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git-receive-pack: start parsing ref update commands

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We don't act on them yet, but we parse them.
This commit is contained in:
Linus Torvalds
2005-06-29 23:01:14 -07:00
parent 7f8e982834
commit eb1af2df0b
1 changed files with 34 additions and 16 deletions
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50
receive-pack.c
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@ -86,12 +86,14 @@ static void write_head_info(const char *base, int nr, char **match)
} }
} }
struct line { struct command {
struct line *next; struct command *next;
char data[0]; unsigned char old_sha1[20];
unsigned char new_sha1[20];
char ref_name[0];
}; };
struct line *commands = NULL; struct command *commands = NULL;
/* /*
* This gets called after(if) we've successfully * This gets called after(if) we've successfully
@ -99,28 +101,44 @@ struct line *commands = NULL;
*/ */
static void execute_commands(void) static void execute_commands(void)
{ {
struct line *line = commands; struct command *cmd = commands;
while (line) { while (cmd) {
fprintf(stderr, "%s", line->data); char old_hex[60], *new_hex;
line = line->next; strcpy(old_hex, sha1_to_hex(cmd->old_sha1));
new_hex = sha1_to_hex(cmd->new_sha1);
fprintf(stderr, "%s: %s -> %s\n", cmd->ref_name, old_hex, new_hex);
cmd = cmd->next;
} }
} }
static void read_head_info(void) static void read_head_info(void)
{ {
struct line **p = &commands; struct command **p = &commands;
for (;;) { for (;;) {
static char line[1000]; static char line[1000];
int len = packet_read_line(0, line, sizeof(line)); unsigned char old_sha1[20], new_sha1[20];
struct line *n; struct command *cmd;
int len;
len = packet_read_line(0, line, sizeof(line));
if (!len) if (!len)
break; break;
n = xmalloc(sizeof(struct line) + len); if (line[len-1] == '\n')
n->next = NULL; line[--len] = 0;
memcpy(n->data, line + 4, len - 3); if (len < 83 ||
*p = n; line[40] != ' ' ||
p = &n->next; line[81] != ' ' ||
get_sha1_hex(line, old_sha1) ||
get_sha1_hex(line + 41, new_sha1))
die("protocol error: expected old/new/ref, got '%s'", line);
cmd = xmalloc(sizeof(struct command) + len - 80);
memcpy(cmd->old_sha1, old_sha1, 20);
memcpy(cmd->new_sha1, new_sha1, 20);
memcpy(cmd->ref_name, line + 82, len - 81);
cmd->next = NULL;
*p = cmd;
p = &cmd->next;
} }
} }