* fix grammar in README

* Update README.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

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Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* fix: make `GitWalkerFs#content` handle symlinks correctly

* ad submodule test

* fix tests

* add test

* use `SYMLINKMODE` constant

* feat: implement single commit cherry pick

* linting fixes

* fix merge function import

* implement Copilot's suggestions

* add git status check to happy path tests

* fix: add packfile integrity verification

Add SHA-1 checksum verification when reading objects from packfiles
to prevent accepting corrupted or tampered packfiles.

Changes:
- Fast check: Verify packfile trailer matches .idx record
- Deep check: Calculate SHA-1 of packfile payload
- Use subarray() for zero-copy memory efficiency
- Use _checksumVerified flag to verify only once per packfile

Fixes vulnerability where corrupted packfiles were accepted without
detecting checksum mismatches.

* docs: add @N0zoM1z0 as a contributor

* test: add unit tests for packfile integrity validation

* Add guard for missing packfile in tests

Throw clear error when no .pack file is found instead of
producing cryptic 'undefined' path errors.

Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>

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Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

…2293)

* fix: support git worktrees in discoverGitdir (absolute gitdir paths)

* add test that uses public api

#2295)

* fix: improve error handling when packfile cannot be read (fixes #1163)

FileSystem.read() silently returns null on errors (including
ERR_FS_FILE_TOO_LARGE). In GitPackIndex.readSlice(), the null check
tested the Promise object (always truthy) instead of the resolved
value, causing a confusing TypeError on .slice(null).

- Await the promise before null-checking in readSlice()
- Add null check in readObjectPacked after resolving pack data
- Clear cached promise on failure to allow retry on transient errors
- Add test verifying descriptive InternalError on missing packfile

* fix(ci): correct test script name in CI workflow

The CI workflow referenced `test.jest` which does not exist in
package-scripts.cjs. The correct script name is `test.node`.

* add video about github internals

* add titles to the videos

* update after AI CR

* Add resource on Git '.git/' folder anatomy

Added a new resource about the anatomy of the '.git/' folder.

* fix CI/CD pipeline