f1e47e6554
The old approach of reading .git/HEAD does not work when using git
worktrees, where the folder layout looks roughly like:
solvespace.git/ - bare clone (.git dir)
solvespace.git/work - example worktree containing master
solvespage.git/worktrees/work/ - .git dir of worktree
solvespage.git/worktrees/work/HEAD - actual HEAD ref for master
First attempt was to just get GIT_ROOT from `git rev-parse --git-dir` but
that wasn't enough, since:
1. GIT_ROOT points to solvespage.git/worktrees/work/
2. GIT_ROOT/HEAD points to refs/heads/master
3. GIT_ROOT/refs/heads/master does not exist but the old implementation
would want to use this to get the sha
so we need two invocations of git rev-parse
1. `git rev-parse --git-dir` to get GIT_DIR
needed for setting GIT_DEPENDS
2. `git rev-parse HEAD` to get the sha of the worktree's HEAD
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| .. | ||
| AddVendoredSubdirectory.cmake | ||
| c_flag_overrides.cmake | ||
| cxx_flag_overrides.cmake | ||
| DisableWarnings.cmake | ||
| FindSpaceWare.cmake | ||
| FindVendoredPackage.cmake | ||
| GetGitCommitHash.cmake | ||
| libpng-macos-arm64.patch | ||
| MacOSXBundleInfo.plist.in | ||
| Toolchain-mingw32.cmake | ||
| Toolchain-mingw64.cmake | ||