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annotate cmake/HGVersion.cmake @ 1284:2dc66e510fa7

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(issue149) adding a description on how we offer the "corresponding source" code.
author Bernhard Reiter <bernhard@intevation.de>
date Mon, 29 Sep 2014 12:34:27 +0200
parents 7a8f5b85fd9a
children
rev   line source
495
7a8f5b85fd9a Dynamically generate version information from HG
Andre Heinecke <aheinecke@intevation.de>
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1 # Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik
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2 # Software engineering by Intevation GmbH
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3 #
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4 # This file is Free Software under the GNU GPL (v>=2)
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5 # and comes with ABSOLUTELY NO WARRANTY!
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6 # See LICENSE.txt for details.
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7
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8 # This makes some variables available to generate a nice version number for
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9 # hg managed repositories.
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10 # It sets HG_REVISION_TAG to the value of the latest tag
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11 # HG_REVISION_DIST to the differences between the tag and the current tip
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12 # HG_REVISION_ID to the actual revision
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13 # based on code found in the lemon graph library https://lemon.cs.elte.hu
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14 # HG_REVISON to a nice combination of those.
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15 find_package(Hg)
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16 if (HG_FOUND)
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17 EXECUTE_PROCESS(
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18 COMMAND
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19 hg log -r. --template "{latesttag}"
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20 WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
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21 OUTPUT_VARIABLE HG_REVISION_TAG
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22 ERROR_QUIET
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23 OUTPUT_STRIP_TRAILING_WHITESPACE
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24 )
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25 EXECUTE_PROCESS(
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26 COMMAND
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27 hg log -r. --template "{latesttagdistance}"
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28 WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
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29 OUTPUT_VARIABLE HG_REVISION_DIST
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30 ERROR_QUIET
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31 OUTPUT_STRIP_TRAILING_WHITESPACE
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32 )
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33 EXECUTE_PROCESS(
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34 COMMAND
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35 hg log -r. --template "{node|short}"
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36 WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
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37 OUTPUT_VARIABLE HG_REVISION_ID
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38 ERROR_QUIET
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39 OUTPUT_STRIP_TRAILING_WHITESPACE
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40 )
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41
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42 IF(HG_REVISION_TAG STREQUAL "")
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43 SET(HG_REVISION_ID "hg-tip")
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44 ELSE()
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45 IF(HG_REVISION_TAG STREQUAL "null")
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46 SET(HG_REVISION_TAG "trunk")
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47 ELSEIF(HG_REVISION_TAG MATCHES "^r")
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48 STRING(SUBSTRING ${HG_REVISION_TAG} 1 -1 HG_REVISION_TAG)
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49 ENDIF()
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50 IF(HG_REVISION_DIST STREQUAL "0")
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51 SET(HG_REVISION ${HG_REVISION_TAG})
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52 ELSE()
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53 SET(HG_REVISION
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54 "${HG_REVISION_TAG}+${HG_REVISION_DIST}-${HG_REVISION_ID}")
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55 ENDIF()
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56 ENDIF()
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57 ENDIF()
http://wald.intevation.org/projects/trustbridge/