upload-pack: test negotiation with changing repository

diff --git a/run-command.c b/run-command.c
index 84899e423f098bb8cd61eee86bcc484139b1482f..84b883c2132bb07bc7fa21434368d64664587b8b 100644 (file)
--- a/run-command.c
+++ b/run-command.c
@@ -1,6 +1,6 @@
 #include "cache.h"
 #include "run-command.h"
-#include "exec_cmd.h"
+#include "exec-cmd.h"
 #include "sigchain.h"
 #include "argv-array.h"
 #include "thread-utils.h"
@@ -245,7 +245,7 @@ int sane_execvp(const char *file, char * const argv[])
 static const char **prepare_shell_cmd(struct argv_array *out, const char **argv)
 {
        if (!argv[0])
-               die("BUG: shell command is empty");
+               BUG("shell command is empty");
 
        if (strcspn(argv[0], "|&;<>()$`\\\"' \t\n*?[#~=%") != strlen(argv[0])) {
 #ifndef GIT_WINDOWS_NATIVE
@@ -383,7 +383,7 @@ static void child_err_spew(struct child_process *cmd, struct child_err *cerr)
 static void prepare_cmd(struct argv_array *out, const struct child_process *cmd)
 {
        if (!cmd->argv[0])
-               die("BUG: command is empty");
+               BUG("command is empty");
 
        /*
         * Add SHELL_PATH so in the event exec fails with ENOEXEC we can
@@ -471,15 +471,12 @@ struct atfork_state {
        sigset_t old;
 };
 
-#ifndef NO_PTHREADS
-static void bug_die(int err, const char *msg)
-{
-       if (err) {
-               errno = err;
-               die_errno("BUG: %s", msg);
-       }
-}
-#endif
+#define CHECK_BUG(err, msg) \
+       do { \
+               int e = (err); \
+               if (e) \
+                       BUG("%s: %s", msg, strerror(e)); \
+       } while(0)
 
 static void atfork_prepare(struct atfork_state *as)
 {
@@ -491,9 +488,9 @@ static void atfork_prepare(struct atfork_state *as)
        if (sigprocmask(SIG_SETMASK, &all, &as->old))
                die_errno("sigprocmask");
 #else
-       bug_die(pthread_sigmask(SIG_SETMASK, &all, &as->old),
+       CHECK_BUG(pthread_sigmask(SIG_SETMASK, &all, &as->old),
                "blocking all signals");
-       bug_die(pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &as->cs),
+       CHECK_BUG(pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &as->cs),
                "disabling cancellation");
 #endif
 }
@@ -504,9 +501,9 @@ static void atfork_parent(struct atfork_state *as)
        if (sigprocmask(SIG_SETMASK, &as->old, NULL))
                die_errno("sigprocmask");
 #else
-       bug_die(pthread_setcancelstate(as->cs, NULL),
+       CHECK_BUG(pthread_setcancelstate(as->cs, NULL),
                "re-enabling cancellation");
-       bug_die(pthread_sigmask(SIG_SETMASK, &as->old, NULL),
+       CHECK_BUG(pthread_sigmask(SIG_SETMASK, &as->old, NULL),
                "restoring signal mask");
 #endif
 }
@@ -967,7 +964,7 @@ int run_command(struct child_process *cmd)
        int code;
 
        if (cmd->out < 0 || cmd->err < 0)
-               die("BUG: run_command with a pipe can cause deadlock");
+               BUG("run_command with a pipe can cause deadlock");
 
        code = start_command(cmd);
        if (code)
@@ -1557,7 +1554,7 @@ static void pp_init(struct parallel_processes *pp,
 
        pp->data = data;
        if (!get_next_task)
-               die("BUG: you need to specify a get_next_task function");
+               BUG("you need to specify a get_next_task function");
        pp->get_next_task = get_next_task;
 
        pp->start_failure = start_failure ? start_failure : default_start_failure;
@@ -1619,7 +1616,7 @@ static int pp_start_one(struct parallel_processes *pp)
                if (pp->children[i].state == GIT_CP_FREE)
                        break;
        if (i == pp->max_processes)
-               die("BUG: bookkeeping is hard");
+               BUG("bookkeeping is hard");
 
        code = pp->get_next_task(&pp->children[i].process,
                                 &pp->children[i].err,