Merge branch 'rs/cocci'

Code clean-up with help from coccinelle tool continues.

* rs/cocci:
  coccicheck: make transformation for strbuf_addf(sb, "...") more precise
  use strbuf_add_unique_abbrev() for adding short hashes, part 2
  use strbuf_addstr() instead of strbuf_addf() with "%s", part 2
  gitignore: ignore output files of coccicheck make target

Author: gitster

builtin/submodule--helper.c

@@ -753,7 +753,7 @@ static int prepare_to_clone_next_submodule(const struct cache_entry *ce,
 		if (suc->recursive_prefix)
 			strbuf_addf(&sb, "%s/%s", suc->recursive_prefix, ce->name);
 		else
-			strbuf_addf(&sb, "%s", ce->name);
+			strbuf_addstr(&sb, ce->name);
 		strbuf_addf(out, _("Skipping unmerged submodule %s"), sb.buf);
 		strbuf_addch(out, '\n');
 		goto cleanup;

contrib/coccinelle/.gitignore

@@ -0,0 +1 @@
+*.patch*

contrib/coccinelle/strbuf.cocci

@@ -1,5 +1,40 @@
+@ strbuf_addf_with_format_only @
+expression E;
+constant fmt;
+@@
+  strbuf_addf(E,
+(
+  fmt
+|
+  _(fmt)
+)
+  );
+
+@ script:python @
+fmt << strbuf_addf_with_format_only.fmt;
+@@
+cocci.include_match("%" not in fmt)
+
+@ extends strbuf_addf_with_format_only @
+@@
+- strbuf_addf
++ strbuf_addstr
+  (E,
+(
+  fmt
+|
+  _(fmt)
+)
+  );
+
 @@
 expression E1, E2;
 @@
-- strbuf_addf(E1, E2);
+- strbuf_addf(E1, "%s", E2);
 + strbuf_addstr(E1, E2);
+
+@@
+expression E1, E2, E3;
+@@
+- strbuf_addstr(E1, find_unique_abbrev(E2, E3));
++ strbuf_add_unique_abbrev(E1, E2, E3);

diff.c

@@ -3109,7 +3109,7 @@ static void fill_metainfo(struct strbuf *msg,
 		}
 		strbuf_addf(msg, "%s%sindex %s..", line_prefix, set,
 			    find_unique_abbrev(one->oid.hash, abbrev));
-		strbuf_addstr(msg, find_unique_abbrev(two->oid.hash, abbrev));
+		strbuf_add_unique_abbrev(msg, two->oid.hash, abbrev);
 		if (one->mode == two->mode)
 			strbuf_addf(msg, " %06o", one->mode);
 		strbuf_addf(msg, "%s\n", reset);

submodule.c

@@ -396,7 +396,7 @@ static void show_submodule_header(FILE *f, const char *path,
 			find_unique_abbrev(one->hash, DEFAULT_ABBREV));
 	if (!fast_backward && !fast_forward)
 		strbuf_addch(&sb, '.');
-	strbuf_addf(&sb, "%s", find_unique_abbrev(two->hash, DEFAULT_ABBREV));
+	strbuf_add_unique_abbrev(&sb, two->hash, DEFAULT_ABBREV);
 	if (message)
 		strbuf_addf(&sb, " %s%s\n", message, reset);
 	else

wt-status.c

@@ -1383,8 +1383,7 @@ static int grab_1st_switch(unsigned char *osha1, unsigned char *nsha1,
 	if (!strcmp(cb->buf.buf, "HEAD")) {
 		/* HEAD is relative. Resolve it to the right reflog entry. */
 		strbuf_reset(&cb->buf);
-		strbuf_addstr(&cb->buf,
-			      find_unique_abbrev(nsha1, DEFAULT_ABBREV));
+		strbuf_add_unique_abbrev(&cb->buf, nsha1, DEFAULT_ABBREV);
 	}
 	return 1;
 }