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Fix Docker build failure due to missing .git directory

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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:
Christian Semmler 2026-04-05 08:22:24 -07:00
parent 7b114bbe59
commit 103f2ce813
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1 changed files with 2 additions and 1 deletions
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3
CMakeLists.txt
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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: (.+)$")