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rev-list: allow -<n> as shorthand for --max-count=<n>

This builds on top of the previous one.

Traditionally, head(1) and tail(1) allow their line limits to be
parsed this way.

Signed-off-by: Eric Wong <normalperson@yhbt.net>
Signed-off-by: Junio C Hamano <junkio@cox.net>
maint
Eric Wong 19 years ago committed by Junio C Hamano
parent
commit
8233340ce6
  1. 5
      rev-list.c
  2. 4
      rev-parse.c

5
rev-list.c

@ -749,6 +749,11 @@ int main(int argc, const char **argv) @@ -749,6 +749,11 @@ int main(int argc, const char **argv)
struct commit *commit;
unsigned char sha1[20];

/* accept -<digit>, like traditilnal "head" */
if ((*arg == '-') && isdigit(arg[1])) {
max_count = atoi(arg + 1);
continue;
}
if (!strcmp(arg, "-n")) {
if (++i >= argc)
die("-n requires an argument");

4
rev-parse.c

@ -53,6 +53,10 @@ static int is_rev_argument(const char *arg) @@ -53,6 +53,10 @@ static int is_rev_argument(const char *arg)
};
const char **p = rev_args;

/* accept -<digit>, like traditional "head" */
if ((*arg == '-') && isdigit(arg[1]))
return 1;

for (;;) {
const char *str = *p++;
int len;

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