Merge branch 'rs/cocci'

Code cleanup.

* rs/cocci:
  use strbuf_addstr() for adding constant strings to a strbuf, part 2
  add coccicheck make target
  contrib/coccinelle: fix semantic patch for oid_to_hex_r()

9 files changed, 38 insertions, 18 deletions

diff --git a/Makefile b/Makefile
index df4f86bb30..e8b060a235 100644
--- a/Makefile
+++ b/Makefile
@@ -461,6 +461,7 @@ CURL_CONFIG = curl-config
 PTHREAD_LIBS = -lpthread
 PTHREAD_CFLAGS =
 GCOV = gcov
+SPATCH = spatch
 
 export TCL_PATH TCLTK_PATH
 
@@ -2308,6 +2309,18 @@ check: common-cmds.h
 		exit 1; \
 	fi
 
+C_SOURCES = $(patsubst %.o,%.c,$(C_OBJ))
+%.cocci.patch: %.cocci $(C_SOURCES)
+	@echo '    ' SPATCH $<; \
+	for f in $(C_SOURCES); do \
+		$(SPATCH) --sp-file $< $$f; \
+	done >$@ 2>$@.log; \
+	if test -s $@; \
+	then \
+		echo '    ' SPATCH result: $@; \
+	fi
+coccicheck: $(patsubst %.cocci,%.cocci.patch,$(wildcard contrib/coccinelle/*.cocci))
+
 ### Installation rules
 
 ifneq ($(filter /%,$(firstword $(template_dir))),)
@@ -2499,6 +2512,7 @@ clean: profile-clean coverage-clean
 	$(RM) -r $(GIT_TARNAME) .doc-tmp-dir
 	$(RM) $(GIT_TARNAME).tar.gz git-core_$(GIT_VERSION)-*.tar.gz
 	$(RM) $(htmldocs).tar.gz $(manpages).tar.gz
+	$(RM) contrib/coccinelle/*.cocci.patch*
 	$(MAKE) -C Documentation/ clean
 ifndef NO_PERL
 	$(MAKE) -C gitweb clean
diff --git a/builtin/fmt-merge-msg.c b/builtin/fmt-merge-msg.c
index ac84e99f3a..dc2e9e420d 100644
--- a/builtin/fmt-merge-msg.c
+++ b/builtin/fmt-merge-msg.c
@@ -395,7 +395,7 @@ static void shortlog(const char *name,
 
 	for (i = 0; i < subjects.nr; i++)
 		if (i >= limit)
-			strbuf_addf(out, "  ...\n");
+			strbuf_addstr(out, "  ...\n");
 		else
 			strbuf_addf(out, "  %s\n", subjects.items[i].string);
 
diff --git a/builtin/merge.c b/builtin/merge.c
index 0ae099f746..a8b57c7d98 100644
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -940,7 +940,7 @@ static void write_merge_state(struct commit_list *remoteheads)
 
 	strbuf_reset(&buf);
 	if (fast_forward == FF_NO)
-		strbuf_addf(&buf, "no-ff");
+		strbuf_addstr(&buf, "no-ff");
 	write_file_buf(git_path_merge_mode(), buf.buf, buf.len);
 }
 
diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index 7b8ddfe6cf..432794b130 100644
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -860,8 +860,9 @@ static int update_clone_get_next_task(struct child_process *child,
 		ce = suc->failed_clones[index];
 		if (!prepare_to_clone_next_submodule(ce, child, suc, err)) {
 			suc->current ++;
-			strbuf_addf(err, "BUG: submodule considered for cloning,"
-				    "doesn't need cloning any more?\n");
+			strbuf_addstr(err, "BUG: submodule considered for "
+					   "cloning, doesn't need cloning "
+					   "any more?\n");
 			return 0;
 		}
 		p = xmalloc(sizeof(*p));
diff --git a/contrib/coccinelle/object_id.cocci b/contrib/coccinelle/object_id.cocci
index 8ccdbb5666..0307624a03 100644
--- a/contrib/coccinelle/object_id.cocci
+++ b/contrib/coccinelle/object_id.cocci
@@ -23,16 +23,16 @@ expression E1;
 + oid_to_hex(E1)
 
 @@
-expression E1;
+expression E1, E2;
 @@
-- sha1_to_hex_r(E1.hash)
-+ oid_to_hex_r(&E1)
+- sha1_to_hex_r(E1, E2.hash)
++ oid_to_hex_r(E1, &E2)
 
 @@
-expression E1;
+expression E1, E2;
 @@
-- sha1_to_hex_r(E1->hash)
-+ oid_to_hex_r(E1)
+- sha1_to_hex_r(E1, E2->hash)
++ oid_to_hex_r(E1, E2)
 
 @@
 expression E1;
diff --git a/contrib/coccinelle/strbuf.cocci b/contrib/coccinelle/strbuf.cocci
new file mode 100644
index 0000000000..7932d48cdf
--- /dev/null
+++ b/contrib/coccinelle/strbuf.cocci
@@ -0,0 +1,5 @@
+@@
+expression E1, E2;
+@@
+- strbuf_addf(E1, E2);
++ strbuf_addstr(E1, E2);
diff --git a/merge-recursive.c b/merge-recursive.c
index 3750d2534f..5200d5ccf8 100644
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -206,7 +206,7 @@ static void output_commit_title(struct merge_options *o, struct commit *commit)
 			find_unique_abbrev(commit->object.oid.hash,
 				DEFAULT_ABBREV));
 		if (parse_commit(commit) != 0)
-			strbuf_addf(&o->obuf, _("(bad commit)\n"));
+			strbuf_addstr(&o->obuf, _("(bad commit)\n"));
 		else {
 			const char *title;
 			const char *msg = get_commit_buffer(commit, NULL);
diff --git a/remote.c b/remote.c
index d29850a81c..ad6c5424ed 100644
--- a/remote.c
+++ b/remote.c
@@ -2073,7 +2073,7 @@ int format_tracking_info(struct branch *branch, struct strbuf *sb)
 			_("Your branch is based on '%s', but the upstream is gone.\n"),
 			base);
 		if (advice_status_hints)
-			strbuf_addf(sb,
+			strbuf_addstr(sb,
 				_("  (use \"git branch --unset-upstream\" to fixup)\n"));
 	} else if (!ours && !theirs) {
 		strbuf_addf(sb,
@@ -2086,7 +2086,7 @@ int format_tracking_info(struct branch *branch, struct strbuf *sb)
 			   ours),
 			base, ours);
 		if (advice_status_hints)
-			strbuf_addf(sb,
+			strbuf_addstr(sb,
 				_("  (use \"git push\" to publish your local commits)\n"));
 	} else if (!ours) {
 		strbuf_addf(sb,
@@ -2097,7 +2097,7 @@ int format_tracking_info(struct branch *branch, struct strbuf *sb)
 			   theirs),
 			base, theirs);
 		if (advice_status_hints)
-			strbuf_addf(sb,
+			strbuf_addstr(sb,
 				_("  (use \"git pull\" to update your local branch)\n"));
 	} else {
 		strbuf_addf(sb,
@@ -2110,7 +2110,7 @@ int format_tracking_info(struct branch *branch, struct strbuf *sb)
 			   ours + theirs),
 			base, ours, theirs);
 		if (advice_status_hints)
-			strbuf_addf(sb,
+			strbuf_addstr(sb,
 				_("  (use \"git pull\" to merge the remote branch into yours)\n"));
 	}
 	free(base);
diff --git a/wt-status.c b/wt-status.c
index 9a14658e7e..9628c1d5d7 100644
--- a/wt-status.c
+++ b/wt-status.c
@@ -367,11 +367,11 @@ static void wt_longstatus_print_change_data(struct wt_status *s,
 		if (d->new_submodule_commits || d->dirty_submodule) {
 			strbuf_addstr(&extra, " (");
 			if (d->new_submodule_commits)
-				strbuf_addf(&extra, _("new commits, "));
+				strbuf_addstr(&extra, _("new commits, "));
 			if (d->dirty_submodule & DIRTY_SUBMODULE_MODIFIED)
-				strbuf_addf(&extra, _("modified content, "));
+				strbuf_addstr(&extra, _("modified content, "));
 			if (d->dirty_submodule & DIRTY_SUBMODULE_UNTRACKED)
-				strbuf_addf(&extra, _("untracked content, "));
+				strbuf_addstr(&extra, _("untracked content, "));
 			strbuf_setlen(&extra, extra.len - 2);
 			strbuf_addch(&extra, ')');
 		}