projects / pulseview.git / blame
| Commit | Line | Data |
|---|---|---|
| 1e8c82e9 DE |
1 | # |
| 2 | # Internal file for GetGitRevisionDescription.cmake | |
| 3 | # | |
| 4 | # Requires CMake 2.6 or newer (uses the 'function' command) | |
| 5 | # | |
| 6 | # Original Author: | |
| 7 | # 2009-2010 Ryan Pavlik <rpavlik@iastate.edu> <abiryan@ryand.net> | |
| 8 | # http://academic.cleardefinition.com | |
| 9 | # Iowa State University HCI Graduate Program/VRAC | |
| 10 | # | |
| 11 | # Copyright Iowa State University 2009-2010. | |
| 12 | # Distributed under the Boost Software License, Version 1.0. | |
| 13 | # (See accompanying file LICENSE_1_0.txt or copy at | |
| 14 | # http://www.boost.org/LICENSE_1_0.txt) | |
| 15 | ||
| 16 | set(HEAD_HASH) | |
| 17 | ||
| 18 | file(READ "@HEAD_FILE@" HEAD_CONTENTS LIMIT 1024) | |
| 19 | ||
| 20 | string(STRIP "${HEAD_CONTENTS}" HEAD_CONTENTS) | |
| 21 | if(HEAD_CONTENTS MATCHES "ref") | |
| 22 | # named branch | |
| 23 | string(REPLACE "ref: " "" HEAD_REF "${HEAD_CONTENTS}") | |
| 24 | if(EXISTS "@GIT_DIR@/${HEAD_REF}") | |
| 25 | configure_file("@GIT_DIR@/${HEAD_REF}" "@GIT_DATA@/head-ref" COPYONLY) | |
| 26 | else() | |
| 27 | configure_file("@GIT_DIR@/packed-refs" "@GIT_DATA@/packed-refs" COPYONLY) | |
| 28 | file(READ "@GIT_DATA@/packed-refs" PACKED_REFS) | |
| 29 | if(${PACKED_REFS} MATCHES "([0-9a-z]*) ${HEAD_REF}") | |
| 30 | set(HEAD_HASH "${CMAKE_MATCH_1}") | |
| 31 | endif() | |
| 32 | endif() | |
| 33 | else() | |
| 34 | # detached HEAD | |
| 35 | configure_file("@GIT_DIR@/HEAD" "@GIT_DATA@/head-ref" COPYONLY) | |
| 36 | endif() | |
| 37 | ||
| 38 | if(NOT HEAD_HASH) | |
| 39 | file(READ "@GIT_DATA@/head-ref" HEAD_HASH LIMIT 1024) | |
| 40 | string(STRIP "${HEAD_HASH}" HEAD_HASH) | |
| 41 | endif() |