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Use short ID as unit filename instead of timestamp

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Unit files are now named systab_<6-char-hex> (e.g., systab_a1b2c3),
so the ID is derived from the filename — no more SYSTAB_ID comments
in unit files, no id-to-jobname mappings in edit mode. Removes
generate_job_name, get_job_id, get_job_by_id, ensure_job_id.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Matthias Johnson 2026-02-14 00:22:51 -07:00
parent b7e6a77ef5
commit 5e961d70f4
2 changed files with 24 additions and 112 deletions
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4
CLAUDE.md
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@ -4,7 +4,7 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co
## Overview
`systab` is a single-file Bash script that provides a cron/at/batch-like interface for systemd user timers. It creates, manages, and cleans up systemd `.service` and `.timer` unit files in `~/.config/systemd/user/`. Managed units are tagged with a `# SYSTAB_MANAGED` marker comment and a `# SYSTAB_ID=<hex>` short ID for human-friendly identification.
`systab` is a single-file Bash script that provides a cron/at/batch-like interface for systemd user timers. It creates, manages, and cleans up systemd `.service` and `.timer` unit files in `~/.config/systemd/user/`. Managed units are tagged with a `# SYSTAB_MANAGED` marker comment. Unit filenames use a 6-char hex ID (e.g., `systab_a1b2c3.timer`) which doubles as the human-facing job identifier.
## Running
@ -26,7 +26,7 @@ The script has two modes controlled by CLI flags:
- `-S`: Show timer status via `systemctl`, including short IDs.
- `-C`: Interactively clean up elapsed one-time timers (removes unit files from disk).
Key functions: `parse_time` (time spec → OnCalendar), `create_job` (generates unit files), `edit_jobs` (crontab-style edit with diff-and-apply), `get_managed_services`/`get_managed_timers` (find tagged units), `ensure_job_id` (auto-assign IDs to legacy jobs), `clean_jobs` (remove elapsed one-time timers).
Key functions: `parse_time` (time spec → OnCalendar), `create_job` (generates unit files), `edit_jobs` (crontab-style edit with diff-and-apply), `get_managed_services`/`get_managed_timers` (find tagged units), `clean_jobs` (remove elapsed one-time timers).
## Testing