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cmake: refactor GitUtilities.cmake

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Remote branch name can now be resolved from detached HEAD.
This commit is contained in:
James R 2022-12-27 00:34:20 -08:00
parent 2533ebba23
commit aaecabf4d6
1 changed files with 35 additions and 35 deletions
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70
cmake/Modules/GitUtilities.cmake
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@ -6,54 +6,54 @@ endif()
set(__GitUtilities ON)
function(git_describe variable path)
execute_process(COMMAND "${GIT_EXECUTABLE}" "describe"
WORKING_DIRECTORY "${path}"
RESULT_VARIABLE result
macro(_git_command)
execute_process(
COMMAND "${GIT_EXECUTABLE}" ${ARGN}
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
OUTPUT_VARIABLE output
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE
)
endmacro()
macro(_git_easy_command)
_git_command(${ARGN})
set(${variable} "${output}" PARENT_SCOPE)
endmacro()
function(git_current_branch variable)
_git_command(symbolic-ref -q --short HEAD)
# If a detached head, a ref could still be resolved.
if("${output}" STREQUAL "")
_git_command(describe --all --exact-match)
# Get the ref, in the form heads/master or
# remotes/origin/master so isolate the final part.
string(REGEX REPLACE ".*/" "" output "${output}")
endif()
set(${variable} "${output}" PARENT_SCOPE)
endfunction()
function(git_current_branch variable path)
execute_process(COMMAND ${GIT_EXECUTABLE} "symbolic-ref" "--short" "HEAD"
WORKING_DIRECTORY "${path}"
RESULT_VARIABLE result
OUTPUT_VARIABLE output
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE
)
set(${variable} "${output}" PARENT_SCOPE)
function(git_latest_commit variable)
_git_easy_command(rev-parse --short HEAD)
endfunction()
function(git_latest_commit variable path)
execute_process(COMMAND ${GIT_EXECUTABLE} "rev-parse" "--short" "HEAD"
WORKING_DIRECTORY "${path}"
RESULT_VARIABLE result
OUTPUT_VARIABLE output
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE
)
set(${variable} "${output}" PARENT_SCOPE)
endfunction()
function(git_working_tree_dirty variable path)
execute_process(COMMAND ${GIT_EXECUTABLE} "status" "--porcelain" "-uno"
WORKING_DIRECTORY "${path}"
RESULT_VARIABLE result
OUTPUT_VARIABLE output
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE
)
function(git_working_tree_dirty variable)
_git_command(status --porcelain -uno)
if(output STREQUAL "")
set(${variable} FALSE PARENT_SCOPE)
else()
set(${variable} TRUE PARENT_SCOPE)
endif()
endfunction()
endfunction()
function(git_summary variable)
_git_easy_command(log -1 "--format=%h %s")
endfunction()
function(get_git_dir variable)
_git_easy_command(rev-parse --git-dir)
endfunction()