75 lines
1.6 KiB
C
75 lines
1.6 KiB
C
/*
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* Copyright (c) 2006 Junio C Hamano
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*/
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#include "cache.h"
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#include "pkt-line.h"
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#include "exec_cmd.h"
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#include "builtin.h"
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static const char upload_tar_usage[] = "git-upload-tar <repo>";
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static int nak(const char *reason)
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{
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packet_write(1, "NACK %s\n", reason);
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packet_flush(1);
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return 1;
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}
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int cmd_upload_tar(int argc, const char **argv, char **envp)
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{
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int len;
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const char *dir = argv[1];
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char buf[8192];
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unsigned char sha1[20];
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char *base = NULL;
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char hex[41];
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int ac;
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const char *av[4];
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if (argc != 2)
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usage(upload_tar_usage);
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if (strlen(dir) < sizeof(buf)-1)
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strcpy(buf, dir); /* enter-repo smudges its argument */
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else
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packet_write(1, "NACK insanely long repository name %s\n", dir);
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if (!enter_repo(buf, 0)) {
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packet_write(1, "NACK not a git archive %s\n", dir);
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packet_flush(1);
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return 1;
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}
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len = packet_read_line(0, buf, sizeof(buf));
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if (len < 5 || strncmp("want ", buf, 5))
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return nak("expected want");
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if (buf[len-1] == '\n')
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buf[--len] = 0;
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if (get_sha1(buf + 5, sha1))
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return nak("expected sha1");
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strcpy(hex, sha1_to_hex(sha1));
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len = packet_read_line(0, buf, sizeof(buf));
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if (len) {
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if (len < 5 || strncmp("base ", buf, 5))
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return nak("expected (optional) base");
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if (buf[len-1] == '\n')
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buf[--len] = 0;
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base = strdup(buf + 5);
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len = packet_read_line(0, buf, sizeof(buf));
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}
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if (len)
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return nak("expected flush");
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packet_write(1, "ACK\n");
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packet_flush(1);
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ac = 0;
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av[ac++] = "tar-tree";
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av[ac++] = hex;
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if (base)
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av[ac++] = base;
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av[ac++] = NULL;
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execv_git_cmd(av);
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/* should it return that is an error */
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return 1;
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}
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