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87 lines
1.7 KiB
87 lines
1.7 KiB
20 years ago
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#include "cache.h"
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#include "refs.h"
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#include "pkt-line.h"
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static const char upload_pack_usage[] = "git-upload-pack <dir>";
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static int got_sha1(char *hex, unsigned char *sha1)
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{
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if (get_sha1_hex(hex, sha1))
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die("git-upload-pack: expected SHA1 object, got '%s'", hex);
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return has_sha1_file(sha1);
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}
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static int get_common_commits(void)
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{
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static char line[1000];
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unsigned char sha1[20];
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int len;
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for(;;) {
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len = packet_read_line(0, line, sizeof(line));
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if (!len) {
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packet_write(1, "NAK\n");
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continue;
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}
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if (line[len-1] == '\n')
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line[--len] = 0;
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if (!strncmp(line, "have ", 5)) {
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if (got_sha1(line+5, sha1)) {
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packet_write(1, "ACK %s\n", sha1_to_hex(sha1));
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break;
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}
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continue;
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}
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if (!strcmp(line, "done")) {
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packet_write(1, "NAK\n");
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return -1;
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}
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die("git-upload-pack: expected SHA1 list, got '%s'", line);
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}
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for (;;) {
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len = packet_read_line(0, line, sizeof(line));
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if (!len)
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break;
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if (!strncmp(line, "have ", 5)) {
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got_sha1(line+5, sha1);
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continue;
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}
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if (!strcmp(line, "done"))
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break;
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die("git-upload-pack: expected SHA1 list, got '%s'", line);
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}
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return 0;
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}
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static int send_ref(const char *refname, const unsigned char *sha1)
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{
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packet_write(1, "%s %s\n", sha1_to_hex(sha1), refname);
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return 0;
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}
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static int upload_pack(void)
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{
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for_each_ref(send_ref);
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packet_flush(1);
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get_common_commits();
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return 0;
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}
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int main(int argc, char **argv)
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{
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const char *dir;
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if (argc != 2)
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usage(upload_pack_usage);
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dir = argv[1];
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if (chdir(dir))
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die("git-upload-pack unable to chdir to %s", dir);
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chdir(".git");
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if (access("objects", X_OK) || access("refs", X_OK))
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die("git-upload-pack: %s doesn't seem to be a git archive", dir);
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setenv("GIT_DIR", ".", 1);
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upload_pack();
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return 0;
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}
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