Make a helper function to accept a line of a protocol message and
queue an update command out of the code from read_head_info().
Signed-off-by: Junio C Hamano <gitster@xxxxxxxxx>
---
builtin/receive-pack.c | 50 +++++++++++++++++++++++++++++---------------------
1 file changed, 29 insertions(+), 21 deletions(-)
diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
index ee855b4..341bb46 100644
--- a/builtin/receive-pack.c
+++ b/builtin/receive-pack.c
@@ -831,16 +831,40 @@ static void execute_commands(struct command *commands,
"the reported refs above");
}
+static struct command **queue_command(struct command **p,
+ const char *line,
+ int linelen)
+{
+ unsigned char old_sha1[20], new_sha1[20];
+ struct command *cmd;
+ const char *refname;
+ int reflen;
+
+ if (linelen < 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);
+
+ refname = line + 82;
+ reflen = linelen - 82;
+ cmd = xcalloc(1, sizeof(struct command) + reflen + 1);
+ hashcpy(cmd->old_sha1, old_sha1);
+ hashcpy(cmd->new_sha1, new_sha1);
+ memcpy(cmd->ref_name, refname, reflen);
+ cmd->ref_name[reflen] = '\0';
+ *p = cmd;
+ return &cmd->next;
+}
+
static struct command *read_head_info(struct sha1_array *shallow)
{
struct command *commands = NULL;
struct command **p = &commands;
for (;;) {
char *line;
- unsigned char old_sha1[20], new_sha1[20];
- struct command *cmd;
- char *refname;
- int len, reflen, linelen;
+ int len, linelen;
line = packet_read_line(0, &len);
if (!line)
@@ -866,23 +890,7 @@ static struct command *read_head_info(struct sha1_array *shallow)
quiet = 1;
}
- if (linelen < 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);
-
- refname = line + 82;
- reflen = strlen(refname);
- cmd = xcalloc(1, sizeof(struct command) + reflen + 1);
- hashcpy(cmd->old_sha1, old_sha1);
- hashcpy(cmd->new_sha1, new_sha1);
- memcpy(cmd->ref_name, refname, reflen);
- cmd->ref_name[reflen] = '\0';
- *p = cmd;
- p = &cmd->next;
+ p = queue_command(p, line, linelen);
}
return commands;
}
--
2.1.0-301-g54593e2
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