Joakim Persson
720245e010
Ship a launchd user agent plist alongside the existing systemd and
cron templates so macOS users can schedule mempalace-session without
falling back to cron. launchd is the macOS-native equivalent of a
systemd user timer: same scheduling model, same log conventions, same
single-instance guarantees.
- contrib/launchd/se.jordbo.mempalace-session.plist:
- Label uses reverse-DNS from the jordbo.se domain for consistency
with other user-installed launchd jobs; fork the prefix if reusing
this template in a different org.
- ProgramArguments points at /Users/USER/.local/bin/mempalace-session
(USER is substituted at install time, same pattern as
contrib/cron/).
- EnvironmentVariables.PATH covers ~/.local/bin, Apple Silicon
Homebrew, Intel Homebrew, and system defaults — launchd agents
get a minimal PATH by default and the wrapper needs to find
mempalace + python3.
- StartCalendarInterval matches systemd unit's schedule: Monday
03:00 local.
- RunAtLoad=false — load shouldn't trigger a run; schedule does.
- ProcessType=Background + LowPriorityIO=true + Nice=10 mirror
the systemd unit's Nice=10 + IOSchedulingClass=idle. macOS's
automatic App Nap and resource throttling for Background jobs
yields to interactive work cleanly.
- ExitTimeOut=7200 matches systemd's TimeoutStartSec=7200.
- StandardOut/ErrorPath under ~/Library/Logs/ so Console.app
surfaces them.
- contrib/README.md gains a full launchd section:
- Caveat table comparing to systemd (Persistent=true isn't quite
matched; RandomizedDelaySec has no equivalent; overlap prevention
is automatic).
- Install recipe using launchctl bootstrap (modern) with a fallback
note for legacy launchctl load -w on older macOS.
- Verify section shows launchctl list, launchctl print, log tails,
and launchctl kickstart for manual testing.
- Uninstall via launchctl bootout.
- Chooser table updated: macOS now explicitly points at launchd,
not cron.
- ARCHITECTURE.md §5, SKILL.md Quick automation pitch, and README.md
Keeping it fresh section all updated to mention the three scheduler
options and give per-platform quick-starts.
Plist XML validated with plistlib.
100 lines
4.1 KiB
Plaintext
100 lines
4.1 KiB
Plaintext
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN"
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"http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<!--
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se.jordbo.mempalace-session.plist — macOS launchd user agent
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that mines opencode session history into MemPalace weekly.
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Template: replace USER with your macOS short username before installing.
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The install recipe in contrib/README.md does this for you via `sed`.
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Parity with contrib/systemd/mempalace-session.{service,timer}:
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- Weekly Mon 03:00 local time → StartCalendarInterval below.
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- Low-priority background I/O → ProcessType=Background + LowPriorityIO.
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- "Fire on next wake if missed" → launchd fires StartCalendarInterval
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jobs as soon as the system is running past the scheduled time.
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(Close to systemd's Persistent=true, not identical: if the Mac is
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fully off at the scheduled time, the missed run is simply skipped.
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systemd with Persistent=true would catch up at next boot.)
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- Single-instance guard → launchd refuses to start a second copy of
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the same Label while one is running (equivalent to the systemd
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lock-file dance).
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- "Skip if opencode has never been used" → no native equivalent.
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mempalace-session exits cleanly (zero drawers filed, fast) when
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the DB is absent, so no guard is strictly needed. If you want a
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hard pre-check, wrap ProgramArguments in a shell that tests for
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~/Library/Application Support/opencode/opencode.db first.
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-->
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<key>Label</key>
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<string>se.jordbo.mempalace-session</string>
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<!-- Absolute path. Install.sh symlinks the wrapper here via cli_utils
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convention. If you installed mempalace-toolkit somewhere else,
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update this path accordingly. -->
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<key>ProgramArguments</key>
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<array>
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<string>/Users/USER/.local/bin/mempalace-session</string>
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</array>
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<!-- launchd gives agents a minimal PATH. Set one that includes the
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usual macOS locations for brew (Apple Silicon + Intel) plus the
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user's local bin. mempalace-session invokes `mempalace` and
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`python3`, both must resolve. -->
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<key>EnvironmentVariables</key>
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<dict>
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<key>PATH</key>
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<string>/Users/USER/.local/bin:/opt/homebrew/bin:/usr/local/bin:/usr/bin:/bin</string>
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<key>HOME</key>
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<string>/Users/USER</string>
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</dict>
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<!-- Weekly, Monday 03:00 local time. Edit to taste:
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Hour: 0-23 (24-hour)
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Minute: 0-59
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Weekday: 0 or 7 = Sunday, 1 = Monday, …, 6 = Saturday
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Omit a key to match "any". For example: daily 03:00 would use
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only Hour=3 + Minute=0, no Weekday key. -->
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<key>StartCalendarInterval</key>
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<dict>
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<key>Weekday</key>
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<integer>1</integer>
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<key>Hour</key>
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<integer>3</integer>
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<key>Minute</key>
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<integer>0</integer>
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</dict>
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<!-- Don't run the job just because the plist was loaded. Wait for
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the StartCalendarInterval trigger. -->
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<key>RunAtLoad</key>
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<false/>
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<!-- Background-priority scheduling (CPU + I/O). macOS App Nap and
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the resource-throttling machinery kick in for ProcessType=Background,
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so this job yields to interactive work automatically. -->
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<key>ProcessType</key>
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<string>Background</string>
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<key>LowPriorityIO</key>
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<true/>
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<key>Nice</key>
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<integer>10</integer>
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<!-- Runaway guard. Reference 60-session mine takes ~21 min; give 2h.
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If the process exceeds this, launchd kills it with SIGTERM then
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SIGKILL. Rare — only matters on pathologically large corpora. -->
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<key>ExitTimeOut</key>
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<integer>7200</integer>
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<!-- Logs. Tail with:
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tail -f ~/Library/Logs/mempalace-session.log
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Or view in Console.app under "Log Reports". -->
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<key>StandardOutPath</key>
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<string>/Users/USER/Library/Logs/mempalace-session.log</string>
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<key>StandardErrorPath</key>
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<string>/Users/USER/Library/Logs/mempalace-session.err.log</string>
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</dict>
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</plist>
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