- added --git-revision to mapnik-config

- related to #903

utils/mapnik-config/build.py

@@ -10,7 +10,7 @@ config_env = env.Clone()
 
 # TODO
 # major/minor versions
-# git hash
+# git rev-list --max-count=1 HEAD
 
 config_variables = '''#!/bin/sh
 
@@ -26,6 +26,7 @@ CONFIG_DEP_LIBS='%(dep_libs)s'
 CONFIG_OTHER_INCLUDES='%(other_includes)s'
 CONFIG_FONTS='%(fonts)s'
 CONFIG_INPUT_PLUGINS='%(input_plugins)s'
+CONFIG_GIT_REVISION='%(git_revision)s'
 CONFIG_SVN_REVISION='%(svn_revision)s'
 
 CONFIG_JSON="{
@@ -39,7 +40,8 @@ CONFIG_JSON="{
   \\"other_includes\\": \\"${CONFIG_OTHER_INCLUDES}\\",
   \\"fonts\\": \\"${CONFIG_FONTS}\\",
   \\"input_plugins\\": \\"${CONFIG_INPUT_PLUGINS}\\",
-  \\"svn_revision\\": ${CONFIG_SVN_REVISION}
+  \\"git_revision\\": \\"${CONFIG_GIT_REVISION}\\",
+  \\"svn_revision\\": ${CONFIG_SVN_REVISION},
 }"
 
 '''
@@ -73,6 +75,8 @@ dep_libs = ''.join([' -l%s' % i for i in env['LIBMAPNIK_LIBS']])
 if env['INTERNAL_LIBAGG']:
     dep_libs = dep_libs.replace('-lagg','')
 
+git_revision = os.popen("git rev-list --max-count=1 HEAD").read()
+
 configuration = {
     "prefix": config_env['PREFIX'],
     "mapnik_libname": 'mapnik2',
@@ -83,6 +87,7 @@ configuration = {
     "fonts": config_env['MAPNIK_FONTS'],
     "input_plugins": config_env['MAPNIK_INPUT_PLUGINS'],
     "svn_revision": config_env['SVN_REVISION'],
+    "git_revision": git_revision,
     "version": config_env['MAPNIK_VERSION_STRING'],
 }
 

utils/mapnik-config/mapnik-config.template.sh

@@ -19,7 +19,8 @@ Known values for OPTION are:
   --json            print all config options as json object
   --help            display this help and exit
   -v --version      output version information
-  --svn-revision    output svn revision information
+  --git-revision    output git hash
+  --svn-revision    output svn revision information (deprecated)
 EOF
 
     exit $1
@@ -59,6 +60,10 @@ while test $# -gt 0; do
       echo $CONFIG_JSON
       ;;
 
+    --git-revision)
+      echo ${CONFIG_GIT_REVISION}
+      ;;
+
     --svn-revision)
       echo ${CONFIG_SVN_REVISION}
       ;;