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CMake: Avoid call of find_package(Git) for every compile with buildinfo enabled 

This is a bit tricky, find_package(Git) was only used to check if git is installed
and actual git command was assumed to be in the PATH (while ideally it should have
been GIT_COMMAND variable).

This commit makes re-compile output cleaner, especially when using Ninja.

Adding proper GIT_COMMAND to buildinfo.cmake is also possible via argument.

Reviewers: campbellbarton

Reviewed By: campbellbarton

Differential Revision: https://developer.blender.org/D1847
This commit is contained in:
Sergey Sharybin 2016-03-11 13:05:44 +05:00
parent e7eb91365b
commit cc2138888a
2 changed files with 100 additions and 97 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
CMakeLists.txt
View File

@ -704,6 +704,13 @@ else()
set(COMPILER_SSE2_FLAG)
endif()
if(WITH_BUILDINFO)
find_package(Git)
if(NOT GIT_FOUND)
set(WITH_BUILDINFO OFF)
endif()
endif()
TEST_SHARED_PTR_SUPPORT()
TEST_UNORDERED_MAP_SUPPORT()

190
build_files/cmake/buildinfo.cmake
View File

@ -9,124 +9,120 @@ set(MY_WC_COMMIT_TIMESTAMP 0)
# Guess if this is a git working copy and then look up the revision
if(EXISTS ${SOURCE_DIR}/.git)
# The FindGit.cmake module is part of the standard distribution
find_package(Git)
if(GIT_FOUND)
execute_process(COMMAND git rev-parse --abbrev-ref HEAD
execute_process(COMMAND git rev-parse --abbrev-ref HEAD
WORKING_DIRECTORY ${SOURCE_DIR}
OUTPUT_VARIABLE MY_WC_BRANCH
OUTPUT_STRIP_TRAILING_WHITESPACE)
if(MY_WC_BRANCH STREQUAL "HEAD")
# Detached HEAD, check whether commit hash is reachable
# in the master branch
execute_process(COMMAND git rev-parse --short HEAD
WORKING_DIRECTORY ${SOURCE_DIR}
OUTPUT_VARIABLE MY_WC_BRANCH
OUTPUT_VARIABLE MY_WC_HASH
OUTPUT_STRIP_TRAILING_WHITESPACE)
if(MY_WC_BRANCH STREQUAL "HEAD")
# Detached HEAD, check whether commit hash is reachable
# in the master branch
execute_process(COMMAND git branch --list master --contains ${MY_WC_HASH}
WORKING_DIRECTORY ${SOURCE_DIR}
OUTPUT_VARIABLE _git_contains_check
OUTPUT_STRIP_TRAILING_WHITESPACE)
STRING(REGEX REPLACE "^[ \t]+" "" _git_contains_check "${_git_contains_check}")
if(_git_contains_check STREQUAL "master")
set(MY_WC_BRANCH "master")
else()
execute_process(COMMAND git show-ref --tags -d
WORKING_DIRECTORY ${SOURCE_DIR}
OUTPUT_VARIABLE _git_tag_hashes
OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND git rev-parse HEAD
WORKING_DIRECTORY ${SOURCE_DIR}
OUTPUT_VARIABLE _git_head_hash
OUTPUT_STRIP_TRAILING_WHITESPACE)
if(_git_tag_hashes MATCHES "${_git_head_hash}")
set(MY_WC_BRANCH "master")
endif()
unset(_git_tag_hashes)
unset(_git_head_hashs)
endif()
unset(_git_contains_check)
else()
execute_process(COMMAND git log HEAD..@{u}
WORKING_DIRECTORY ${SOURCE_DIR}
OUTPUT_VARIABLE _git_below_check
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET)
if(NOT _git_below_check STREQUAL "")
# If there're commits between HEAD and upstream this means
# that we're reset-ed to older revision. Use it's hash then.
execute_process(COMMAND git rev-parse --short HEAD
WORKING_DIRECTORY ${SOURCE_DIR}
OUTPUT_VARIABLE MY_WC_HASH
OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND git branch --list master --contains ${MY_WC_HASH}
WORKING_DIRECTORY ${SOURCE_DIR}
OUTPUT_VARIABLE _git_contains_check
OUTPUT_STRIP_TRAILING_WHITESPACE)
STRING(REGEX REPLACE "^[ \t]+" "" _git_contains_check "${_git_contains_check}")
if(_git_contains_check STREQUAL "master")
set(MY_WC_BRANCH "master")
else()
execute_process(COMMAND git show-ref --tags -d
WORKING_DIRECTORY ${SOURCE_DIR}
OUTPUT_VARIABLE _git_tag_hashes
OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND git rev-parse HEAD
WORKING_DIRECTORY ${SOURCE_DIR}
OUTPUT_VARIABLE _git_head_hash
OUTPUT_STRIP_TRAILING_WHITESPACE)
if(_git_tag_hashes MATCHES "${_git_head_hash}")
set(MY_WC_BRANCH "master")
endif()
unset(_git_tag_hashes)
unset(_git_head_hashs)
endif()
unset(_git_contains_check)
else()
execute_process(COMMAND git log HEAD..@{u}
execute_process(COMMAND git rev-parse --short @{u}
WORKING_DIRECTORY ${SOURCE_DIR}
OUTPUT_VARIABLE _git_below_check
OUTPUT_VARIABLE MY_WC_HASH
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET)
if(NOT _git_below_check STREQUAL "")
# If there're commits between HEAD and upstream this means
# that we're reset-ed to older revision. Use it's hash then.
if(MY_WC_HASH STREQUAL "")
# Local branch, not set to upstream.
# Well, let's use HEAD for now
execute_process(COMMAND git rev-parse --short HEAD
WORKING_DIRECTORY ${SOURCE_DIR}
OUTPUT_VARIABLE MY_WC_HASH
OUTPUT_STRIP_TRAILING_WHITESPACE)
else()
execute_process(COMMAND git rev-parse --short @{u}
WORKING_DIRECTORY ${SOURCE_DIR}
OUTPUT_VARIABLE MY_WC_HASH
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET)
if(MY_WC_HASH STREQUAL "")
# Local branch, not set to upstream.
# Well, let's use HEAD for now
execute_process(COMMAND git rev-parse --short HEAD
WORKING_DIRECTORY ${SOURCE_DIR}
OUTPUT_VARIABLE MY_WC_HASH
OUTPUT_STRIP_TRAILING_WHITESPACE)
endif()
endif()
if(MY_WC_BRANCH MATCHES "^blender-v")
set(MY_WC_BRANCH "master")
endif()
unset(_git_below_check)
endif()
execute_process(COMMAND git log -1 --format=%ct
WORKING_DIRECTORY ${SOURCE_DIR}
OUTPUT_VARIABLE MY_WC_COMMIT_TIMESTAMP
OUTPUT_STRIP_TRAILING_WHITESPACE)
# May fail in rare cases
if(MY_WC_COMMIT_TIMESTAMP STREQUAL "")
set(MY_WC_COMMIT_TIMESTAMP 0)
if(MY_WC_BRANCH MATCHES "^blender-v")
set(MY_WC_BRANCH "master")
endif()
# Update GIT index before getting dirty files
execute_process(COMMAND git update-index -q --refresh
WORKING_DIRECTORY ${SOURCE_DIR}
OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND git diff-index --name-only HEAD --
WORKING_DIRECTORY ${SOURCE_DIR}
OUTPUT_VARIABLE _git_changed_files
OUTPUT_STRIP_TRAILING_WHITESPACE)
if(NOT _git_changed_files STREQUAL "")
set(MY_WC_BRANCH "${MY_WC_BRANCH} (modified)")
else()
# Unpushed commits are also considered local modifications
execute_process(COMMAND git log @{u}..
WORKING_DIRECTORY ${SOURCE_DIR}
OUTPUT_VARIABLE _git_unpushed_log
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET)
if(NOT _git_unpushed_log STREQUAL "")
set(MY_WC_BRANCH "${MY_WC_BRANCH} (modified)")
endif()
unset(_git_unpushed_log)
endif()
unset(_git_changed_files)
unset(_git_below_check)
endif()
execute_process(COMMAND git log -1 --format=%ct
WORKING_DIRECTORY ${SOURCE_DIR}
OUTPUT_VARIABLE MY_WC_COMMIT_TIMESTAMP
OUTPUT_STRIP_TRAILING_WHITESPACE)
# May fail in rare cases
if(MY_WC_COMMIT_TIMESTAMP STREQUAL "")
set(MY_WC_COMMIT_TIMESTAMP 0)
endif()
# Update GIT index before getting dirty files
execute_process(COMMAND git update-index -q --refresh
WORKING_DIRECTORY ${SOURCE_DIR}
OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND git diff-index --name-only HEAD --
WORKING_DIRECTORY ${SOURCE_DIR}
OUTPUT_VARIABLE _git_changed_files
OUTPUT_STRIP_TRAILING_WHITESPACE)
if(NOT _git_changed_files STREQUAL "")
set(MY_WC_BRANCH "${MY_WC_BRANCH} (modified)")
else()
# Unpushed commits are also considered local modifications
execute_process(COMMAND git log @{u}..
WORKING_DIRECTORY ${SOURCE_DIR}
OUTPUT_VARIABLE _git_unpushed_log
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET)
if(NOT _git_unpushed_log STREQUAL "")
set(MY_WC_BRANCH "${MY_WC_BRANCH} (modified)")
endif()
unset(_git_unpushed_log)
endif()
unset(_git_changed_files)
endif()
# BUILD_PLATFORM and BUILD_PLATFORM are taken from CMake