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authorJunio C Hamano <gitster@pobox.com>2022-02-23 16:58:03 -0800
committerJunio C Hamano <gitster@pobox.com>2022-02-23 16:58:03 -0800
commit8813596531c08ed7488f85805cd0ec974a9c7c96 (patch)
treedaabc937eaf2047f85c64811e8ac9c2bf05155af /revision.c
parentebb866adae4f2a13939d0a4bd6901a506e911dba (diff)
parent087c745833be1edd3b3e4d8ea5d8b1a09fc6c245 (diff)
Merge branch 'ah/log-no-graph'
"git log --graph --graph" used to leak a graph structure, and there
was no way to countermand "--graph" that appear earlier on the
command line.  A "--no-graph" option has been added and resource
leakage has been plugged.

* ah/log-no-graph:
  log: add a --no-graph option
  log: fix memory leak if --graph is passed multiple times
Diffstat (limited to 'revision.c')
-rw-r--r--revision.c20
1 files changed, 16 insertions, 4 deletions
diff --git a/revision.c b/revision.c
index d8d326d6b0..4c55c55880 100644
--- a/revision.c
+++ b/revision.c
@@ -2434,9 +2434,11 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
 		revs->pretty_given = 1;
 		revs->abbrev_commit = 1;
 	} else if (!strcmp(arg, "--graph")) {
-		revs->topo_order = 1;
-		revs->rewrite_parents = 1;
+		graph_clear(revs->graph);
 		revs->graph = graph_init(revs);
+	} else if (!strcmp(arg, "--no-graph")) {
+		graph_clear(revs->graph);
+		revs->graph = NULL;
 	} else if (!strcmp(arg, "--encode-email-headers")) {
 		revs->encode_email_headers = 1;
 	} else if (!strcmp(arg, "--no-encode-email-headers")) {
@@ -2533,8 +2535,6 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
 			unkv[(*unkc)++] = arg;
 		return opts;
 	}
-	if (revs->graph && revs->track_linear)
-		die(_("options '%s' and '%s' cannot be used together"), "--show-linear-break", "--graph");
 
 	return 1;
 }
@@ -2553,6 +2553,17 @@ void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx,
 	ctx->argc -= n;
 }
 
+void revision_opts_finish(struct rev_info *revs)
+{
+	if (revs->graph && revs->track_linear)
+		die(_("options '%s' and '%s' cannot be used together"), "--show-linear-break", "--graph");
+
+	if (revs->graph) {
+		revs->topo_order = 1;
+		revs->rewrite_parents = 1;
+	}
+}
+
 static int for_each_bisect_ref(struct ref_store *refs, each_ref_fn fn,
 			       void *cb_data, const char *term)
 {
@@ -2795,6 +2806,7 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct s
 			break;
 		}
 	}
+	revision_opts_finish(revs);
 
 	if (prune_data.nr) {
 		/*