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authorMike Hommey <mh@glandium.org>2007-12-11 00:08:25 +0100
committerJunio C Hamano <gitster@pobox.com>2007-12-14 21:31:59 -0800
commitd7e92806cdc5ca78c4db879c68f91c70ff9e1ade (patch)
tree143a026ce36378df60b8d0d6a555713be3fa9ce8 /http.c
parent3a462bc9ba8cc46dcd5e49ae884968e1921c265f (diff)
downloadgit-d7e92806cdc5ca78c4db879c68f91c70ff9e1ade.tar.gz
Move fetch_ref from http-push.c and http-walker.c to http.c
Make the necessary changes to be ok with their difference, and rename the function http_fetch_ref. Signed-off-by: Mike Hommey <mh@glandium.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'http.c')
-rw-r--r--http.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/http.c b/http.c
index dcc569343e..d2c11aee90 100644
--- a/http.c
+++ b/http.c
@@ -552,3 +552,85 @@ void finish_all_active_slots(void)
slot = slot->next;
}
}
+
+static inline int needs_quote(int ch)
+{
+ if (((ch >= 'A') && (ch <= 'Z'))
+ || ((ch >= 'a') && (ch <= 'z'))
+ || ((ch >= '0') && (ch <= '9'))
+ || (ch == '/')
+ || (ch == '-')
+ || (ch == '.'))
+ return 0;
+ return 1;
+}
+
+static inline int hex(int v)
+{
+ if (v < 10) return '0' + v;
+ else return 'A' + v - 10;
+}
+
+static char *quote_ref_url(const char *base, const char *ref)
+{
+ const char *cp;
+ char *dp, *qref;
+ int len, baselen, ch;
+
+ baselen = strlen(base);
+ len = baselen + 7; /* "/refs/" + NUL */
+ for (cp = ref; (ch = *cp) != 0; cp++, len++)
+ if (needs_quote(ch))
+ len += 2; /* extra two hex plus replacement % */
+ qref = xmalloc(len);
+ memcpy(qref, base, baselen);
+ memcpy(qref + baselen, "/refs/", 6);
+ for (cp = ref, dp = qref + baselen + 6; (ch = *cp) != 0; cp++) {
+ if (needs_quote(ch)) {
+ *dp++ = '%';
+ *dp++ = hex((ch >> 4) & 0xF);
+ *dp++ = hex(ch & 0xF);
+ }
+ else
+ *dp++ = ch;
+ }
+ *dp = 0;
+
+ return qref;
+}
+
+int http_fetch_ref(const char *base, const char *ref, unsigned char *sha1)
+{
+ char *url;
+ struct strbuf buffer = STRBUF_INIT;
+ struct active_request_slot *slot;
+ struct slot_results results;
+ int ret;
+
+ url = quote_ref_url(base, ref);
+ slot = get_active_slot();
+ slot->results = &results;
+ curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer);
+ curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
+ curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL);
+ curl_easy_setopt(slot->curl, CURLOPT_URL, url);
+ if (start_active_slot(slot)) {
+ run_active_slot(slot);
+ if (results.curl_result == CURLE_OK) {
+ strbuf_rtrim(&buffer);
+ if (buffer.len == 40)
+ ret = get_sha1_hex(buffer.buf, sha1);
+ else
+ ret = 1;
+ } else {
+ ret = error("Couldn't get %s for %s\n%s",
+ url, ref, curl_errorstr);
+ }
+ } else {
+ ret = error("Unable to start request");
+ }
+
+ strbuf_release(&buffer);
+ free(url);
+ return ret;
+}