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| author | Thomas White <taw@physics.org> | 2018-05-17 15:31:45 +0200 |
|---|---|---|
| committer | Thomas White <taw@physics.org> | 2018-05-17 15:39:22 +0200 |
| commit | a9f48b6507b0326a34b84d7600f5eb791993eeb1 (patch) | |
| tree | b89b6e73477125336c35c6d7d9996bd8ebae7fd7 /CMake/GetGitRevisionDescription.cmake.in | |
| parent | 87fd650abf11da75e7abd2ff90821cf7cb041b91 (diff) | |
| parent | a9f4c0ff4376267d90d6e8f9a0b6c012ec0588a4 (diff) | |
Merge branch 'tom/cmake'
Diffstat (limited to 'CMake/GetGitRevisionDescription.cmake.in')
| -rw-r--r-- | CMake/GetGitRevisionDescription.cmake.in | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/CMake/GetGitRevisionDescription.cmake.in b/CMake/GetGitRevisionDescription.cmake.in new file mode 100644 index 00000000..6d8b708e --- /dev/null +++ b/CMake/GetGitRevisionDescription.cmake.in @@ -0,0 +1,41 @@ +# +# 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 "${HEAD_CONTENTS}" HEAD_CONTENTS) +if(HEAD_CONTENTS MATCHES "ref") + # named branch + string(REPLACE "ref: " "" HEAD_REF "${HEAD_CONTENTS}") + if(EXISTS "@GIT_DIR@/${HEAD_REF}") + configure_file("@GIT_DIR@/${HEAD_REF}" "@GIT_DATA@/head-ref" COPYONLY) + else() + configure_file("@GIT_DIR@/packed-refs" "@GIT_DATA@/packed-refs" COPYONLY) + file(READ "@GIT_DATA@/packed-refs" PACKED_REFS) + if(${PACKED_REFS} MATCHES "([0-9a-z]*) ${HEAD_REF}") + set(HEAD_HASH "${CMAKE_MATCH_1}") + endif() + 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() |