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-rw-r--r--Source/.gitattributes2
-rw-r--r--Source/CMakeVersion.cmake3
2 files changed, 5 insertions, 0 deletions
diff --git a/Source/.gitattributes b/Source/.gitattributes
index 7c160cc..d0aedc2 100644
--- a/Source/.gitattributes
+++ b/Source/.gitattributes
@@ -1,2 +1,4 @@
+CMakeVersion.cmake export-subst
+
# Do not format third-party sources.
/kwsys/** -format.clang-format-6.0
diff --git a/Source/CMakeVersion.cmake b/Source/CMakeVersion.cmake
index 32a40f9..193c14f 100644
--- a/Source/CMakeVersion.cmake
+++ b/Source/CMakeVersion.cmake
@@ -39,6 +39,9 @@ if(COMMAND _git)
# Get the commit checked out in this work tree.
_git(log -n 1 HEAD "--pretty=format:%h %s" --)
set(git_info "${_git_out}")
+else()
+ # Get the commit exported by 'git archive'.
+ set(git_info [==[$Format:%h %s$]==])
endif()
# Extract commit information if available.