Fix Docker build failure due to missing .git directory (#790)

Only add .git/HEAD as a build dependency when it exists, so the
Emscripten build succeeds in environments without a .git directory
(e.g. Docker).
This commit is contained in:
foxtacles 2026-04-05 08:42:52 -07:00 committed by GitHub
parent 7b114bbe59
commit 8215544b02
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@ -22,8 +22,9 @@ if (EMSCRIPTEN)
# Resolve git HEAD to find file dependencies for change detection.
# .git/HEAD changes on branch switch; the ref file it points to changes on commit.
set(_git_head "${CMAKE_SOURCE_DIR}/.git/HEAD")
set(_git_deps "${_git_head}")
set(_git_deps)
if(EXISTS "${_git_head}")
list(APPEND _git_deps "${_git_head}")
file(READ "${_git_head}" _head_ref)
string(STRIP "${_head_ref}" _head_ref)
if(_head_ref MATCHES "^ref: (.+)$")