Rename git revision files to simple version

Add package description function and simple documentation


Former-commit-id: c363b8223a62e9c5752a2e0ade55e3b96e341985

.gitignore

@@ -11,7 +11,7 @@ config.sub
 ltmain.sh
 libtool
 
-src/git_revision.h
+src/version.h
 swift*.tar.gz
 doc/doxyfile.stamp
 doc/html/

examples/test.c

@@ -573,7 +573,7 @@ int main ( int argc , char *argv[] ) {
 #endif
 
     /* Greeting message */
-    message( "This is %s\n", package_version() );
+    message( "This is %s\n", package_description() );
     
     /* Init the space. */
     bzero( &s , sizeof(struct space) );

src/Makefile.am

@@ -40,7 +40,7 @@ include_HEADERS = space.h runner.h queue.h task.h lock.h cell.h part.h const.h \
 # Common source files
 AM_SOURCES = space.c runner.c queue.c task.c cell.c engine.c \
     serial_io.c timers.c debug.c scheduler.c proxy.c parallel_io.c \
-    units.c common_io.c multipole.c git_revision.c
+    units.c common_io.c multipole.c version.c
 
 # Include files for distribution, not installation.
 noinst_HEADERS = atomic.h cycle.h error.h inline.h kernel.h vector.h \
@@ -56,16 +56,17 @@ libswiftsim_mpi_la_CFLAGS = $(AM_CFLAGS) -DWITH_MPI
 libswiftsim_mpi_la_SHORTNAME = mpi
 
 
-# Git revision, if any sources change then update the git_revision.h file.
-git_revision.h: git_revision.h.in $(AM_SOURCES) $(include_HEADERS) $(noinst_HEADERS)
+# Versioning. If any sources change then update the version.h file with
+# the current git revision and package version.
+version.h: version.h.in $(AM_SOURCES) $(include_HEADERS) $(noinst_HEADERS)
 	if test "X$(GIT_CMD)" != "X"; then \
 	    GIT_REVISION=`git describe --abbrev=8  --always --tags --dirty`; \
 	    sed -e "s,@PACKAGE_VERSION\@,$(PACKAGE_VERSION)," \
-	        -e "s,@GIT_REVISION\@,$${GIT_REVISION}," git_revision.h.in > git_revision.h; \
+	        -e "s,@GIT_REVISION\@,$${GIT_REVISION}," version.h.in > version.h; \
 	fi
 
-#  Make sure git_revision is built first.
-BUILT_SOURCES = git_revision.h
+#  Make sure version.h is built first.
+BUILT_SOURCES = version.h
 
-#  And distribute the built file.
-EXTRA_DIST = git_revision.h git_revision.h.in
+#  And distribute the built files.
+EXTRA_DIST = version.h version.h.in

src/swift.h

@@ -41,7 +41,7 @@
 #include "serial_io.h"
 #include "parallel_io.h"
 #include "debug.h"
-#include "git_revision.h"
+#include "version.h"
 
 #ifdef LEGACY_GADGET2_SPH
 #include "runner_iact_legacy.h"

src/git_revision.c → src/version.c

 /*******************************************************************************
  * This file is part of SWIFT.
- * Coypright (c) 2012 Matthieu Schaller (matthieu.schaller@durham.ac.uk).
+ * Copyright (C) 2012 Matthieu Schaller (matthieu.schaller@durham.ac.uk).
+ * Copyright (C) 2015 Peter W. Draper (p.w.draper@durham.ac.uk).
  * 
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published
@@ -18,15 +19,33 @@
  ******************************************************************************/
 
 #include <stdio.h>
-#include "git_revision.h"
+#include "version.h"
 
+/**
+ * @brief Return the source code git revision
+ *
+ * @details The SHA of the code checked out when the library was last built. 
+ * Will include -dirty if they are local modifications.
+ */
 const char *git_revision( void )
 {
     static const char *revision = GIT_REVISION;
     return revision;
 }
 
+/**
+ * @brief The version of SWIFT
+ */
 const char *package_version( void )
+{
+    static const char *version = PACKAGE_VERSION;
+    return version;
+}
+
+/**
+ * @brief A description of the package version and code status.
+ */
+const char *package_description( void )
 {
     static char buf[256];
     static int initialised = 0;

src/git_revision.h.in → src/version.h.in

@@ -17,18 +17,19 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  * 
  ******************************************************************************/
-#ifndef GIT_REVISION_H
-#define GIT_REVISION_H
+#ifndef SWIFT_VERSION_H
+#define SWIFT_VERSION_H
 
 /**
- * @file git_revision.h
+ * @file version.h.in
  * @brief Package version and git revision sha.
  */
 
 #define PACKAGE_VERSION "@PACKAGE_VERSION@"
 #define GIT_REVISION "@GIT_REVISION@"
 
+const char* package_description( void );
 const char* package_version(void);
 const char* git_revision(void);
 
-#endif /* GIT_REVISION_H */
+#endif /* SWIFT_VERSION_H */