[RFC PATCH v2 05/36] http: make http_get_file() external

["Ævar Arnfjörð Bjarmason" <avarab@gmail.com>]

From: Derrick Stolee <derrickstolee@github.com>

This method will be used in an upcoming extension of git-remote-curl to
download a single file over HTTP(S) by request.

Signed-off-by: Derrick Stolee <derrickstolee@github.com>
---
 http.c | 4 ++--
 http.h | 9 +++++++++
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/http.c b/http.c
index 229da4d1488..04e73149357 100644
--- a/http.c
+++ b/http.c
@@ -1945,8 +1945,8 @@ int http_get_strbuf(const char *url,
  * If a previous interrupted download is detected (i.e. a previous temporary
  * file is still around) the download is resumed.
  */
-static int http_get_file(const char *url, const char *filename,
-			 struct http_get_options *options)
+int http_get_file(const char *url, const char *filename,
+		  struct http_get_options *options)
 {
 	int ret;
 	struct strbuf tmpfile = STRBUF_INIT;
diff --git a/http.h b/http.h
index df1590e53a4..ba303cfb372 100644
--- a/http.h
+++ b/http.h
@@ -163,6 +163,15 @@ struct http_get_options {
  */
 int http_get_strbuf(const char *url, struct strbuf *result, struct http_get_options *options);
 
+/*
+ * Downloads a URL and stores the result in the given file.
+ *
+ * If a previous interrupted download is detected (i.e. a previous temporary
+ * file is still around) the download is resumed.
+ */
+int http_get_file(const char *url, const char *filename,
+		  struct http_get_options *options);
+
 int http_fetch_ref(const char *base, struct ref *ref);
 
 /* Helpers for fetching packs */
-- 
2.36.0.rc2.902.g60576bbc845