t/README: A new section about test coverage

[thirdparty/git.git] / Makefile

diff --git a/Makefile b/Makefile
index bc3c57058faba66f6a7a947e1e9642f47053b5bb..c83fc29993f4cd9ea7b846449148266e65110333 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1485,6 +1485,7 @@ ifndef V
        QUIET_BUILT_IN = @echo '   ' BUILTIN $@;
        QUIET_GEN      = @echo '   ' GEN $@;
        QUIET_LNCP     = @echo '   ' LN/CP $@;
+       QUIET_GCOV     = @echo '   ' GCOV $@;
        QUIET_SUBDIR0  = +@subdir=
        QUIET_SUBDIR1  = ;$(NO_SUBDIR) echo '   ' SUBDIR $$subdir; \
                         $(MAKE) $(PRINT_DIR) -C $$subdir
@@ -1854,8 +1855,9 @@ builtin/prune.o builtin/reflog.o reachable.o: reachable.h
 builtin/commit.o builtin/revert.o wt-status.o: wt-status.h
 builtin/tar-tree.o archive-tar.o: tar.h
 builtin/pack-objects.o: thread-utils.h
+connect.o transport.o http-backend.o: url.h
 http-fetch.o http-walker.o remote-curl.o transport.o walker.o: walker.h
-http.o http-walker.o http-push.o remote-curl.o: http.h
+http.o http-walker.o http-push.o http-fetch.o remote-curl.o: http.h
 
 xdiff-interface.o $(XDIFF_OBJS): \
        xdiff/xinclude.h xdiff/xmacros.h xdiff/xdiff.h xdiff/xtypes.h \
@@ -2075,10 +2077,19 @@ endif
        bindir=$$(cd '$(DESTDIR_SQ)$(bindir_SQ)' && pwd) && \
        execdir=$$(cd '$(DESTDIR_SQ)$(gitexec_instdir_SQ)' && pwd) && \
        { test "$$bindir/" = "$$execdir/" || \
-               { $(RM) "$$execdir/git$X" && \
+         for p in git$X $(filter $(install_bindir_programs),$(ALL_PROGRAMS)); do \
+               $(RM) "$$execdir/$$p" && \
                test -z "$(NO_CROSS_DIRECTORY_HARDLINKS)" && \
-               ln "$$bindir/git$X" "$$execdir/git$X" 2>/dev/null || \
-               cp "$$bindir/git$X" "$$execdir/git$X"; } ; } && \
+               ln "$$bindir/$$p" "$$execdir/$$p" 2>/dev/null || \
+               cp "$$bindir/$$p" "$$execdir/$$p" || exit; \
+         done; \
+       } && \
+       for p in $(filter $(install_bindir_programs),$(BUILT_INS)); do \
+               $(RM) "$$bindir/$$p" && \
+               ln "$$bindir/git$X" "$$bindir/$$p" 2>/dev/null || \
+               ln -s "git$X" "$$bindir/$$p" 2>/dev/null || \
+               cp "$$bindir/git$X" "$$bindir/$$p" || exit; \
+       done && \
        for p in $(BUILT_INS); do \
                $(RM) "$$execdir/$$p" && \
                ln "$$execdir/git$X" "$$execdir/$$p" 2>/dev/null || \
@@ -2254,6 +2265,7 @@ check-docs::
                documented,gitglossary | \
                documented,githooks | \
                documented,gitrepository-layout | \
+               documented,gitrevisions | \
                documented,gittutorial | \
                documented,gittutorial-2 | \
                documented,git-bisect-lk2009 | \
@@ -2280,11 +2292,18 @@ coverage:
        $(MAKE) coverage-build
        $(MAKE) coverage-report
 
+object_dirs := $(sort $(dir $(OBJECTS)))
 coverage-clean:
-       rm -f *.gcda *.gcno
+       $(RM) $(addsuffix *.gcov,$(object_dirs))
+       $(RM) $(addsuffix *.gcda,$(object_dirs))
+       $(RM) $(addsuffix *.gcno,$(object_dirs))
+       $(RM) coverage-untested-functions
+       $(RM) -r cover_db/
+       $(RM) -r cover_db_html/
 
 COVERAGE_CFLAGS = $(CFLAGS) -O0 -ftest-coverage -fprofile-arcs
 COVERAGE_LDFLAGS = $(CFLAGS)  -O0 -lgcov
+GCOVFLAGS = --preserve-paths --branch-probabilities --all-blocks
 
 coverage-build: coverage-clean
        $(MAKE) CFLAGS="$(COVERAGE_CFLAGS)" LDFLAGS="$(COVERAGE_LDFLAGS)" all
@@ -2292,7 +2311,17 @@ coverage-build: coverage-clean
                -j1 test
 
 coverage-report:
-       gcov -b *.c
+       $(QUIET_GCOV)for dir in $(object_dirs); do \
+               gcov $(GCOVFLAGS) --object-directory=$$dir $$dir*.c || exit; \
+       done
+
+coverage-untested-functions: coverage-report
        grep '^function.*called 0 ' *.c.gcov \
                | sed -e 's/\([^:]*\)\.gcov: *function \([^ ]*\) called.*/\1: \2/' \
-               | tee coverage-untested-functions
+               > coverage-untested-functions
+
+cover_db: coverage-report
+       gcov2perl -db cover_db *.gcov
+
+cover_db_html: cover_db
+       cover -report html -outputdir cover_db_html cover_db