mirror of
https://github.com/ceph/ceph
synced 2024-12-18 01:16:55 +00:00
165f09d7e7
Found this here: https://phabricator.kde.org/D9172 Signed-off-by: Sage Weil <sage@redhat.com>
51 lines
1.5 KiB
CMake
51 lines
1.5 KiB
CMake
#
|
|
# Internal file for GetGitRevisionDescription.cmake
|
|
#
|
|
# Requires CMake 2.6 or newer (uses the 'function' command)
|
|
#
|
|
# Original Author:
|
|
# 2009-2010 Ryan Pavlik <rpavlik@iastate.edu> <abiryan@ryand.net>
|
|
# http://academic.cleardefinition.com
|
|
# Iowa State University HCI Graduate Program/VRAC
|
|
#
|
|
# Copyright Iowa State University 2009-2010.
|
|
# Distributed under the Boost Software License, Version 1.0.
|
|
# (See accompanying file LICENSE_1_0.txt or copy at
|
|
# http://www.boost.org/LICENSE_1_0.txt)
|
|
|
|
set(HEAD_HASH)
|
|
|
|
file(READ "@HEAD_FILE@" HEAD_CONTENTS LIMIT 1024)
|
|
|
|
string(STRIP "${HEAD_CONTENTS}" HEAD_CONTENTS)
|
|
set(GIT_DIR "@GIT_DIR@")
|
|
# handle git-worktree
|
|
if(EXISTS "${GIT_DIR}/commondir")
|
|
file(READ "${GIT_DIR}/commondir" GIT_DIR_NEW LIMIT 1024)
|
|
string(STRIP "${GIT_DIR_NEW}" GIT_DIR_NEW)
|
|
if(NOT IS_ABSOLUTE "${GIT_DIR_NEW}")
|
|
get_filename_component(GIT_DIR_NEW ${GIT_DIR}/${GIT_DIR_NEW} ABSOLUTE)
|
|
endif()
|
|
if(EXISTS "${GIT_DIR_NEW}")
|
|
set(GIT_DIR "${GIT_DIR_NEW}")
|
|
endif()
|
|
endif()
|
|
if(HEAD_CONTENTS MATCHES "ref")
|
|
# named branch
|
|
string(REPLACE "ref: " "" HEAD_REF "${HEAD_CONTENTS}")
|
|
if(EXISTS "${GIT_DIR}/${HEAD_REF}")
|
|
configure_file("${GIT_DIR}/${HEAD_REF}" "@GIT_DATA@/head-ref" COPYONLY)
|
|
elseif(EXISTS "${GIT_DIR}/logs/${HEAD_REF}")
|
|
configure_file("${GIT_DIR}/logs/${HEAD_REF}" "@GIT_DATA@/head-ref" COPYONLY)
|
|
set(HEAD_HASH "${HEAD_REF}")
|
|
endif()
|
|
else()
|
|
# detached HEAD
|
|
configure_file("${GIT_DIR}/HEAD" "@GIT_DATA@/head-ref" COPYONLY)
|
|
endif()
|
|
|
|
if(NOT HEAD_HASH)
|
|
file(READ "@GIT_DATA@/head-ref" HEAD_HASH LIMIT 1024)
|
|
string(STRIP "${HEAD_HASH}" HEAD_HASH)
|
|
endif()
|