File libgit2-boo1110949.patch of Package libgit2.9827

diff -urpN libgit2-0.24.1.orig/src/submodule.c libgit2-0.24.1/src/submodule.c
--- libgit2-0.24.1.orig/src/submodule.c	2018-11-30 17:37:24.506940451 -0600
+++ libgit2-0.24.1/src/submodule.c	2018-11-30 17:35:15.734259191 -0600
@@ -1748,6 +1748,14 @@ static int get_value(const char **out, g
 	return error;
 }
 
+static bool looks_like_command_line_option(const char *s)
+{
+	if (s && s[0] == '-')
+		return true;
+
+	return false;
+}
+
 static int submodule_read_config(git_submodule *sm, git_config *cfg)
 {
 	git_buf key = GIT_BUF_INIT;
@@ -1761,24 +1769,31 @@ static int submodule_read_config(git_sub
 
 	if ((error = get_value(&value, cfg, &key, sm->name, "path")) == 0) {
 		in_config = 1;
+		/* We would warn here if we had that API */
+		if (!looks_like_command_line_option(value)) {
 	/*
 	 * TODO: if case insensitive filesystem, then the following strcmp
 	 * should be strcasecmp
 	 */
-		if (strcmp(sm->name, value) != 0) {
-			if (sm->path != sm->name)
-				git__free(sm->path);
-			sm->path = git__strdup(value);
-			GITERR_CHECK_ALLOC(sm->path);
+			if (strcmp(sm->name, value) != 0) {
+				if (sm->path != sm->name)
+					git__free(sm->path);
+				sm->path = git__strdup(value);
+				GITERR_CHECK_ALLOC(sm->path);
+			}
+
 		}
 	} else if (error != GIT_ENOTFOUND) {
 		goto cleanup;
 	}
 
 	if ((error = get_value(&value, cfg, &key, sm->name, "url")) == 0) {
-		in_config = 1;
-		sm->url = git__strdup(value);
-		GITERR_CHECK_ALLOC(sm->url);
+		/* We would warn here if we had that API */
+		if (!looks_like_command_line_option(value)) {
+			in_config = 1;
+			sm->url = git__strdup(value);
+			GITERR_CHECK_ALLOC(sm->url);
+		}
 	} else if (error != GIT_ENOTFOUND) {
 		goto cleanup;
 	}
diff -urpN libgit2-0.24.1.orig/tests/submodule/inject_option.c libgit2-0.24.1/tests/submodule/inject_option.c
--- libgit2-0.24.1.orig/tests/submodule/inject_option.c	1969-12-31 18:00:00.000000000 -0600
+++ libgit2-0.24.1/tests/submodule/inject_option.c	2018-11-30 16:36:15.372494880 -0600
@@ -0,0 +1,80 @@
+#include "clar_libgit2.h"
+#include "posix.h"
+#include "path.h"
+#include "submodule_helpers.h"
+#include "fileops.h"
+#include "repository.h"
+
+static git_repository *g_repo = NULL;
+
+void test_submodule_inject_option__initialize(void)
+{
+	g_repo = setup_fixture_submodule_simple();
+}
+
+void test_submodule_inject_option__cleanup(void)
+{
+	cl_git_sandbox_cleanup();
+}
+
+static int find_naughty(git_submodule *sm, const char *name, void *payload)
+{
+	int *foundit = (int *) payload;
+
+	GIT_UNUSED(sm);
+
+	if (!git__strcmp("naughty", name))
+		*foundit = true;
+
+	return 0;
+}
+
+void test_submodule_inject_option__url(void)
+{
+	int foundit;
+	git_submodule *sm;
+	git_buf buf = GIT_BUF_INIT;
+
+	cl_git_pass(git_buf_joinpath(&buf, git_repository_workdir(g_repo), ".gitmodules"));
+	cl_git_rewritefile(buf.ptr,
+			   "[submodule \"naughty\"]\n"
+			   "    path = testrepo\n"
+			   "    url = -u./payload\n");
+	git_buf_free(&buf);
+
+	/* We do want to find it, but with the appropriate field empty */
+	foundit = 0;
+	cl_git_pass(git_submodule_foreach(g_repo, find_naughty, &foundit));
+	cl_assert_equal_i(1, foundit);
+
+	cl_git_pass(git_submodule_lookup(&sm, g_repo, "naughty"));
+	cl_assert_equal_s("testrepo", git_submodule_path(sm));
+	cl_assert_equal_p(NULL, git_submodule_url(sm));
+
+	git_submodule_free(sm);
+}
+
+void test_submodule_inject_option__path(void)
+{
+	int foundit;
+	git_submodule *sm;
+	git_buf buf = GIT_BUF_INIT;
+
+	cl_git_pass(git_buf_joinpath(&buf, git_repository_workdir(g_repo), ".gitmodules"));
+	cl_git_rewritefile(buf.ptr,
+			   "[submodule \"naughty\"]\n"
+			   "    path = --something\n"
+			   "    url = blah.git\n");
+	git_buf_free(&buf);
+
+	/* We do want to find it, but with the appropriate field empty */
+	foundit = 0;
+	cl_git_pass(git_submodule_foreach(g_repo, find_naughty, &foundit));
+	cl_assert_equal_i(1, foundit);
+
+	cl_git_pass(git_submodule_lookup(&sm, g_repo, "naughty"));
+	cl_assert_equal_s("naughty", git_submodule_path(sm));
+	cl_assert_equal_s("blah.git", git_submodule_url(sm));
+
+	git_submodule_free(sm);
+}
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