[GSoC Patch v7 0/3] teach git repo info to handle path keys

Hi!

This series teaches `git repo info` to handle `path.*` keys, allowing scripts to reliably discover core repository paths without resorting to `git rev-parse`.

The patches are structured as follows:

1. path: Extract the localized path-formatting logic
   out of `rev-parse` and expose it globally via
   `path.h` using clear append semantics.

2. repo: Introduce `path.commondir.absolute` and
   `path.commondir.relative` alongside a robust,
   isolated test helper.

3. repo: Introduce `path.gitdir.absolute` and
   `path.gitdir.relative` using the same standardized
   formatting rules.

Changes since v6:

Squashed patches 1 and 2 to avoid dead code in the tree.

Tagging Justin Tobler, Lucas Seiki Oshiro, Junio, Phillip Wood, brian m. carlson, and Ayush Jha.

Thanks for helping improve this series!

K Jayatheerth (3):
  path: extract append_formatted_path() and use in rev-parse
  repo: add path.commondir with absolute and relative suffix formatting
  repo: add path.gitdir with absolute and relative suffix formatting

 Documentation/git-repo.adoc | 15 ++++++++
 builtin/repo.c              | 50 +++++++++++++++++++++++++
 builtin/rev-parse.c         | 73 +++++++++++++++----------------------
 path.c                      | 69 +++++++++++++++++++++++++++++++++++
 path.h                      | 30 +++++++++++++++
 t/t1900-repo-info.sh        | 58 +++++++++++++++++++++++++++++
 6 files changed, 251 insertions(+), 44 deletions(-)