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receive-pack: switch global variable 'commands' to a parameter
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>
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5e1c71fd14
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@ -134,8 +134,6 @@ struct command {
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char ref_name[FLEX_ARRAY]; /* more */
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};
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static struct command *commands;
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static const char pre_receive_hook[] = "hooks/pre-receive";
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static const char post_receive_hook[] = "hooks/post-receive";
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@ -188,7 +186,7 @@ static int copy_to_sideband(int in, int out, void *arg)
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return 0;
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}
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static int run_receive_hook(const char *hook_name)
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static int run_receive_hook(struct command *commands, const char *hook_name)
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{
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static char buf[sizeof(commands->old_sha1) * 2 + PATH_MAX + 4];
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struct command *cmd;
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@ -447,15 +445,15 @@ static const char *update(struct command *cmd)
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static char update_post_hook[] = "hooks/post-update";
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static void run_update_post_hook(struct command *cmd)
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static void run_update_post_hook(struct command *commands)
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{
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struct command *cmd_p;
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struct command *cmd;
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int argc;
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const char **argv;
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struct child_process proc;
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for (argc = 0, cmd_p = cmd; cmd_p; cmd_p = cmd_p->next) {
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if (cmd_p->error_string)
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for (argc = 0, cmd = commands; cmd; cmd = cmd->next) {
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if (cmd->error_string)
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continue;
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argc++;
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}
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@ -464,12 +462,12 @@ static void run_update_post_hook(struct command *cmd)
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argv = xmalloc(sizeof(*argv) * (2 + argc));
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argv[0] = update_post_hook;
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for (argc = 1, cmd_p = cmd; cmd_p; cmd_p = cmd_p->next) {
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for (argc = 1, cmd = commands; cmd; cmd = cmd->next) {
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char *p;
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if (cmd_p->error_string)
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if (cmd->error_string)
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continue;
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p = xmalloc(strlen(cmd_p->ref_name) + 1);
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strcpy(p, cmd_p->ref_name);
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p = xmalloc(strlen(cmd->ref_name) + 1);
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strcpy(p, cmd->ref_name);
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argv[argc] = p;
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argc++;
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}
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@ -488,37 +486,32 @@ static void run_update_post_hook(struct command *cmd)
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}
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}
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static void execute_commands(const char *unpacker_error)
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static void execute_commands(struct command *commands, const char *unpacker_error)
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{
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struct command *cmd = commands;
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struct command *cmd;
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unsigned char sha1[20];
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if (unpacker_error) {
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while (cmd) {
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for (cmd = commands; cmd; cmd = cmd->next)
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cmd->error_string = "n/a (unpacker error)";
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cmd = cmd->next;
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}
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return;
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}
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if (run_receive_hook(pre_receive_hook)) {
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while (cmd) {
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if (run_receive_hook(commands, pre_receive_hook)) {
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for (cmd = commands; cmd; cmd = cmd->next)
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cmd->error_string = "pre-receive hook declined";
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cmd = cmd->next;
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}
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return;
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}
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head_name = resolve_ref("HEAD", sha1, 0, NULL);
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while (cmd) {
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for (cmd = commands; cmd; cmd = cmd->next)
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cmd->error_string = update(cmd);
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cmd = cmd->next;
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}
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}
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static void read_head_info(void)
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static struct command *read_head_info(void)
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{
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struct command *commands = NULL;
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struct command **p = &commands;
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for (;;) {
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static char line[1000];
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@ -557,6 +550,7 @@ static void read_head_info(void)
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*p = cmd;
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p = &cmd->next;
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}
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return commands;
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}
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static const char *parse_pack_header(struct pack_header *hdr)
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@ -643,7 +637,7 @@ static const char *unpack(void)
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}
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}
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static void report(const char *unpack_status)
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static void report(struct command *commands, const char *unpack_status)
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{
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struct command *cmd;
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struct strbuf buf = STRBUF_INIT;
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@ -667,12 +661,12 @@ static void report(const char *unpack_status)
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strbuf_release(&buf);
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}
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static int delete_only(struct command *cmd)
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static int delete_only(struct command *commands)
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{
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while (cmd) {
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struct command *cmd;
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for (cmd = commands; cmd; cmd = cmd->next) {
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if (!is_null_sha1(cmd->new_sha1))
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return 0;
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cmd = cmd->next;
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}
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return 1;
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}
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@ -722,6 +716,7 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix)
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int stateless_rpc = 0;
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int i;
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char *dir = NULL;
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struct command *commands;
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argv++;
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for (i = 1; i < argc; i++) {
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@ -772,18 +767,17 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix)
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if (advertise_refs)
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return 0;
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read_head_info();
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if (commands) {
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if ((commands = read_head_info()) != NULL) {
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const char *unpack_status = NULL;
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if (!delete_only(commands))
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unpack_status = unpack();
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execute_commands(unpack_status);
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execute_commands(commands, unpack_status);
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if (pack_lockfile)
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unlink_or_warn(pack_lockfile);
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if (report_status)
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report(unpack_status);
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run_receive_hook(post_receive_hook);
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report(commands, unpack_status);
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run_receive_hook(commands, post_receive_hook);
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run_update_post_hook(commands);
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if (auto_gc) {
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const char *argv_gc_auto[] = {
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