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Build: Replace git describe with more script friendly alternative, git rev-parse and git diff-index

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(cherry picked from commit 29659b4192)
This commit is contained in:
Shauren
2021-08-31 11:29:07 +02:00
parent 3af4d17188
commit bec81b1d7b
1 changed files with 17 additions and 7 deletions
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24
cmake/genrev.cmake
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@@ -24,15 +24,27 @@ if(WITHOUT_GIT)
string(TIMESTAMP rev_date_fallback "%Y-%m-%d %H:%M:%S" UTC)
else()
if(GIT_EXECUTABLE)
# Retrieve repository dirty status
execute_process(
COMMAND "${GIT_EXECUTABLE}" diff-index --quiet HEAD --
WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
RESULT_VARIABLE is_dirty
)
# Create a revision-string that we can use
execute_process(
COMMAND "${GIT_EXECUTABLE}" describe --long --match init --dirty=+ --abbrev=12
COMMAND "${GIT_EXECUTABLE}" rev-parse --short=12 HEAD
WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
OUTPUT_VARIABLE rev_info
OUTPUT_VARIABLE rev_hash
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET
)
# Append dirty marker to commit hash
if(is_dirty)
set(rev_hash "${rev_hash}+")
endif()
# And grab the commits timestamp
execute_process(
COMMAND "${GIT_EXECUTABLE}" show -s --format=%ci
@@ -44,7 +56,7 @@ else()
# Also retrieve branch name
execute_process(
COMMAND "${GIT_EXECUTABLE}" rev-parse --abbrev-ref HEAD
COMMAND "${GIT_EXECUTABLE}" symbolic-ref -q --short HEAD
WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
OUTPUT_VARIABLE rev_branch
OUTPUT_STRIP_TRAILING_WHITESPACE
@@ -54,7 +66,7 @@ else()
# Last minute check - ensure that we have a proper revision
# If everything above fails (means the user has erased the git revision control directory or removed the origin/HEAD tag)
if(NOT rev_info)
if(NOT rev_hash)
# No valid ways available to find/set the revision/hash, so let's force some defaults
message(STATUS "
Could not find a proper repository signature (hash) - you may need to pull tags with git fetch -t
@@ -67,8 +79,6 @@ else()
else()
# We have valid date from git commit, use that
set(rev_date_fallback ${rev_date})
# Extract information required to build a proper versionstring
string(REGEX REPLACE init-|[0-9]+-g "" rev_hash ${rev_info})
endif()
endif()
@@ -79,7 +89,7 @@ set(rev_month ${CMAKE_MATCH_2})
set(rev_day ${CMAKE_MATCH_3})
# Create the actual revision_data.h file from the above params
if(NOT "${rev_hash_cached}" MATCHES "${rev_hash}" OR NOT "${rev_branch_cached}" MATCHES "${rev_branch}" OR NOT EXISTS "${BUILDDIR}/revision_data.h")
if(NOT "${rev_hash_cached}" STREQUAL "${rev_hash}" OR NOT "${rev_branch_cached}" STREQUAL "${rev_branch}" OR NOT EXISTS "${BUILDDIR}/revision_data.h")
configure_file(
"${CMAKE_SOURCE_DIR}/revision_data.h.in.cmake"
"${BUILDDIR}/revision_data.h"