fix: installGitHook inside a worktree

[david-allison]

Note

Assisted-by: Claude Opus 4.7 - all

Purpose / Description

In a worktree, .git is a file

Fixes

• Fixes installGitHook fails inside a worktree #20952

Approach

• git rev-parse --git-path hooks

How Has This Been Tested?

• gradlew -p /Users/davidallison/StudioProjects/Anki-Android :AnkiDroid:installGitHook --rerun-tasks
• /Users/davidallison/StudioProjects/Anki-Android/.claude/worktrees/parallel-A/gradlew -p /Users/davidallison/StudioProjects/Anki-Android/.claude/worktrees/parallel-A :AnkiDroid:installGitHook --rerun-tasks

Learning

https://git-scm.com/docs/git-rev-parse#Documentation/git-rev-parse.txt---git-pathpath

Checklist

• You have a descriptive commit message with a short title (first line, max 50 chars).
• You have commented your code, particularly in hard-to-understand areas
• You have performed a self-review of your own code
• UI changes: include screenshots of all affected screens (in particular showing any new or changed strings)
• UI Changes: You have tested your change using the Google Accessibility Scanner

[criticalAY]

Ohh nicee thanks!

[david-allison]

Thanks so much, cherry picking this one in was frustrating!