filter: deprecate git_filter_list_apply_to_data

Deprecate `git_filter_list_apply_to_data` as it takes user input as a
`git_buf`.  Users should use `git_filter_list_apply_to_buffer` instead.

6 files changed, 111 insertions, 97 deletions

diff --git a/include/git2/deprecated.h b/include/git2/deprecated.h
index a51950906..ac60488ac 100644
--- a/include/git2/deprecated.h
+++ b/include/git2/deprecated.h
@@ -141,6 +141,16 @@ GIT_EXTERN(int) git_filter_list_stream_data(
 	git_buf *data,
 	git_writestream *target);
 
+/** Deprecated in favor of `git_filter_list_apply_to_buffer`.
+ *
+ * @deprecated Use git_filter_list_apply_to_buffer
+ * @see Use git_filter_list_apply_to_buffer
+ */
+GIT_EXTERN(int) git_filter_list_apply_to_data(
+	git_buf *out,
+	git_filter_list *filters,
+	git_buf *in);
+
 /**@}*/
 
 /** @name Deprecated Tree Functions
diff --git a/include/git2/filter.h b/include/git2/filter.h
index 3e84877df..a0185ee88 100644
--- a/include/git2/filter.h
+++ b/include/git2/filter.h
@@ -135,19 +135,6 @@ GIT_EXTERN(int) git_filter_list_apply_to_buffer(
 	size_t in_len);
 
 /**
- * Apply filter list to a data buffer.
- *
- * @param out Buffer to store the result of the filtering
- * @param filters A loaded git_filter_list (or NULL)
- * @param in Buffer containing the data to filter
- * @return 0 on success, an error code otherwise
- */
-GIT_EXTERN(int) git_filter_list_apply_to_data(
-	git_buf *out,
-	git_filter_list *filters,
-	git_buf *in);
-
-/**
  * Apply a filter list to the contents of a file on disk
  *
  * @param out buffer into which to store the filtered file
diff --git a/src/filter.c b/src/filter.c
index 2ba0f1e76..200d70517 100644
--- a/src/filter.c
+++ b/src/filter.c
@@ -742,17 +742,6 @@ int git_filter_list_apply_to_buffer(
 	return error;
 }
 
-int git_filter_list_apply_to_data(
-	git_buf *tgt, git_filter_list *filters, git_buf *src)
-{
-	int error;
-
-	if ((error = git_buf_sanitize(src)) < 0)
-	    return error;
-
-	return git_filter_list_apply_to_buffer(tgt, filters, src->ptr, src->size);
-}
-
 int git_filter_list_apply_to_file(
 	git_buf *out,
 	git_filter_list *filters,
@@ -1072,4 +1061,15 @@ int git_filter_list_stream_data(
 	return git_filter_list_stream_buffer(filters, data->ptr, data->size, target);
 }
 
+int git_filter_list_apply_to_data(
+	git_buf *tgt, git_filter_list *filters, git_buf *src)
+{
+	int error;
+
+	if ((error = git_buf_sanitize(src)) < 0)
+	    return error;
+
+	return git_filter_list_apply_to_buffer(tgt, filters, src->ptr, src->size);
+}
+
 #endif
diff --git a/tests/filter/crlf.c b/tests/filter/crlf.c
index a266005d4..bc9c7f289 100644
--- a/tests/filter/crlf.c
+++ b/tests/filter/crlf.c
@@ -23,7 +23,9 @@ void test_filter_crlf__to_worktree(void)
 {
 	git_filter_list *fl;
 	git_filter *crlf;
-	git_buf in = { 0 }, out = { 0 };
+	git_buf out = GIT_BUF_INIT;
+	const char *in;
+	size_t in_len;
 
 	cl_git_pass(git_filter_list_new(
 		&fl, g_repo, GIT_FILTER_TO_WORKTREE, 0));
@@ -33,10 +35,10 @@ void test_filter_crlf__to_worktree(void)
 
 	cl_git_pass(git_filter_list_push(fl, crlf, NULL));
 
-	in.ptr = "Some text\nRight here\n";
-	in.size = strlen(in.ptr);
+	in = "Some text\nRight here\n";
+	in_len = strlen(in);
 
-	cl_git_pass(git_filter_list_apply_to_data(&out, fl, &in));
+	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
 
 	cl_assert_equal_s("Some text\r\nRight here\r\n", out.ptr);
 
@@ -48,7 +50,9 @@ void test_filter_crlf__to_odb(void)
 {
 	git_filter_list *fl;
 	git_filter *crlf;
-	git_buf in = { 0 }, out = { 0 };
+	git_buf out = GIT_BUF_INIT;
+	const char *in;
+	size_t in_len;
 
 	cl_git_pass(git_filter_list_new(
 		&fl, g_repo, GIT_FILTER_TO_ODB, 0));
@@ -58,10 +62,10 @@ void test_filter_crlf__to_odb(void)
 
 	cl_git_pass(git_filter_list_push(fl, crlf, NULL));
 
-	in.ptr = "Some text\r\nRight here\r\n";
-	in.size = strlen(in.ptr);
+	in = "Some text\r\nRight here\r\n";
+	in_len = strlen(in);
 
-	cl_git_pass(git_filter_list_apply_to_data(&out, fl, &in));
+	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
 
 	cl_assert_equal_s("Some text\nRight here\n", out.ptr);
 
@@ -73,7 +77,9 @@ void test_filter_crlf__with_safecrlf(void)
 {
 	git_filter_list *fl;
 	git_filter *crlf;
-	git_buf in = {0}, out = GIT_BUF_INIT;
+	git_buf out = GIT_BUF_INIT;
+	const char *in;
+	size_t in_len;
 
 	cl_repo_set_bool(g_repo, "core.safecrlf", true);
 
@@ -86,31 +92,31 @@ void test_filter_crlf__with_safecrlf(void)
 	cl_git_pass(git_filter_list_push(fl, crlf, NULL));
 
 	/* Normalized \r\n succeeds with safecrlf */
-	in.ptr = "Normal\r\nCRLF\r\nline-endings.\r\n";
-	in.size = strlen(in.ptr);
+	in = "Normal\r\nCRLF\r\nline-endings.\r\n";
+	in_len = strlen(in);
 
-	cl_git_pass(git_filter_list_apply_to_data(&out, fl, &in));
+	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
 	cl_assert_equal_s("Normal\nCRLF\nline-endings.\n", out.ptr);
 
 	/* Mix of line endings fails with safecrlf */
-	in.ptr = "Mixed\nup\r\nLF\nand\r\nCRLF\nline-endings.\r\n";
-	in.size = strlen(in.ptr);
+	in = "Mixed\nup\r\nLF\nand\r\nCRLF\nline-endings.\r\n";
+	in_len = strlen(in);
 
-	cl_git_fail(git_filter_list_apply_to_data(&out, fl, &in));
+	cl_git_fail(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
 	cl_assert_equal_i(git_error_last()->klass, GIT_ERROR_FILTER);
 
 	/* Normalized \n fails for autocrlf=true when safecrlf=true */
-	in.ptr = "Normal\nLF\nonly\nline-endings.\n";
-	in.size = strlen(in.ptr);
+	in = "Normal\nLF\nonly\nline-endings.\n";
+	in_len = strlen(in);
 
-	cl_git_fail(git_filter_list_apply_to_data(&out, fl, &in));
+	cl_git_fail(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
 	cl_assert_equal_i(git_error_last()->klass, GIT_ERROR_FILTER);
 
 	/* String with \r but without \r\n does not fail with safecrlf */
-	in.ptr = "Normal\nCR only\rand some more\nline-endings.\n";
-	in.size = strlen(in.ptr);
+	in = "Normal\nCR only\rand some more\nline-endings.\n";
+	in_len = strlen(in);
 
-	cl_git_pass(git_filter_list_apply_to_data(&out, fl, &in));
+	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
 	cl_assert_equal_s("Normal\nCR only\rand some more\nline-endings.\n", out.ptr);
 
 	git_filter_list_free(fl);
@@ -121,7 +127,9 @@ void test_filter_crlf__with_safecrlf_and_unsafe_allowed(void)
 {
 	git_filter_list *fl;
 	git_filter *crlf;
-	git_buf in = {0}, out = GIT_BUF_INIT;
+	git_buf out = GIT_BUF_INIT;
+	const char *in;
+	size_t in_len;
 
 	cl_repo_set_bool(g_repo, "core.safecrlf", true);
 
@@ -134,25 +142,25 @@ void test_filter_crlf__with_safecrlf_and_unsafe_allowed(void)
 	cl_git_pass(git_filter_list_push(fl, crlf, NULL));
 
 	/* Normalized \r\n succeeds with safecrlf */
-	in.ptr = "Normal\r\nCRLF\r\nline-endings.\r\n";
-	in.size = strlen(in.ptr);
+	in = "Normal\r\nCRLF\r\nline-endings.\r\n";
+	in_len = strlen(in);
 
-	cl_git_pass(git_filter_list_apply_to_data(&out, fl, &in));
+	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
 	cl_assert_equal_s("Normal\nCRLF\nline-endings.\n", out.ptr);
 
 	/* Mix of line endings fails with safecrlf, but allowed to pass */
-	in.ptr = "Mixed\nup\r\nLF\nand\r\nCRLF\nline-endings.\r\n";
-	in.size = strlen(in.ptr);
+	in = "Mixed\nup\r\nLF\nand\r\nCRLF\nline-endings.\r\n";
+	in_len = strlen(in);
 
-	cl_git_pass(git_filter_list_apply_to_data(&out, fl, &in));
+	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
 	/* TODO: check for warning */
 	cl_assert_equal_s("Mixed\nup\nLF\nand\nCRLF\nline-endings.\n", out.ptr);
 
 	/* Normalized \n fails with safecrlf, but allowed to pass */
-	in.ptr = "Normal\nLF\nonly\nline-endings.\n";
-	in.size = strlen(in.ptr);
+	in = "Normal\nLF\nonly\nline-endings.\n";
+	in_len = strlen(in);
 
-	cl_git_pass(git_filter_list_apply_to_data(&out, fl, &in));
+	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
 	/* TODO: check for warning */
 	cl_assert_equal_s("Normal\nLF\nonly\nline-endings.\n", out.ptr);
 
@@ -164,7 +172,9 @@ void test_filter_crlf__no_safecrlf(void)
 {
 	git_filter_list *fl;
 	git_filter *crlf;
-	git_buf in = {0}, out = GIT_BUF_INIT;
+	git_buf out = GIT_BUF_INIT;
+	const char *in;
+	size_t in_len;
 
 	cl_git_pass(git_filter_list_new(
 		&fl, g_repo, GIT_FILTER_TO_ODB, 0));
@@ -175,24 +185,24 @@ void test_filter_crlf__no_safecrlf(void)
 	cl_git_pass(git_filter_list_push(fl, crlf, NULL));
 
 	/* Normalized \r\n succeeds with safecrlf */
-	in.ptr = "Normal\r\nCRLF\r\nline-endings.\r\n";
-	in.size = strlen(in.ptr);
+	in = "Normal\r\nCRLF\r\nline-endings.\r\n";
+	in_len = strlen(in);
 
-	cl_git_pass(git_filter_list_apply_to_data(&out, fl, &in));
+	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
 	cl_assert_equal_s("Normal\nCRLF\nline-endings.\n", out.ptr);
 
 	/* Mix of line endings fails with safecrlf */
-	in.ptr = "Mixed\nup\r\nLF\nand\r\nCRLF\nline-endings.\r\n";
-	in.size = strlen(in.ptr);
+	in = "Mixed\nup\r\nLF\nand\r\nCRLF\nline-endings.\r\n";
+	in_len = strlen(in);
 
-	cl_git_pass(git_filter_list_apply_to_data(&out, fl, &in));
+	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
 	cl_assert_equal_s("Mixed\nup\nLF\nand\nCRLF\nline-endings.\n", out.ptr);
 
 	/* Normalized \n fails with safecrlf */
-	in.ptr = "Normal\nLF\nonly\nline-endings.\n";
-	in.size = strlen(in.ptr);
+	in = "Normal\nLF\nonly\nline-endings.\n";
+	in_len = strlen(in);
 
-	cl_git_pass(git_filter_list_apply_to_data(&out, fl, &in));
+	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
 	cl_assert_equal_s("Normal\nLF\nonly\nline-endings.\n", out.ptr);
 
 	git_filter_list_free(fl);
@@ -203,7 +213,9 @@ void test_filter_crlf__safecrlf_warn(void)
 {
 	git_filter_list *fl;
 	git_filter *crlf;
-	git_buf in = {0}, out = GIT_BUF_INIT;
+	git_buf out = GIT_BUF_INIT;
+	const char *in;
+	size_t in_len;
 
 	cl_repo_set_string(g_repo, "core.safecrlf", "warn");
 
@@ -216,26 +228,26 @@ void test_filter_crlf__safecrlf_warn(void)
 	cl_git_pass(git_filter_list_push(fl, crlf, NULL));
 
 	/* Normalized \r\n succeeds with safecrlf=warn */
-	in.ptr = "Normal\r\nCRLF\r\nline-endings.\r\n";
-	in.size = strlen(in.ptr);
+	in = "Normal\r\nCRLF\r\nline-endings.\r\n";
+	in_len = strlen(in);
 
-	cl_git_pass(git_filter_list_apply_to_data(&out, fl, &in));
+	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
 	cl_assert_equal_s("Normal\nCRLF\nline-endings.\n", out.ptr);
 
 	/* Mix of line endings succeeds with safecrlf=warn */
-	in.ptr = "Mixed\nup\r\nLF\nand\r\nCRLF\nline-endings.\r\n";
-	in.size = strlen(in.ptr);
+	in = "Mixed\nup\r\nLF\nand\r\nCRLF\nline-endings.\r\n";
+	in_len = strlen(in);
 
-	cl_git_pass(git_filter_list_apply_to_data(&out, fl, &in));
+	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
 	/* TODO: check for warning */
 	cl_assert_equal_s("Mixed\nup\nLF\nand\nCRLF\nline-endings.\n", out.ptr);
 
 	/* Normalized \n is reversible, so does not fail with safecrlf=warn */
-	in.ptr = "Normal\nLF\nonly\nline-endings.\n";
-	in.size = strlen(in.ptr);
+	in = "Normal\nLF\nonly\nline-endings.\n";
+	in_len = strlen(in);
 
-	cl_git_pass(git_filter_list_apply_to_data(&out, fl, &in));
-	cl_assert_equal_s(in.ptr, out.ptr);
+	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
+	cl_assert_equal_s(in, out.ptr);
 
 	git_filter_list_free(fl);
 	git_buf_dispose(&out);
diff --git a/tests/filter/custom.c b/tests/filter/custom.c
index fe2025fc2..3554cb52c 100644
--- a/tests/filter/custom.c
+++ b/tests/filter/custom.c
@@ -95,13 +95,17 @@ static void register_custom_filters(void)
 void test_filter_custom__to_odb(void)
 {
 	git_filter_list *fl;
-	git_buf out = { 0 };
-	git_buf in = GIT_BUF_INIT_CONST(workdir_data, strlen(workdir_data));
+	git_buf out = GIT_BUF_INIT;
+	const char *in;
+	size_t in_len;
 
 	cl_git_pass(git_filter_list_load(
 		&fl, g_repo, NULL, "herofile", GIT_FILTER_TO_ODB, 0));
 
-	cl_git_pass(git_filter_list_apply_to_data(&out, fl, &in));
+	in = workdir_data;
+	in_len = strlen(workdir_data);
+
+	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
 
 	cl_assert_equal_i(BITFLIPPED_AND_REVERSED_DATA_LEN, out.size);
 
@@ -115,14 +119,17 @@ void test_filter_custom__to_odb(void)
 void test_filter_custom__to_workdir(void)
 {
 	git_filter_list *fl;
-	git_buf out = { 0 };
-	git_buf in = GIT_BUF_INIT_CONST(
-		bitflipped_and_reversed_data, BITFLIPPED_AND_REVERSED_DATA_LEN);
+	git_buf out = GIT_BUF_INIT;
+	const char *in;
+	size_t in_len;
 
 	cl_git_pass(git_filter_list_load(
 		&fl, g_repo, NULL, "herofile", GIT_FILTER_TO_WORKTREE, 0));
 
-	cl_git_pass(git_filter_list_apply_to_data(&out, fl, &in));
+	in = (char *)bitflipped_and_reversed_data;
+	in_len = BITFLIPPED_AND_REVERSED_DATA_LEN;
+
+	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
 
 	cl_assert_equal_i(strlen(workdir_data), out.size);
 
@@ -246,12 +253,16 @@ void test_filter_custom__erroneous_filter_fails(void)
 {
 	git_filter_list *filters;
 	git_buf out = GIT_BUF_INIT;
-	git_buf in = GIT_BUF_INIT_CONST(workdir_data, strlen(workdir_data));
+	const char *in;
+	size_t in_len;
 
 	cl_git_pass(git_filter_list_load(
 		&filters, g_repo, NULL, "villain", GIT_FILTER_TO_WORKTREE, 0));
 
-	cl_git_fail(git_filter_list_apply_to_data(&out, filters, &in));
+	in = workdir_data;
+	in_len = strlen(workdir_data);
+
+	cl_git_fail(git_filter_list_apply_to_buffer(&out, filters, in, in_len));
 
 	git_filter_list_free(filters);
 	git_buf_dispose(&out);
diff --git a/tests/filter/wildcard.c b/tests/filter/wildcard.c
index 3c25ea266..62a84ead5 100644
--- a/tests/filter/wildcard.c
+++ b/tests/filter/wildcard.c
@@ -123,13 +123,12 @@ static git_filter *create_wildcard_filter(void)
 void test_filter_wildcard__reverse(void)
 {
 	git_filter_list *fl;
-	git_buf in = GIT_BUF_INIT, out = GIT_BUF_INIT;
+	git_buf out = GIT_BUF_INIT;
 
 	cl_git_pass(git_filter_list_load(
 		&fl, g_repo, NULL, "hero-reverse-foo", GIT_FILTER_TO_ODB, 0));
 
-	cl_git_pass(git_buf_put(&in, (char *)input, DATA_LEN));
-	cl_git_pass(git_filter_list_apply_to_data(&out, fl, &in));
+	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, (char *)input, DATA_LEN));
 
 	cl_assert_equal_i(DATA_LEN, out.size);
 
@@ -138,19 +137,17 @@ void test_filter_wildcard__reverse(void)
 
 	git_filter_list_free(fl);
 	git_buf_dispose(&out);
-	git_buf_dispose(&in);
 }
 
 void test_filter_wildcard__flip(void)
 {
 	git_filter_list *fl;
-	git_buf in = GIT_BUF_INIT, out = GIT_BUF_INIT;
+	git_buf out = GIT_BUF_INIT;
 
 	cl_git_pass(git_filter_list_load(
 		&fl, g_repo, NULL, "hero-flip-foo", GIT_FILTER_TO_ODB, 0));
 
-	cl_git_pass(git_buf_put(&in, (char *)input, DATA_LEN));
-	cl_git_pass(git_filter_list_apply_to_data(&out, fl, &in));
+	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, (char *)input, DATA_LEN));
 
 	cl_assert_equal_i(DATA_LEN, out.size);
 
@@ -159,19 +156,17 @@ void test_filter_wildcard__flip(void)
 
 	git_filter_list_free(fl);
 	git_buf_dispose(&out);
-	git_buf_dispose(&in);
 }
 
 void test_filter_wildcard__none(void)
 {
 	git_filter_list *fl;
-	git_buf in = GIT_BUF_INIT, out = GIT_BUF_INIT;
+	git_buf out = GIT_BUF_INIT;
 
 	cl_git_pass(git_filter_list_load(
 		&fl, g_repo, NULL, "none-foo", GIT_FILTER_TO_ODB, 0));
 
-	cl_git_pass(git_buf_put(&in, (char *)input, DATA_LEN));
-	cl_git_pass(git_filter_list_apply_to_data(&out, fl, &in));
+	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, (char *)input, DATA_LEN));
 
 	cl_assert_equal_i(DATA_LEN, out.size);
 
@@ -180,5 +175,4 @@ void test_filter_wildcard__none(void)
 
 	git_filter_list_free(fl);
 	git_buf_dispose(&out);
-	git_buf_dispose(&in);
 }