323,22 @@ def take_restore_point(reason: str) -> str:
return result.stdout.strip() if result.returncode == 0 else ""
def apply(source: str) -> dict:
def apply(source: str, target: str = "") -> dict:
if source == "flatpak":
if not shutil.which("flatpak"):
raise BoundaryError("Flatpak is not installed.")
result = run(["flatpak", "update", "-y", "--noninteractive"], timeout=3600)
command = ["flatpak", "update", "-y", "--noninteractive"]
if target:
# One application, by ID. Checked against the IDs the last scan
# actually found rather than passed through: this is the only verb
# that takes a name from the page, and the page is not the
# authority on what is pending.
pending = {str(entry.get("id", ""))
for entry in read_cache().get("flatpak", {}).get("applications", [])}
if target not in pending:
raise BoundaryError("That application does not have an update waiting.")
command.append(target)
result = run(command, timeout=3600)
if result.returncode != 0:
raise BoundaryError(_refusal(result, "The applications could not be updated."))
return {"restorePoint": ""}
@@ -257,6 +365,115 @@ def apply(source: str) -> dict:
raise BoundaryError("That is not an update source.")
def dnf_changelog(name: str) -> dict:
"""The best text dnf5 will actually give for one pending package.
Two sources, in the order a person cares about them. An advisory says why
the update exists and what it fixes, which is the answer when there is one.
Failing that, the rpm changelog DELTA -- `--upgrades` prints only entries
newer than what is installed, which is exactly the question being asked and
not the package's whole history.
Plenty of packages have neither. Third-party repos routinely ship with no
changelog at all, and dnf5 answers that with a header and nothing under it.
Saying so is the honest result, not a failure.
"""
advisory = run(["dnf5", "advisory", "info", "--json", "--updates",
f"--contains-pkgs={name}"], timeout=180)
if advisory.returncode == 0:
try:
entries = json.loads(advisory.stdout or "[]")
except json.JSONDecodeError:
entries = []
blocks = []
for entry in entries if isinstance(entries, list) else []:
heading = " · ".join(part for part in (
str(entry.get("Name", "")).strip(),
str(entry.get("Type", "")).strip().title(),
str(entry.get("Severity", "")).strip(),
) if part)
body = "\n".join(part for part in (
str(entry.get("Title", "")).strip(),
str(entry.get("Description", "")).strip(),
) if part)
if heading or body:
blocks.append((heading + "\n" + body).strip())
if blocks:
return {"kind": "advisory", "text": "\n\n".join(blocks)[:CHANGELOG_LIMIT]}
result = run(["dnf5", "changelog", "--upgrades", name], timeout=180)
if result.returncode == 0:
# dnf5 prints "Listing only new changelogs..." and "Changelogs for
# <nevra>" before the entries. Both are dnf talking about itself.
lines = [line for line in result.stdout.splitlines()
if not line.startswith(("Listing only ", "Changelogs for "))]
text = "\n".join(lines).strip()
if text:
return {"kind": "changelog", "text": text[:CHANGELOG_LIMIT]}
return {"kind": "none", "text": "This package publishes no changelog for the update."}
def flatpak_changelog(name: str) -> dict:
"""Whatever the remote already has cached, and nothing more.
`flatpak remote-info --log` without --cached is an ostree history walk
against the network, which is far too much work for an expander somebody
clicked. With --cached it answers from metadata already on disk, and most
remotes have nothing there -- Flathub's commit history is not part of the
summary. Absence is reported as absence.
"""
origin = ""
for entry in read_cache().get("flatpak", {}).get("applications", []):
if str(entry.get("id", "")) == name:
origin = str(entry.get("origin", ""))
break
if not origin:
listed = run(["flatpak", "list", "--app", "--columns=application,origin"], timeout=60)
for line in listed.stdout.splitlines():
parts = [part.strip() for part in line.split("\t")]
if len(parts) > 1 and parts[0] == name:
origin = parts[1]
break
if not origin or not NAME_PATTERN.match(origin):
return {"kind": "none", "text": "This application publishes no release notes."}
result = run(["flatpak", "remote-info", "--cached", "--log", origin, name], timeout=90)
if result.returncode == 0:
history = result.stdout.partition("History:")[2].strip()
if history:
return {"kind": "changelog", "text": history[:CHANGELOG_LIMIT]}
return {"kind": "none", "text": "This application publishes no release notes."}
def firmware_changelog(name: str) -> dict:
for device in read_cache().get("firmware", {}).get("devices", []):
if str(device.get("name", "")) == name:
notes = str(device.get("changelog", "")).strip()
if notes:
return {"kind": "changelog", "text": notes[:CHANGELOG_LIMIT]}
break
return {"kind": "none", "text": "This firmware update ships no release notes."}
def changelog(source: str, name: str) -> dict:
if not NAME_PATTERN.match(name):
raise BoundaryError("That is not a name this machine would have produced.")
if source == "dnf":
if not shutil.which("dnf5"):
raise BoundaryError("dnf is not installed.")
result = dnf_changelog(name)
elif source == "flatpak":
if not shutil.which("flatpak"):
raise BoundaryError("Flatpak is not installed.")
result = flatpak_changelog(name)
elif source == "firmware":
result = firmware_changelog(name)
else:
raise BoundaryError("That is not an update source.")
return {"source": source, "name": name, **result, "error": ""}
def set_auto_dnf(enabled: bool) -> None:
"""Enable the packaging timer, which DOWNLOADS updates but does not apply them.
@@ -269,7 +486,7 @@ def set_auto_dnf(enabled: bool) -> None:
if not state["dnfAutomaticAvailable"]:
raise BoundaryError("Automatic package updates are not installed.")
action = ["enable", "--now"] if enabled else ["disable", "--now"]
result = run(["pkexec", "systemctl", *action, "dnf5-automatic.timer"], timeout=120)
result = run(["pkexec", "systemctl", *action, DNF_TIMER], timeout=120)
if result.returncode != 0:
raise BoundaryError(_refusal(result, "Automatic package updates could not be changed."))
@@ -383,13 +600,24 @@ def main(arguments: list[str]) -> int:
check()
print(json.dumps(snapshot(), separators=(",", ":")))
return 0
if len(arguments) == 2 and arguments[0] == "apply":
outcome = apply(arguments[1])
# Changelogs answer on their own, not folded into a snapshot: this is
# the one verb whose reply is about a single package, and putting it
# inside the state blob would make every reader guess which package it
# was talking about.
if len(arguments) == 3 and arguments[0] == "changelog":
print(json.dumps(changelog(arguments[1], arguments[2]),
separators=(",", ":")))
return 0
if len(arguments) in (2, 3) and arguments[0] == "apply":
target = arguments[2] if len(arguments) == 3 else ""
if target and arguments[1] != "flatpak":
raise BoundaryError("Only applications can be updated one at a time.")
outcome = apply(arguments[1], target)
# Re-check, so the page reflects what is actually left rather than
# assuming the update cleared everything it listed.
check()
state = snapshot()
state["applied"] = {"source": arguments[1], **outcome}
state["applied"] = {"source": arguments[1], "target": target, **outcome}
print(json.dumps(state, separators=(",", ":")))
return 0
if len(arguments) == 2 and arguments[0] == "set-auto-flatpak":
@@ -398,9 +626,20 @@ def main(arguments: list[str]) -> int:
set_auto_dnf(arguments[1] == "true")
else:
raise BoundaryError(
"Usage: panama-updates snapshot | check | apply dnf|flatpak|firmware | "
"Usage: panama-updates snapshot | check | history | "
"apply dnf|flatpak|firmware [app-id] | "
"changelog dnf|flatpak|firmware NAME | "
"set-auto-flatpak true|false | set-auto-dnf true|false")
except BoundaryError as error:
# A failed changelog answers in the changelog's own shape. Returning a
# whole state blob here would hand the caller a payload with no text
# field at all, which reads as "no changelog" rather than as a refusal.
if arguments[:1] == ["changelog"]:
print(json.dumps({"source": arguments[1] if len(arguments) > 1 else "",
"name": arguments[2] if len(arguments) > 2 else "",
"kind": "none", "text": "", "error": str(error)},
separators=(",", ":")))
return 0
state = snapshot()
state["error"] = str(error)
print(json.dumps(state, separators=(",", ":")))