ekklesiaandClaude Opus 5.5
7b4ac39cd2
Tiny Pebbles came through the 0.2.2 upgrade on Plasma's own purple wallpaper: its desktop was containment 10, made after the layout had run (most likely the television arriving after a night-time reboot), with no wallpaper configured. The look and feel's fallback could not catch it, because it named a file and Plasma only accepts a wallpaper package there. The fallback is now the EkklesiaClassroom package, whose one image links to the classroom's picture. classroom-desktop-wallpaper, run before every plasmashell start, writes the picture into every desktop containment the file already has: found by plugin, never by number; panels and everything else byte for byte; a file that is already right not written at all. Co-Authored-By: Claude Opus 5.5 <[email protected]>
25 lines
1.1 KiB
Plaintext
25 lines
1.1 KiB
Plaintext
# The panel is the only way a teacher has of getting anywhere, so it is
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# never allowed to stay dead.
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#
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# Plasma's own unit already restarts plasmashell on a crash, but it gives
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# up after three restarts in sixty seconds and the panel is then gone until
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# somebody reboots the room. That is measurably the failure a classroom
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# machine has already had once, with the old hand-written dock, which had
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# no supervision at all.
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#
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# Measured in the lab: with these four lines, plasmashell survived eight
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# consecutive SIGKILLs one second apart and came back every time in about
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# 2.4 seconds. Without them it was permanently gone on the third.
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[Unit]
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StartLimitIntervalSec=0
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[Service]
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Restart=always
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RestartSec=2
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# Every desktop the configuration already has gets the classroom's
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# wallpaper written into it, in the one moment the shell is not running to
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# own the file — at a login, and at every restart after a crash. See
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# classroom-desktop-wallpaper. The "-" is because a panel matters more than
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# a wallpaper: nothing that script can do is allowed to stop the shell.
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ExecStartPre=-/usr/local/bin/classroom-desktop-wallpaper
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