printf("Squash commit -- not updating HEAD\n");
fd = open(git_path("SQUASH_MSG"), O_WRONLY | O_CREAT, 0666);
if (fd < 0)
- die("Could not write to %s", git_path("SQUASH_MSG"));
+ die_errno("Could not write to '%s'", git_path("SQUASH_MSG"));
init_revisions(&rev, NULL);
rev.ignore_merges = 1;
NULL, NULL, rev.date_mode, 0);
}
if (write(fd, out.buf, out.len) < 0)
- die("Writing SQUASH_MSG: %s", strerror(errno));
+ die_errno("Writing SQUASH_MSG");
if (close(fd))
- die("Finishing SQUASH_MSG: %s", strerror(errno));
+ die_errno("Finishing SQUASH_MSG");
strbuf_release(&out);
}
fp = fopen(git_path("FETCH_HEAD"), "r");
if (!fp)
- die("could not open %s for reading: %s",
- git_path("FETCH_HEAD"), strerror(errno));
+ die_errno("could not open '%s' for reading",
+ git_path("FETCH_HEAD"));
strbuf_getline(&line, fp, '\n');
fclose(fp);
ptr = strstr(line.buf, "\tnot-for-merge\t");
discard_cache();
if (read_cache() < 0)
die("failed to read the cache");
- return -ret;
+ return ret;
}
}
fp = fopen(git_path("MERGE_MSG"), "a");
if (!fp)
- die("Could not open %s for writing", git_path("MERGE_MSG"));
+ die_errno("Could not open '%s' for writing",
+ git_path("MERGE_MSG"));
fprintf(fp, "\nConflicts:\n");
for (pos = 0; pos < active_nr; pos++) {
struct cache_entry *ce = active_cache[pos];
sha1_to_hex(j->item->object.sha1));
fd = open(git_path("MERGE_HEAD"), O_WRONLY | O_CREAT, 0666);
if (fd < 0)
- die("Could open %s for writing",
- git_path("MERGE_HEAD"));
+ die_errno("Could not open '%s' for writing",
+ git_path("MERGE_HEAD"));
if (write_in_full(fd, buf.buf, buf.len) != buf.len)
- die("Could not write to %s", git_path("MERGE_HEAD"));
+ die_errno("Could not write to '%s'", git_path("MERGE_HEAD"));
close(fd);
strbuf_addch(&merge_msg, '\n');
fd = open(git_path("MERGE_MSG"), O_WRONLY | O_CREAT, 0666);
if (fd < 0)
- die("Could open %s for writing", git_path("MERGE_MSG"));
+ die_errno("Could not open '%s' for writing",
+ git_path("MERGE_MSG"));
if (write_in_full(fd, merge_msg.buf, merge_msg.len) !=
merge_msg.len)
- die("Could not write to %s", git_path("MERGE_MSG"));
+ die_errno("Could not write to '%s'", git_path("MERGE_MSG"));
close(fd);
fd = open(git_path("MERGE_MODE"), O_WRONLY | O_CREAT | O_TRUNC, 0666);
if (fd < 0)
- die("Could open %s for writing", git_path("MERGE_MODE"));
+ die_errno("Could not open '%s' for writing",
+ git_path("MERGE_MODE"));
strbuf_reset(&buf);
if (!allow_fast_forward)
strbuf_addf(&buf, "no-ff");
if (write_in_full(fd, buf.buf, buf.len) != buf.len)
- die("Could not write to %s", git_path("MERGE_MODE"));
+ die_errno("Could not write to '%s'", git_path("MERGE_MODE"));
close(fd);
}
}
if (subdir && chdir(subdir))
- die("Cannot change to %s: %s", subdir, strerror(errno));
+ die_errno("Cannot change to '%s'", subdir);
errno = saved_errno;
/* Check for ENOSPC and EIO errors.. */
if (fflush(stdout))
- die("write failure on standard output: %s", strerror(errno));
+ die_errno("write failure on standard output");
if (ferror(stdout))
die("unknown write failure on standard output");
if (fclose(stdout))
- die("close failed on standard output: %s", strerror(errno));
+ die_errno("close failed on standard output");
return 0;
}
* if we fail because the command is not found, it is
* OK to return. Otherwise, we just pass along the status code.
*/
- status = run_command_v_opt(argv, 0);
- if (status != -ERR_RUN_COMMAND_EXEC) {
- if (IS_RUN_COMMAND_ERR(status))
- die("unable to run '%s'", argv[0]);
- exit(-status);
- }
- errno = ENOENT; /* as if we called execvp */
+ status = run_command_v_opt(argv, RUN_SILENT_EXEC_FAILURE);
+ if (status >= 0 || errno != ENOENT)
+ exit(status);
argv[0] = tmp;
strcpy(path, ".merge_file_XXXXXX");
fd = xmkstemp(path);
if (write_in_full(fd, src->ptr, src->size) != src->size)
- die("unable to write temp-file");
+ die_errno("unable to write temp-file");
close(fd);
}
args[2] = cmd.buf;
status = run_command_v_opt(args, 0);
- if (status < -ERR_RUN_COMMAND_FORK)
- ; /* failure in run-command */
- else
- status = -status;
fd = open(temp[1], O_RDONLY);
if (fd < 0)
goto bad;
{
int need_in, need_out, need_err;
int fdin[2], fdout[2], fderr[2];
+ int failed_errno = failed_errno;
/*
* In case of errors we must keep the promise to close FDs
need_in = !cmd->no_stdin && cmd->in < 0;
if (need_in) {
if (pipe(fdin) < 0) {
+ failed_errno = errno;
if (cmd->out > 0)
close(cmd->out);
- return -ERR_RUN_COMMAND_PIPE;
+ goto fail_pipe;
}
cmd->in = fdin[1];
}
&& cmd->out < 0;
if (need_out) {
if (pipe(fdout) < 0) {
+ failed_errno = errno;
if (need_in)
close_pair(fdin);
else if (cmd->in)
close(cmd->in);
- return -ERR_RUN_COMMAND_PIPE;
+ goto fail_pipe;
}
cmd->out = fdout[0];
}
need_err = !cmd->no_stderr && cmd->err < 0;
if (need_err) {
if (pipe(fderr) < 0) {
+ failed_errno = errno;
if (need_in)
close_pair(fdin);
else if (cmd->in)
close_pair(fdout);
else if (cmd->out)
close(cmd->out);
- return -ERR_RUN_COMMAND_PIPE;
+ fail_pipe:
+ error("cannot create pipe for %s: %s",
+ cmd->argv[0], strerror(failed_errno));
+ errno = failed_errno;
+ return -1;
}
cmd->err = fderr[0];
}
}
if (cmd->dir && chdir(cmd->dir))
- die("exec %s: cd to %s failed (%s)", cmd->argv[0],
- cmd->dir, strerror(errno));
+ die_errno("exec '%s': cd to '%s' failed", cmd->argv[0],
+ cmd->dir);
if (cmd->env) {
for (; *cmd->env; cmd->env++) {
if (strchr(*cmd->env, '='))
strerror(errno));
exit(127);
}
+ if (cmd->pid < 0)
+ error("cannot fork() for %s: %s", cmd->argv[0],
+ strerror(failed_errno = errno));
#else
int s0 = -1, s1 = -1, s2 = -1; /* backups of stdin, stdout, stderr */
const char **sargv = cmd->argv;
}
cmd->pid = mingw_spawnvpe(cmd->argv[0], cmd->argv, env);
+ failed_errno = errno;
+ if (cmd->pid < 0 && (!cmd->silent_exec_failure || errno != ENOENT))
+ error("cannot spawn %s: %s", cmd->argv[0], strerror(errno));
if (cmd->env)
free_environ(env);
#endif
if (cmd->pid < 0) {
- int err = errno;
if (need_in)
close_pair(fdin);
else if (cmd->in)
close(cmd->out);
if (need_err)
close_pair(fderr);
- return err == ENOENT ?
- -ERR_RUN_COMMAND_EXEC :
- -ERR_RUN_COMMAND_FORK;
+ errno = failed_errno;
+ return -1;
}
if (need_in)
return 0;
}
- static int wait_or_whine(pid_t pid)
+ static int wait_or_whine(pid_t pid, const char *argv0, int silent_exec_failure)
{
- for (;;) {
- int status, code;
- pid_t waiting = waitpid(pid, &status, 0);
-
- if (waiting < 0) {
- if (errno == EINTR)
- continue;
- error("waitpid failed (%s)", strerror(errno));
- return -ERR_RUN_COMMAND_WAITPID;
- }
- if (waiting != pid)
- return -ERR_RUN_COMMAND_WAITPID_WRONG_PID;
- if (WIFSIGNALED(status))
- return -ERR_RUN_COMMAND_WAITPID_SIGNAL;
-
- if (!WIFEXITED(status))
- return -ERR_RUN_COMMAND_WAITPID_NOEXIT;
+ int status, code = -1;
+ pid_t waiting;
+ int failed_errno = 0;
+
+ while ((waiting = waitpid(pid, &status, 0)) < 0 && errno == EINTR)
+ ; /* nothing */
+
+ if (waiting < 0) {
+ failed_errno = errno;
+ error("waitpid for %s failed: %s", argv0, strerror(errno));
+ } else if (waiting != pid) {
+ error("waitpid is confused (%s)", argv0);
+ } else if (WIFSIGNALED(status)) {
+ code = WTERMSIG(status);
+ error("%s died of signal %d", argv0, code);
+ /*
+ * This return value is chosen so that code & 0xff
+ * mimics the exit code that a POSIX shell would report for
+ * a program that died from this signal.
+ */
+ code -= 128;
+ } else if (WIFEXITED(status)) {
code = WEXITSTATUS(status);
- switch (code) {
- case 127:
- return -ERR_RUN_COMMAND_EXEC;
- case 0:
- return 0;
- default:
- return -code;
+ /*
+ * Convert special exit code when execvp failed.
+ */
+ if (code == 127) {
+ code = -1;
+ failed_errno = ENOENT;
+ if (!silent_exec_failure)
+ error("cannot run %s: %s", argv0,
+ strerror(ENOENT));
}
+ } else {
+ error("waitpid is confused (%s)", argv0);
}
+ errno = failed_errno;
+ return code;
}
int finish_command(struct child_process *cmd)
{
- return wait_or_whine(cmd->pid);
+ return wait_or_whine(cmd->pid, cmd->argv[0], cmd->silent_exec_failure);
}
int run_command(struct child_process *cmd)
cmd->no_stdin = opt & RUN_COMMAND_NO_STDIN ? 1 : 0;
cmd->git_cmd = opt & RUN_GIT_CMD ? 1 : 0;
cmd->stdout_to_stderr = opt & RUN_COMMAND_STDOUT_TO_STDERR ? 1 : 0;
+ cmd->silent_exec_failure = opt & RUN_SILENT_EXEC_FAILURE ? 1 : 0;
}
int run_command_v_opt(const char **argv, int opt)
int finish_async(struct async *async)
{
#ifndef __MINGW32__
- int ret = 0;
-
- if (wait_or_whine(async->pid))
- ret = error("waitpid (async) failed");
+ int ret = wait_or_whine(async->pid, "child process", 0);
#else
DWORD ret = 0;
if (WaitForSingleObject(async->tid, INFINITE) != WAIT_OBJECT_0)
hook.env = env;
}
- ret = start_command(&hook);
+ ret = run_command(&hook);
free(argv);
- if (ret) {
- warning("Could not spawn %s", argv[0]);
- return ret;
- }
- ret = finish_command(&hook);
- if (ret == -ERR_RUN_COMMAND_WAITPID_SIGNAL)
- warning("%s exited due to uncaught signal", argv[0]);
-
return ret;
}
test_must_fail git fsck
'
-test_expect_success 'upload-pack fails due to error in pack-objects' '
+test_expect_success 'upload-pack fails due to error in pack-objects packing' '
! echo "0032want $(git rev-parse HEAD)
00000009done
0000" | git upload-pack . > /dev/null 2> output.err &&
+ grep "unable to read" output.err &&
grep "pack-objects died" output.err
'
test_expect_success 'upload-pack fails due to error in rev-list' '
! echo "0032want $(git rev-parse HEAD)
-00000009done
+0034shallow $(git rev-parse HEAD^)00000009done
0000" | git upload-pack . > /dev/null 2> output.err &&
- grep "waitpid (async) failed" output.err
+ # pack-objects survived
+ grep "Total.*, reused" output.err &&
+ # but there was an error, which must have been in rev-list
+ grep "bad tree object" output.err
'
+test_expect_success 'upload-pack fails due to error in pack-objects enumeration' '
+
+ ! echo "0032want $(git rev-parse HEAD)
+00000009done
+0000" | git upload-pack . > /dev/null 2> output.err &&
+ grep "bad tree object" output.err &&
+ grep "pack-objects died" output.err
+'
+
test_expect_success 'create empty repository' '
mkdir foo &&
strbuf_addstr(&temp_dir, git_path("rsync-refs-XXXXXX"));
if (!mkdtemp(temp_dir.buf))
- die ("Could not make temporary directory");
+ die_errno ("Could not make temporary directory");
temp_dir_len = temp_dir.len;
strbuf_addstr(&buf, rsync_url(transport->url));
strbuf_addstr(&temp_dir, git_path("rsync-refs-XXXXXX"));
if (!mkdtemp(temp_dir.buf))
- die ("Could not make temporary directory");
+ die_errno ("Could not make temporary directory");
strbuf_addch(&temp_dir, '/');
if (flags & TRANSPORT_PUSH_ALL) {
{
const char **argv;
int argc;
- int err;
if (flags & TRANSPORT_PUSH_MIRROR)
return error("http transport does not support mirror mode");
while (refspec_nr--)
argv[argc++] = *refspec++;
argv[argc] = NULL;
- err = run_command_v_opt(argv, RUN_GIT_CMD);
- switch (err) {
- case -ERR_RUN_COMMAND_FORK:
- error("unable to fork for %s", argv[0]);
- case -ERR_RUN_COMMAND_EXEC:
- error("unable to exec %s", argv[0]);
- break;
- case -ERR_RUN_COMMAND_WAITPID:
- case -ERR_RUN_COMMAND_WAITPID_WRONG_PID:
- case -ERR_RUN_COMMAND_WAITPID_SIGNAL:
- case -ERR_RUN_COMMAND_WAITPID_NOEXIT:
- error("%s died with strange error", argv[0]);
- }
- return !!err;
+ return !!run_command_v_opt(argv, RUN_GIT_CMD);
}
static struct ref *get_refs_via_curl(struct transport *transport, int for_push)
#define SUMMARY_WIDTH (2 * DEFAULT_ABBREV + 3)
-static void print_ref_status(char flag, const char *summary, struct ref *to, struct ref *from, const char *msg)
-{
- fprintf(stderr, " %c %-*s ", flag, SUMMARY_WIDTH, summary);
- if (from)
- fprintf(stderr, "%s -> %s", prettify_refname(from->name), prettify_refname(to->name));
- else
- fputs(prettify_refname(to->name), stderr);
- if (msg) {
- fputs(" (", stderr);
- fputs(msg, stderr);
- fputc(')', stderr);
+static void print_ref_status(char flag, const char *summary, struct ref *to, struct ref *from, const char *msg, int porcelain)
+{
+ if (porcelain) {
+ if (from)
+ fprintf(stdout, "%c\t%s:%s\t", flag, from->name, to->name);
+ else
+ fprintf(stdout, "%c\t:%s\t", flag, to->name);
+ if (msg)
+ fprintf(stdout, "%s (%s)\n", summary, msg);
+ else
+ fprintf(stdout, "%s\n", summary);
+ } else {
+ fprintf(stderr, " %c %-*s ", flag, SUMMARY_WIDTH, summary);
+ if (from)
+ fprintf(stderr, "%s -> %s", prettify_refname(from->name), prettify_refname(to->name));
+ else
+ fputs(prettify_refname(to->name), stderr);
+ if (msg) {
+ fputs(" (", stderr);
+ fputs(msg, stderr);
+ fputc(')', stderr);
+ }
+ fputc('\n', stderr);
}
- fputc('\n', stderr);
}
static const char *status_abbrev(unsigned char sha1[20])
return find_unique_abbrev(sha1, DEFAULT_ABBREV);
}
-static void print_ok_ref_status(struct ref *ref)
+static void print_ok_ref_status(struct ref *ref, int porcelain)
{
if (ref->deletion)
- print_ref_status('-', "[deleted]", ref, NULL, NULL);
+ print_ref_status('-', "[deleted]", ref, NULL, NULL, porcelain);
else if (is_null_sha1(ref->old_sha1))
print_ref_status('*',
(!prefixcmp(ref->name, "refs/tags/") ? "[new tag]" :
- "[new branch]"),
- ref, ref->peer_ref, NULL);
+ "[new branch]"),
+ ref, ref->peer_ref, NULL, porcelain);
else {
char quickref[84];
char type;
}
strcat(quickref, status_abbrev(ref->new_sha1));
- print_ref_status(type, quickref, ref, ref->peer_ref, msg);
+ print_ref_status(type, quickref, ref, ref->peer_ref, msg, porcelain);
}
}
-static int print_one_push_status(struct ref *ref, const char *dest, int count)
+static int print_one_push_status(struct ref *ref, const char *dest, int count, int porcelain)
{
if (!count)
fprintf(stderr, "To %s\n", dest);
switch(ref->status) {
case REF_STATUS_NONE:
- print_ref_status('X', "[no match]", ref, NULL, NULL);
+ print_ref_status('X', "[no match]", ref, NULL, NULL, porcelain);
break;
case REF_STATUS_REJECT_NODELETE:
print_ref_status('!', "[rejected]", ref, NULL,
- "remote does not support deleting refs");
+ "remote does not support deleting refs", porcelain);
break;
case REF_STATUS_UPTODATE:
print_ref_status('=', "[up to date]", ref,
- ref->peer_ref, NULL);
+ ref->peer_ref, NULL, porcelain);
break;
case REF_STATUS_REJECT_NONFASTFORWARD:
print_ref_status('!', "[rejected]", ref, ref->peer_ref,
- "non-fast forward");
+ "non-fast forward", porcelain);
break;
case REF_STATUS_REMOTE_REJECT:
print_ref_status('!', "[remote rejected]", ref,
- ref->deletion ? NULL : ref->peer_ref,
- ref->remote_status);
+ ref->deletion ? NULL : ref->peer_ref,
+ ref->remote_status, porcelain);
break;
case REF_STATUS_EXPECTING_REPORT:
print_ref_status('!', "[remote failure]", ref,
- ref->deletion ? NULL : ref->peer_ref,
- "remote failed to report status");
+ ref->deletion ? NULL : ref->peer_ref,
+ "remote failed to report status", porcelain);
break;
case REF_STATUS_OK:
- print_ok_ref_status(ref);
+ print_ok_ref_status(ref, porcelain);
break;
}
return 1;
}
-static void print_push_status(const char *dest, struct ref *refs, int verbose)
+static void print_push_status(const char *dest, struct ref *refs,
+ int verbose, int porcelain)
{
struct ref *ref;
int n = 0;
if (verbose) {
for (ref = refs; ref; ref = ref->next)
if (ref->status == REF_STATUS_UPTODATE)
- n += print_one_push_status(ref, dest, n);
+ n += print_one_push_status(ref, dest, n, porcelain);
}
for (ref = refs; ref; ref = ref->next)
if (ref->status == REF_STATUS_OK)
- n += print_one_push_status(ref, dest, n);
+ n += print_one_push_status(ref, dest, n, porcelain);
for (ref = refs; ref; ref = ref->next) {
if (ref->status != REF_STATUS_NONE &&
ref->status != REF_STATUS_UPTODATE &&
ref->status != REF_STATUS_OK)
- n += print_one_push_status(ref, dest, n);
+ n += print_one_push_status(ref, dest, n, porcelain);
}
}
struct ref *local_refs = get_local_heads();
int match_flags = MATCH_REFS_NONE;
int verbose = flags & TRANSPORT_PUSH_VERBOSE;
+ int porcelain = flags & TRANSPORT_PUSH_PORCELAIN;
int ret;
if (flags & TRANSPORT_PUSH_ALL)
ret = transport->push_refs(transport, remote_refs, flags);
- print_push_status(transport->url, remote_refs, verbose);
+ print_push_status(transport->url, remote_refs, verbose | porcelain, porcelain);
if (!(flags & TRANSPORT_PUSH_DRY_RUN)) {
struct ref *ref;
projects / git.git / commitdiff