diff --git a/test/core/ExamplesUnitTests/configure_git_mockprogram_files/mockprogram_inout.single_repo_one_parent_version.txt b/test/core/ExamplesUnitTests/configure_git_mockprogram_files/mockprogram_inout.single_repo_one_parent_version.txt
index f643a9ab1..a406d461e 100644
--- a/test/core/ExamplesUnitTests/configure_git_mockprogram_files/mockprogram_inout.single_repo_one_parent_version.txt
+++ b/test/core/ExamplesUnitTests/configure_git_mockprogram_files/mockprogram_inout.single_repo_one_parent_version.txt
@@ -1,12 +1,9 @@
-MOCK_PROGRAM_INPUT: log -1 --pretty=format:%H
-MOCK_PROGRAM_RETURN: 0
-MOCK_PROGRAM_OUTPUT: a1234tgbhyujkliu126sl12123s
-MOCK_PROGRAM_INPUT: log -1 --pretty=format:%h [%ad] <%ae> a1234tgbhyujkliu126sl12123s
+MOCK_PROGRAM_INPUT: log -1 --pretty=format:%h [%ad] <%ae> HEAD
 MOCK_PROGRAM_RETURN: 0
 MOCK_PROGRAM_OUTPUT: a1234tgb [Thu Sep 21 19:19:18 2023 -0400] <someone@sandia.gov>
-MOCK_PROGRAM_INPUT: log -1 --pretty=format:%s a1234tgbhyujkliu126sl12123s
+MOCK_PROGRAM_INPUT: log -1 --pretty=format:%s HEAD
 MOCK_PROGRAM_RETURN: 0
 MOCK_PROGRAM_OUTPUT: This is the HEAD commit summary line
-MOCK_PROGRAM_INPUT: log -1 --pretty=format:%p a1234tgbhyujkliu126sl12123s
+MOCK_PROGRAM_INPUT: log -1 --pretty=format:%p HEAD
 MOCK_PROGRAM_RETURN: 0
 MOCK_PROGRAM_OUTPUT: b5678aop
diff --git a/test/core/ExamplesUnitTests/configure_git_mockprogram_files/mockprogram_inout.single_repo_two_parents_version.txt b/test/core/ExamplesUnitTests/configure_git_mockprogram_files/mockprogram_inout.single_repo_two_parents_version.txt
index be132f67e..fa4bb6a5e 100644
--- a/test/core/ExamplesUnitTests/configure_git_mockprogram_files/mockprogram_inout.single_repo_two_parents_version.txt
+++ b/test/core/ExamplesUnitTests/configure_git_mockprogram_files/mockprogram_inout.single_repo_two_parents_version.txt
@@ -1,13 +1,10 @@
-MOCK_PROGRAM_INPUT: log -1 --pretty=format:%H
-MOCK_PROGRAM_RETURN: 0
-MOCK_PROGRAM_OUTPUT: a1234tgbhyujkliu126sl12123s
-MOCK_PROGRAM_INPUT: log -1 --pretty=format:%h [%ad] <%ae> a1234tgbhyujkliu126sl12123s
+MOCK_PROGRAM_INPUT: log -1 --pretty=format:%h [%ad] <%ae> HEAD
 MOCK_PROGRAM_RETURN: 0
 MOCK_PROGRAM_OUTPUT: a1234tgb [Thu Sep 21 19:19:18 2023 -0400] <someone@sandia.gov>
-MOCK_PROGRAM_INPUT: log -1 --pretty=format:%s a1234tgbhyujkliu126sl12123s
+MOCK_PROGRAM_INPUT: log -1 --pretty=format:%s HEAD
 MOCK_PROGRAM_RETURN: 0
 MOCK_PROGRAM_OUTPUT: This is the HEAD commit summary line
-MOCK_PROGRAM_INPUT: log -1 --pretty=format:%p a1234tgbhyujkliu126sl12123s
+MOCK_PROGRAM_INPUT: log -1 --pretty=format:%p HEAD
 MOCK_PROGRAM_RETURN: 0
 MOCK_PROGRAM_OUTPUT: b5678aop c9101hah
 MOCK_PROGRAM_INPUT: log -1 --pretty=format:%h [%ad] <%ae> b5678aop
diff --git a/tribits/core/package_arch/TribitsGitRepoVersionInfo.cmake b/tribits/core/package_arch/TribitsGitRepoVersionInfo.cmake
index 3fdbac7b2..6f187887e 100644
--- a/tribits/core/package_arch/TribitsGitRepoVersionInfo.cmake
+++ b/tribits/core/package_arch/TribitsGitRepoVersionInfo.cmake
@@ -184,19 +184,14 @@ function(tribits_generate_single_repo_version_string  gitRepoDir
 
   # A) Get HEAD commit's info
   
-  tribits_git_repo_sha1(${gitRepoDir}
-    gitHeadSha1)
-
-  tribits_generate_commit_info_string(
-    ${gitRepoDir} ${gitHeadSha1}
-    commitInfoString)
+  tribits_generate_commit_info_string(${gitRepoDir} HEAD commitInfoString)
 
   set(outStringBuilder ${commitInfoString})
 
   # B) Get all of HEAD commit's parents into a list
 
   execute_process(
-    COMMAND ${GIT_EXECUTABLE} log -1 "--pretty=format:%p" ${gitHeadSha1}
+    COMMAND ${GIT_EXECUTABLE} log -1 "--pretty=format:%p" HEAD
     WORKING_DIRECTORY ${gitRepoDir}
     RESULT_VARIABLE gitCmndRtn OUTPUT_VARIABLE gitCmndOutput
     OUTPUT_STRIP_TRAILING_WHITESPACE  ERROR_STRIP_TRAILING_WHITESPACE