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authorbunnei <ericbunnie@gmail.com>2014-04-24 03:43:57 +0200
committerbunnei <ericbunnie@gmail.com>2014-04-24 03:43:57 +0200
commit4405a53cf3b669e84b1d953d35e89ec29b916293 (patch)
treef6d4370cfce75d9922e75d99c82e1935c6b723c9 /externals/cmake-modules/GetGitRevisionDescription.cmake.in
parentfixes to build on linux (diff)
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-rw-r--r--externals/cmake-modules/GetGitRevisionDescription.cmake.in38
1 files changed, 38 insertions, 0 deletions
diff --git a/externals/cmake-modules/GetGitRevisionDescription.cmake.in b/externals/cmake-modules/GetGitRevisionDescription.cmake.in
new file mode 100644
index 000000000..888ce13aa
--- /dev/null
+++ b/externals/cmake-modules/GetGitRevisionDescription.cmake.in
@@ -0,0 +1,38 @@
+#
+# 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)
+ 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()