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merge(3p/git): Merge git subtree at v2.29.2

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This also bumps the stable nixpkgs to 20.09 as of 2020-11-21, because
there is some breakage in the git build related to the netrc
credentials helper which someone has taken care of in nixpkgs.

The stable channel is not used for anything other than git, so this
should be fine.

Change-Id: I3575a19dab09e1e9556cf8231d717de9890484fb
This commit is contained in:
Vincent Ambo 2020-11-21 19:20:35 +01:00
parent 082c006c04
commit f4609b896f
1485 changed files with 241535 additions and 109418 deletions
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20
third_party/git/usage.c vendored
View file

@ -9,14 +9,26 @@
void vreportf(const char *prefix, const char *err, va_list params)
{
char msg[4096];
char *p;
char *p, *pend = msg + sizeof(msg);
size_t prefix_len = strlen(prefix);
vsnprintf(msg, sizeof(msg), err, params);
for (p = msg; *p; p++) {
if (sizeof(msg) <= prefix_len) {
fprintf(stderr, "BUG!!! too long a prefix '%s'\n", prefix);
abort();
}
memcpy(msg, prefix, prefix_len);
p = msg + prefix_len;
if (vsnprintf(p, pend - p, err, params) < 0)
*p = '\0'; /* vsnprintf() failed, clip at prefix */
for (; p != pend - 1 && *p; p++) {
if (iscntrl(*p) && *p != '\t' && *p != '\n')
*p = '?';
}
fprintf(stderr, "%s%s\n", prefix, msg);
*(p++) = '\n'; /* we no longer need a NUL */
fflush(stderr);
write_in_full(2, msg, p - msg);
}
static NORETURN void usage_builtin(const char *err, va_list params)