mirror of https://github.com/PurpleI2P/i2pd.git
I2P: End-to-End encrypted and anonymous Internet
https://i2pd.website/
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43 lines
1.3 KiB
43 lines
1.3 KiB
# |
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# Internal file for GetGitRevisionDescription.cmake |
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# |
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# Requires CMake 2.6 or newer (uses the 'function' command) |
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# |
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# Original Author: |
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# 2009-2010 Ryan Pavlik <rpavlik@iastate.edu> <abiryan@ryand.net> |
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# http://academic.cleardefinition.com |
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# Iowa State University HCI Graduate Program/VRAC |
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# |
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# Copyright 2009-2012, Iowa State University |
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# Copyright 2011-2015, Contributors |
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# Distributed under the Boost Software License, Version 1.0. |
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# (See accompanying file LICENSE_1_0.txt or copy at |
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# http://www.boost.org/LICENSE_1_0.txt) |
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# SPDX-License-Identifier: BSL-1.0 |
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set(HEAD_HASH) |
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file(READ "@HEAD_FILE@" HEAD_CONTENTS LIMIT 1024) |
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string(STRIP "${HEAD_CONTENTS}" HEAD_CONTENTS) |
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if(HEAD_CONTENTS MATCHES "ref") |
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# named branch |
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string(REPLACE "ref: " "" HEAD_REF "${HEAD_CONTENTS}") |
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if(EXISTS "@GIT_DIR@/${HEAD_REF}") |
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configure_file("@GIT_DIR@/${HEAD_REF}" "@GIT_DATA@/head-ref" COPYONLY) |
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else() |
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configure_file("@GIT_DIR@/packed-refs" "@GIT_DATA@/packed-refs" COPYONLY) |
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file(READ "@GIT_DATA@/packed-refs" PACKED_REFS) |
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if(${PACKED_REFS} MATCHES "([0-9a-z]*) ${HEAD_REF}") |
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set(HEAD_HASH "${CMAKE_MATCH_1}") |
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endif() |
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endif() |
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else() |
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# detached HEAD |
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configure_file("@GIT_DIR@/HEAD" "@GIT_DATA@/head-ref" COPYONLY) |
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endif() |
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if(NOT HEAD_HASH) |
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file(READ "@GIT_DATA@/head-ref" HEAD_HASH LIMIT 1024) |
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string(STRIP "${HEAD_HASH}" HEAD_HASH) |
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endif()
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