generate version information via git describe

1 files changed, 80 insertions, 0 deletions

diff --git a/cmake/BareosVersionFromGit.cmake b/cmake/BareosVersionFromGit.cmake
new file mode 100644
index 000000000..40b59e756
--- /dev/null
+++ b/cmake/BareosVersionFromGit.cmake
@@ -0,0 +1,80 @@
+# BAREOS® - Backup Archiving REcovery Open Sourced
+#
+# Copyright (C) 2019-2019 Bareos GmbH & Co. KG
+#
+# This program is Free Software; you can redistribute it and/or modify it under
+# the terms of version three of the GNU Affero General Public License as
+# published by the Free Software Foundation and included in the file LICENSE.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Affero General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc., 51
+# Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+# Extract version information and commit timestamp if run in a git checkout
+
+if(Git_FOUND)
+  execute_process(COMMAND ${GIT_EXECUTABLE}
+                          log
+                          -1
+                          --pretty=format:%ct
+                  RESULT_VARIABLE GIT_COMMIT_TIMESTAMP_RESULT
+                  OUTPUT_VARIABLE GIT_COMMIT_TIMESTAMP
+                  ERROR_QUIET)
+endif()
+
+if(GIT_COMMIT_TIMESTAMP_RESULT EQUAL 0)
+  execute_process(COMMAND ${GIT_EXECUTABLE}
+                          describe
+                          --tags
+                          --exact-match
+                          --match
+                          "Release/*"
+                          --dirty=.dirty
+                  RESULT_VARIABLE GIT_DESCRIBE_RELEASE_RESULT
+                  OUTPUT_VARIABLE GIT_DESCRIBE_OUTPUT
+                  ERROR_QUIET
+                  OUTPUT_STRIP_TRAILING_WHITESPACE)
+  if(NOT GIT_DESCRIBE_RELEASE_RESULT EQUAL 0)
+    execute_process(COMMAND ${GIT_EXECUTABLE}
+                            describe
+                            --tags
+                            --match
+                            "WIP/*"
+                            --dirty=.dirty
+                    RESULT_VARIABLE GIT_DESCRIBE_WIP_RESULT
+                    OUTPUT_VARIABLE GIT_DESCRIBE_OUTPUT
+                    ERROR_QUIET
+                    OUTPUT_STRIP_TRAILING_WHITESPACE)
+  endif()
+endif()
+
+if(NOT GIT_DESCRIBE_OUTPUT STREQUAL "")
+  set(GIT_DESCRIBE_REGEX_LONG
+      "^([^/]+)/([^-]+)-(([^-]+)?)-?([0-9]+)-g([0-9a-f]+(.dirty)?)[ \n]*")
+  set(GIT_DESCRIBE_REPLACE_LONG "\\2-\\3\\5.\\6")
+  set(GIT_DESCRIBE_REGEX_SHORT "^([^/]+)/([0-9.]+)((-[^-]+)?)((.dirty)?)[ \n]*")
+  set(GIT_DESCRIBE_REPLACE_SHORT "\\2\\3\\5")
+
+  string(REGEX MATCH
+               "${GIT_DESCRIBE_REGEX_LONG}"
+               GIT_DESCRIBE_REGEX_LONG_MATCH
+               "${GIT_DESCRIBE_OUTPUT}")
+  if(GIT_DESCRIBE_REGEX_LONG_MATCH STREQUAL "")
+    string(REGEX
+           REPLACE "${GIT_DESCRIBE_REGEX_SHORT}"
+                   "${GIT_DESCRIBE_REPLACE_SHORT}"
+                   GIT_DESCRIBE_VERSION
+                   "${GIT_DESCRIBE_OUTPUT}")
+  else()
+    string(REGEX
+           REPLACE "${GIT_DESCRIBE_REGEX_LONG}"
+                   "${GIT_DESCRIBE_REPLACE_LONG}"
+                   GIT_DESCRIBE_VERSION
+                   "${GIT_DESCRIBE_OUTPUT}")
+  endif()
+endif()