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receive-pack: switch global variable 'commands' to a parameter

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Receive-pack is inconsistent in its usage of the 'commands'
variable; though it is setup as a global and accessed that way by
execute_commands(), report(), and run_receive_hook(), it is also
passed as a parameter to delete_only() and run_update_post_hook().

For consistency, make it local to cmd_receive_pack and pass it as a
parameter. As long as we're cleaning up, also make our use of the
names 'commands' and 'cmd' consistent.

Signed-off-by: Jay Soffian <jaysoffian@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jay Soffian 2010-04-19 18:08:30 -04:00 committed by Junio C Hamano
parent f78683f3a8
commit 5e1c71fd14
1 changed files with 27 additions and 33 deletions
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60
builtin-receive-pack.c
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@ -134,8 +134,6 @@ struct command {
char ref_name[FLEX_ARRAY]; /* more */
};
static struct command *commands;
static const char pre_receive_hook[] = "hooks/pre-receive";
static const char post_receive_hook[] = "hooks/post-receive";
@ -188,7 +186,7 @@ static int copy_to_sideband(int in, int out, void *arg)
return 0;
}
static int run_receive_hook(const char *hook_name)
static int run_receive_hook(struct command *commands, const char *hook_name)
{
static char buf[sizeof(commands->old_sha1) * 2 + PATH_MAX + 4];
struct command *cmd;
@ -447,15 +445,15 @@ static const char *update(struct command *cmd)
static char update_post_hook[] = "hooks/post-update";
static void run_update_post_hook(struct command *cmd)
static void run_update_post_hook(struct command *commands)
{
struct command *cmd_p;
struct command *cmd;
int argc;
const char **argv;
struct child_process proc;
for (argc = 0, cmd_p = cmd; cmd_p; cmd_p = cmd_p->next) {
if (cmd_p->error_string)
for (argc = 0, cmd = commands; cmd; cmd = cmd->next) {
if (cmd->error_string)
continue;
argc++;
}
@ -464,12 +462,12 @@ static void run_update_post_hook(struct command *cmd)
argv = xmalloc(sizeof(*argv) * (2 + argc));
argv[0] = update_post_hook;
for (argc = 1, cmd_p = cmd; cmd_p; cmd_p = cmd_p->next) {
for (argc = 1, cmd = commands; cmd; cmd = cmd->next) {
char *p;
if (cmd_p->error_string)
if (cmd->error_string)
continue;
p = xmalloc(strlen(cmd_p->ref_name) + 1);
strcpy(p, cmd_p->ref_name);
p = xmalloc(strlen(cmd->ref_name) + 1);
strcpy(p, cmd->ref_name);
argv[argc] = p;
argc++;
}
@ -488,37 +486,32 @@ static void run_update_post_hook(struct command *cmd)
}
}
static void execute_commands(const char *unpacker_error)
static void execute_commands(struct command *commands, const char *unpacker_error)
{
struct command *cmd = commands;
struct command *cmd;
unsigned char sha1[20];
if (unpacker_error) {
while (cmd) {
for (cmd = commands; cmd; cmd = cmd->next)
cmd->error_string = "n/a (unpacker error)";
cmd = cmd->next;
}
return;
}
if (run_receive_hook(pre_receive_hook)) {
while (cmd) {
if (run_receive_hook(commands, pre_receive_hook)) {
for (cmd = commands; cmd; cmd = cmd->next)
cmd->error_string = "pre-receive hook declined";
cmd = cmd->next;
}
return;
}
head_name = resolve_ref("HEAD", sha1, 0, NULL);
while (cmd) {
for (cmd = commands; cmd; cmd = cmd->next)
cmd->error_string = update(cmd);
cmd = cmd->next;
}
}
static void read_head_info(void)
static struct command *read_head_info(void)
{
struct command *commands = NULL;
struct command **p = &commands;
for (;;) {
static char line[1000];
@ -557,6 +550,7 @@ static void read_head_info(void)
*p = cmd;
p = &cmd->next;
}
return commands;
}
static const char *parse_pack_header(struct pack_header *hdr)
@ -643,7 +637,7 @@ static const char *unpack(void)
}
}
static void report(const char *unpack_status)
static void report(struct command *commands, const char *unpack_status)
{
struct command *cmd;
struct strbuf buf = STRBUF_INIT;
@ -667,12 +661,12 @@ static void report(const char *unpack_status)
strbuf_release(&buf);
}
static int delete_only(struct command *cmd)
static int delete_only(struct command *commands)
{
while (cmd) {
struct command *cmd;
for (cmd = commands; cmd; cmd = cmd->next) {
if (!is_null_sha1(cmd->new_sha1))
return 0;
cmd = cmd->next;
}
return 1;
}
@ -722,6 +716,7 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix)
int stateless_rpc = 0;
int i;
char *dir = NULL;
struct command *commands;
argv++;
for (i = 1; i < argc; i++) {
@ -772,18 +767,17 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix)
if (advertise_refs)
return 0;
read_head_info();
if (commands) {
if ((commands = read_head_info()) != NULL) {
const char *unpack_status = NULL;
if (!delete_only(commands))
unpack_status = unpack();
execute_commands(unpack_status);
execute_commands(commands, unpack_status);
if (pack_lockfile)
unlink_or_warn(pack_lockfile);
if (report_status)
report(unpack_status);
run_receive_hook(post_receive_hook);
report(commands, unpack_status);
run_receive_hook(commands, post_receive_hook);
run_update_post_hook(commands);
if (auto_gc) {
const char *argv_gc_auto[] = {