Summary:
This allows hg on EdenFS to be able to create symlinks with absolute paths on Windows as well as check out commits with absolute path symlinks.
There are a few caveats here:
- Symlinks with absolute paths will only be usable on the same type of OS (Windows vs. POSIX) they were created.
- Checking out commits with absolute paths created on POSIX (i.e., starting with `/`) aren't usable on Windows
- Symlinks with absolute paths created on Windows will keep the same drive letter across different checkouts.
- E.g., if the root of the EdenFS checkout is somewhere at `C:\` and there is a symlink pointing to somewhere like `D:\foo\bar.txt`, and then that same commit is checked out in a different Windows machine with that same repo mounted at `E:\`, that symlink will still point to `D:\foo\bar.txt`
If there seems to be some UNC wonkiness in this commit, it is because UNC usage on symlinks is quite inconsistent on Windows:
- Things that use UNC for absolute path symlinks:
- Windows' `mklink` command (creates symlinks with UNC paths)
- Python's `os.symlink` (same as above)
- Hg commits
- EdenFS (when stored as Inodes; some functions like `realpath`)
- Things that don't use UNC for absolute path symlinks:
- `PrjWritePlaceholderInfo2`
- `PrjFillDirEntryBuffer2`
- `std::filesystem::read_symlink`
Reviewed By: xavierd
Differential Revision: D47227590
fbshipit-source-id: b92c8462ad3f13c2724b76ee61f8c095695027cd
Summary:
In some cases EdenFS would detect files as modified when it shouldn't, since it was reading the contents of symlink targets instead of hashing symlinks themselves. This diff the issues mentioned there.
Additionally, `hg status` have fewer issues on checkouts without symlinks enabled (hence the modified test)
Reviewed By: chadaustin
Differential Revision: D47107623
fbshipit-source-id: 9bee2e48b9855d71b22d6d8ec6723d94b6b8632a
Summary: Adding blake3 support to the FileHash util that is used to compute hashes on Windows.
Reviewed By: chadaustin
Differential Revision: D46268714
fbshipit-source-id: cdca3dced494b1f37841121df09351acfdd6c745
Summary:
Stack context:
To get a build setup for edencommon I picked an eden library to move over
to edencommon.
I picked process name cache. I would like to have this library in watchman
so that I can log spawning process command lines as well as client command
lines.
This Diff:
process name cache depends on WinError.h so I am moving that over.
Reviewed By: chadaustin
Differential Revision: D34218026
fbshipit-source-id: 064f5bfc50c4ba120c887b01ff1f0a3e0543d498
Summary:
With Facebook having been renamed Meta Platforms, we need to change the license
headers.
Reviewed By: fanzeyi
Differential Revision: D33407812
fbshipit-source-id: b11bfbbf13a48873f0cea75f212cc7b07a68fb2e
Summary:
To avoid any risk of SSLKEYLOGFILE being used to unexpectedly write
files as root, ensure the privhelper does not even link against
OpenSSL.
Reviewed By: fanzeyi
Differential Revision: D31944839
fbshipit-source-id: 3280657a10f4a468ddb63a874d38198bd333e01c
