From fa3e0655a45f53bbc1b48edc8f931426b183cba1 Mon Sep 17 00:00:00 2001 From: Daniel Barkalow Date: Tue, 21 Jun 2005 20:45:49 -0400 Subject: [PATCH] [PATCH] Pull refs by HTTP This adds support for refs to http-pull, both the -w option and reading the target from a served file. Signed-off-by: Daniel Barkalow Signed-off-by: Linus Torvalds --- http-pull.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 47 insertions(+), 2 deletions(-) diff --git a/http-pull.c b/http-pull.c index f49525c00..ec53dad8e 100644 --- a/http-pull.c +++ b/http-pull.c @@ -16,6 +16,23 @@ static z_stream stream; static int local; static int zret; +struct buffer +{ + size_t posn; + size_t size; + void *buffer; +}; + +static size_t fwrite_buffer(void *ptr, size_t eltsize, size_t nmemb, + struct buffer *buffer) { + size_t size = eltsize * nmemb; + if (size > buffer->size - buffer->posn) + size = buffer->size - buffer->posn; + memcpy(buffer->buffer + buffer->posn, ptr, size); + buffer->posn += size; + return size; +} + static size_t fwrite_sha1_file(void *ptr, size_t eltsize, size_t nmemb, void *data) { unsigned char expn[4096]; @@ -94,7 +111,32 @@ int fetch(unsigned char *sha1) int fetch_ref(char *ref, unsigned char *sha1) { - return -1; + char *url, *posn; + char hex[42]; + struct buffer buffer; + buffer.size = 41; + buffer.posn = 0; + buffer.buffer = hex; + hex[41] = '\0'; + + curl_easy_setopt(curl, CURLOPT_FILE, &buffer); + curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); + + url = xmalloc(strlen(base) + 6 + strlen(ref)); + strcpy(url, base); + posn = url + strlen(base); + strcpy(posn, "refs/"); + posn += 5; + strcpy(posn, ref); + + curl_easy_setopt(curl, CURLOPT_URL, url); + + if (curl_easy_perform(curl)) + return error("Couldn't get %s for %s\n", url, ref); + + hex[40] = '\0'; + get_sha1_hex(hex, sha1); + return 0; } int main(int argc, char **argv) @@ -118,11 +160,14 @@ int main(int argc, char **argv) get_history = 1; } else if (argv[arg][1] == 'v') { get_verbosely = 1; + } else if (argv[arg][1] == 'w') { + write_ref = argv[arg + 1]; + arg++; } arg++; } if (argc < arg + 2) { - usage("git-http-pull [-c] [-t] [-a] [-d] [-v] [--recover] commit-id url"); + usage("git-http-pull [-c] [-t] [-a] [-d] [-v] [--recover] [-w ref] commit-id url"); return 1; } commit_id = argv[arg]; -- 2.26.2