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[PATCH] git-http-fetch: Allow caching of retrieved objects by proxy servers

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By default the curl library adds "Pragma: no-cache" header to all
requests, which disables caching by proxy servers.  However, most
files in a GIT repository are immutable, and caching them is safe and
could be useful.

This patch removes the "Pragma: no-cache" header from requests for all
files except the pack list (objects/info/packs) and references
(refs/*), which are really mutable and should not be cached.

Signed-off-by: Sergey Vlasov <vsu@altlinux.ru>
Signed-off-by: Junio C Hamano <junkio@cox.net>
(cherry picked from 3b2a4c46fd5093ec79fb60e1b14b8d4a58c74612 commit)
This commit is contained in:
Sergey Vlasov 2005-09-13 19:38:58 +04:00 committed by Junio C Hamano
parent ba65af9c1f
commit 1db69b571c
1 changed files with 8 additions and 0 deletions
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8
http-fetch.c
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@ -14,6 +14,7 @@
#endif
static CURL *curl;
static struct curl_slist *no_pragma_header;
static char *base;
@ -102,6 +103,7 @@ static int fetch_index(unsigned char *sha1)
curl_easy_setopt(curl, CURLOPT_FILE, indexfile);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, fwrite);
curl_easy_setopt(curl, CURLOPT_URL, url);
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, no_pragma_header);
if (curl_easy_perform(curl)) {
fclose(indexfile);
@ -152,6 +154,7 @@ static int fetch_indices(void)
curl_easy_setopt(curl, CURLOPT_FILE, &buffer);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
curl_easy_setopt(curl, CURLOPT_URL, url);
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, NULL);
if (curl_easy_perform(curl)) {
return error("Unable to get pack index %s", url);
@ -215,6 +218,7 @@ static int fetch_pack(unsigned char *sha1)
curl_easy_setopt(curl, CURLOPT_FILE, packfile);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, fwrite);
curl_easy_setopt(curl, CURLOPT_URL, url);
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, no_pragma_header);
if (curl_easy_perform(curl)) {
fclose(packfile);
@ -255,6 +259,7 @@ int fetch(unsigned char *sha1)
curl_easy_setopt(curl, CURLOPT_FAILONERROR, 1);
curl_easy_setopt(curl, CURLOPT_FILE, NULL);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, fwrite_sha1_file);
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, no_pragma_header);
url = xmalloc(strlen(base) + 50);
strcpy(url, base);
@ -303,6 +308,7 @@ int fetch_ref(char *ref, unsigned char *sha1)
curl_easy_setopt(curl, CURLOPT_FILE, &buffer);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, NULL);
url = xmalloc(strlen(base) + 6 + strlen(ref));
strcpy(url, base);
@ -354,6 +360,7 @@ int main(int argc, char **argv)
curl_global_init(CURL_GLOBAL_ALL);
curl = curl_easy_init();
no_pragma_header = curl_slist_append(no_pragma_header, "Pragma:");
curl_ssl_verify = getenv("GIT_SSL_NO_VERIFY") ? 0 : 1;
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, curl_ssl_verify);
@ -366,6 +373,7 @@ int main(int argc, char **argv)
if (pull(commit_id))
return 1;
curl_slist_free_all(no_pragma_header);
curl_global_cleanup();
return 0;
}