Add support for hash generation for git repository (local modifier not implemented)

(cherry picked from commit 3da7d62b1a0ff2cb766cd22247f45fced8792897)

tests/Makefile

@@ -2496,12 +2496,23 @@ distclean: clean fpc_distclean
 digest : utils
 	-$(DIGEST) $(LOG)
 SVNVERSION:=$(firstword $(wildcard $(addsuffix /svnversion$(SRCEXEEXT),$(SEARCHPATH))))
+GIT:=$(firstword $(wildcard $(addsuffix /git$(SRCEXEEXT),$(SEARCHPATH))))
+ifneq ($(wildcard ../.git),)
+ifneq ($(GIT),)
+GIT_GET_HASH=$(GIT) log -1 --format=%h
+SVN_TESTS_REV_STR=$(shell $(GIT_GET_HASH) .)
+SVN_COMPILER_REV_STR=$(shell $(GIT_GET_HASH) ../compiler)
+SVN_RTL_REV_STR=$(shell $(GIT_GET_HASH) ../rtl)
+SVN_PACKAGES_REV_STR=$(shell $(GIT_GET_HASH) ../packages)
+else
 ifneq ($(SVNVERSION),)
 SVN_TESTS_REV_STR=$(shell $(SVNVERSION) -c .)
 SVN_COMPILER_REV_STR=$(shell $(SVNVERSION) -c ../compiler)
 SVN_RTL_REV_STR=$(shell $(SVNVERSION) -c ../rtl)
 SVN_PACKAGES_REV_STR=$(shell $(SVNVERSION) -c ../packages)
 endif
+endif
+endif
 $(TEST_OUTPUTDIR)/dbdigest.cfg:
 	$(ECHOREDIR) OS=$(TEST_OS_TARGET) > $(TEST_OUTPUTDIR)/dbdigest.cfg
 	$(ECHOREDIR) CPU=$(TEST_CPU_TARGET) >> $(TEST_OUTPUTDIR)/dbdigest.cfg
@@ -2522,7 +2533,7 @@ endif
 ifneq ($(TEST_FPC_FULLVERSION),)
 	$(ECHOREDIR) CompilerFullVersion=$(TEST_FPC_FULLVERSION) >> $(TEST_OUTPUTDIR)/dbdigest.cfg
 endif
-ifneq ($(SVNVERSION),)
+ifneq ($(SVN_TESTS_REV_STR),)
 	$(ECHOREDIR) svntestsrevision=$(SVN_TESTS_REV_STR) >> $(TEST_OUTPUTDIR)/dbdigest.cfg
 	$(ECHOREDIR) svncompilerrevision=$(SVN_COMPILER_REV_STR) >> $(TEST_OUTPUTDIR)/dbdigest.cfg
 	$(ECHOREDIR) svnrtlrevision=$(SVN_RTL_REV_STR) >> $(TEST_OUTPUTDIR)/dbdigest.cfg

tests/Makefile.fpc

@@ -607,12 +607,23 @@ digest : utils
 
 
 SVNVERSION:=$(firstword $(wildcard $(addsuffix /svnversion$(SRCEXEEXT),$(SEARCHPATH))))
+GIT:=$(firstword $(wildcard $(addsuffix /git$(SRCEXEEXT),$(SEARCHPATH))))
+ifneq ($(wildcard ../.git),)
+ifneq ($(GIT),)
+GIT_GET_HASH=$(GIT) log -1 --format=%h
+SVN_TESTS_REV_STR=$(shell $(GIT_GET_HASH) .)
+SVN_COMPILER_REV_STR=$(shell $(GIT_GET_HASH) ../compiler)
+SVN_RTL_REV_STR=$(shell $(GIT_GET_HASH) ../rtl)
+SVN_PACKAGES_REV_STR=$(shell $(GIT_GET_HASH) ../packages)
+else
 ifneq ($(SVNVERSION),)
 SVN_TESTS_REV_STR=$(shell $(SVNVERSION) -c .)
 SVN_COMPILER_REV_STR=$(shell $(SVNVERSION) -c ../compiler)
 SVN_RTL_REV_STR=$(shell $(SVNVERSION) -c ../rtl)
 SVN_PACKAGES_REV_STR=$(shell $(SVNVERSION) -c ../packages)
 endif
+endif
+endif
 
 $(TEST_OUTPUTDIR)/dbdigest.cfg:
         $(ECHOREDIR) OS=$(TEST_OS_TARGET) > $(TEST_OUTPUTDIR)/dbdigest.cfg
@@ -634,7 +645,7 @@ endif
 ifneq ($(TEST_FPC_FULLVERSION),)
         $(ECHOREDIR) CompilerFullVersion=$(TEST_FPC_FULLVERSION) >> $(TEST_OUTPUTDIR)/dbdigest.cfg
 endif
-ifneq ($(SVNVERSION),)
+ifneq ($(SVN_TESTS_REV_STR),)
         $(ECHOREDIR) svntestsrevision=$(SVN_TESTS_REV_STR) >> $(TEST_OUTPUTDIR)/dbdigest.cfg
         $(ECHOREDIR) svncompilerrevision=$(SVN_COMPILER_REV_STR) >> $(TEST_OUTPUTDIR)/dbdigest.cfg
         $(ECHOREDIR) svnrtlrevision=$(SVN_RTL_REV_STR) >> $(TEST_OUTPUTDIR)/dbdigest.cfg