Add the git commit (if applicable) to LyX version

This only works for autotools right now, but adding that to cmake is trivial

config/lyxinclude.m4

@@ -8,9 +8,10 @@ dnl Usage LYX_CHECK_VERSION   Displays version of LyX being built and
 dnl sets variable "build_type"
 AC_DEFUN([LYX_CHECK_VERSION],[
 echo "configuring LyX version" AC_PACKAGE_VERSION
+
+AC_MSG_CHECKING([for build type])
 lyx_devel_version=no
 lyx_prerelease=no
-AC_MSG_CHECKING([for build type])
 AC_ARG_ENABLE(build-type,
   AC_HELP_STRING([--enable-build-type=TYPE],[set build setting according to TYPE=rel(ease), pre(release), dev(elopment), prof(iling), gprof]),
   [case $enableval in
@@ -38,6 +39,16 @@ esac
 AC_SUBST(lyx_devel_version)
 ])
 
+dnl If LyX is compiled from a git clone, find the HEAD commit hash
+dnl
+dnl
+AC_DEFUN([LYX_CHECK_GIT_COMMIT], [
+AC_MSG_CHECKING([for git commit hash])
+lyxgitcommit=`cd "$srcdir" && git log -1 --pretty=format:%H 2>/dev/null || true`
+test x$lyxgitcommit = x && lyxgitcommit="none"
+AC_MSG_RESULT($lyxgitcommit)
+])
+
 
 dnl Define the option to set a LyX version on installed executables and directories
 dnl

configure.ac

@@ -35,6 +35,8 @@ AM_INIT_AUTOMAKE([foreign dist-bzip2 no-define 1.8] LYX_OBJECTS_LAYOUT)
 m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
 PACKAGE=$save_PACKAGE
 
+LYX_CHECK_GIT_COMMIT
+
 # Allow to build some parts of the code as one big chunk
 m4_define([ALLPARTS],[boost,client,insets,mathed,core,tex2lyx,frontend_qt])
 AC_ARG_ENABLE(monolithic-build,
@@ -322,6 +324,7 @@ AC_DEFINE_UNQUOTED([PROGRAM_SUFFIX],
 	"${version_suffix}",[Program version suffix])
 
 AC_DEFINE_UNQUOTED([LYX_DATE],"$LYX_DATE",[Date of release])
+AC_DEFINE_UNQUOTED([LYX_GIT_COMMIT_HASH], "$lyxgitcommit", [Git commit])
 AC_DEFINE_UNQUOTED([VERSION_INFO],"$VERSION_INFO",[Full version info])
 AC_DEFINE_UNQUOTED([LYX_DIR_VER],"$lyx_dir_ver",[Versioned env var for system dir])
 AC_DEFINE_UNQUOTED([LYX_USERDIR_VER],"$lyx_userdir_ver",[Versioned env var for user dir])

src/LyX.cpp

@@ -1089,9 +1089,11 @@ int parse_version(string const &, string const &, string &)
 {
 	cout << "LyX " << lyx_version
 	       << " (" << lyx_release_date << ")" << endl;
+	if (string(lyx_git_commit_hash) != "none")
+		cout << to_utf8(_("  Git commit hash "))
+		     << string(lyx_git_commit_hash).substr(0,8) << endl;
 	cout << to_utf8(bformat(_("Built on %1$s[[date]], %2$s[[time]]"),
 		from_ascii(__DATE__), from_ascii(__TIME__))) << endl;
-
 	cout << lyx_version_info << endl;
 	exit(0);
 	return 0;

src/frontends/qt4/GuiAbout.cpp

@@ -115,7 +115,12 @@ static QString version()
 	docstring version_date =
 		bformat(_("LyX Version %1$s\n(%2$s)"),
 			from_ascii(lyx_version),
-			qstring_to_ucs4(loc_release_date))+"\n\n";
+			qstring_to_ucs4(loc_release_date))+"\n";
+	if (std::string(lyx_git_commit_hash) != "none")
+		version_date += _("Built from git commit hash ")
+			+ from_utf8(lyx_git_commit_hash).substr(0,8);
+	version_date += "\n";
+
 	QString res;
 	QTextStream out(&res);
 	out << toqstr(version_date);
@@ -138,6 +143,9 @@ static QString buildinfo()
 	QTextStream out(&res);
 	out << "LyX " << lyx_version
 		<< " (" << lyx_release_date << ")" << endl;
+	if (std::string(lyx_git_commit_hash) != "none")
+		out << qt_("  Git commit hash ")
+		    << QString(lyx_git_commit_hash).left(8) << endl;
 	out << toqstr(bformat(_("Built on %1$s[[date]], %2$s[[time]]"),
 		from_ascii(__DATE__), from_ascii(__TIME__))) << endl;
 

src/version.cpp

@@ -20,6 +20,8 @@ extern char const * const lyx_version = PACKAGE_VERSION;
 extern const int lyx_version_major = LYX_MAJOR_VERSION;
 extern const int lyx_version_minor = LYX_MINOR_VERSION;
 ///
+extern char const * const lyx_git_commit_hash = LYX_GIT_COMMIT_HASH;
+///
 extern char const * const lyx_release_date = LYX_DATE;
 
 /// Package identifier (lyx[-<version-suffix>])

src/version.h

@@ -20,6 +20,8 @@ extern char const * const lyx_version;
 extern const int lyx_version_major;
 extern const int lyx_version_minor;
 ///
+extern char const * const lyx_git_commit_hash;
+///
 extern char const * const lyx_release_date;
 
 /// Package identifier (lyx[-<version-suffix>])