From eb1af2df0b1a766a591f1e3ab6f647a617330520 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Wed, 29 Jun 2005 23:01:14 -0700 Subject: [PATCH] git-receive-pack: start parsing ref update commands We don't act on them yet, but we parse them. --- receive-pack.c | 52 +++++++++++++++++++++++++++++++++++----------------- 1 file changed, 35 insertions(+), 17 deletions(-) diff --git a/receive-pack.c b/receive-pack.c index ce0b3c57..fb43107d 100644 --- a/receive-pack.c +++ b/receive-pack.c @@ -86,12 +86,14 @@ static void write_head_info(const char *base, int nr, char **match) } } -struct line { - struct line *next; - char data[0]; +struct command { + struct command *next; + 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 @@ -99,28 +101,44 @@ struct line *commands = NULL; */ static void execute_commands(void) { - struct line *line = commands; - - while (line) { - fprintf(stderr, "%s", line->data); - line = line->next; + struct command *cmd = commands; + + while (cmd) { + char old_hex[60], *new_hex; + 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) { - struct line **p = &commands; + struct command **p = &commands; for (;;) { static char line[1000]; - int len = packet_read_line(0, line, sizeof(line)); - struct line *n; + unsigned char old_sha1[20], new_sha1[20]; + struct command *cmd; + int len; + + len = packet_read_line(0, line, sizeof(line)); if (!len) break; - n = xmalloc(sizeof(struct line) + len); - n->next = NULL; - memcpy(n->data, line + 4, len - 3); - *p = n; - p = &n->next; + if (line[len-1] == '\n') + line[--len] = 0; + if (len < 83 || + line[40] != ' ' || + 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; } } -- 2.11.0