Summary:
Renamed xdiff functions to avoid linking issues when using both libgit2-sys and xdiff.
When using repo_import tool (https://fburl.com/diffusion/8p6fhjt2) we have libgit2-sys dependency for importing git repos. However, when we derive blame data types, we need to use xdiff functionalities (from_no_parents: https://fburl.com/diffusion/pitukmyo -> diff_hunks: https://fburl.com/diffusion/9f8caan9 -> xdl_diff: https://fburl.com/diffusion/260x66hf). Both libgit2 and eden/scm have vendored versions of xdiff library. Therefore, libgit2-sys and eden/scm share functions with the same signatures, but have different behaviours and when we tried to derive blame, it used libgit2-sys's xdl_diff instead of eden's. This resulted in getting segfaults (https://fburl.com/paste/04gwalpo).
Note: repo_import is the first tool that has tried to import both and the first to run into this issue.
Reviewed By: StanislavGlebik
Differential Revision: D22432330
fbshipit-source-id: f2b965f3926a2dc45de1bf20e41dad70ca09cdfd
Summary:
Update includes to the third-party xdiff.h file to use absolute includes
from the repository root. This allows many parts of our internal build
tooling to work better, including automatic dependency processing.
Reviewed By: xavierd
Differential Revision: D19958228
fbshipit-source-id: 341dd8c94f1138cf4a387b92e1817b2a286d6aa1
Summary:
In preparation for merging fb-mercurial sources to the Eden repository,
move everything from the top-level directory into an `eden/scm`
subdirectory.
