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

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Both -n<n> and -n <n> are supported.  POSIX versions of head(1) and
tail(1) allow their line limits to be parsed this way.  I find
--max-count to be a commonly used option, and also similar in spirit to
head/tail, so I decided to make life easier on my worn out (and lazy :)
fingers with this patch.

Signed-off-by: Eric Wong <normalperson@yhbt.net>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Eric Wong 2006-01-29 16:26:40 -08:00 committed by Junio C Hamano
parent e36f8b6034
commit 3af06987eb
2 changed files with 25 additions and 0 deletions
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10
rev-list.c
View File

@ -749,6 +749,16 @@ int main(int argc, const char **argv)
struct commit *commit;
unsigned char sha1[20];
if (!strcmp(arg, "-n")) {
if (++i >= argc)
die("-n requires an argument");
max_count = atoi(argv[i]);
continue;
}
if (!strncmp(arg,"-n",2)) {
max_count = atoi(arg + 2);
continue;
}
if (!strncmp(arg, "--max-count=", 12)) {
max_count = atoi(arg + 12);
continue;

15
rev-parse.c
View File

@ -165,6 +165,21 @@ int main(int argc, char **argv)
show_file(arg);
continue;
}
if (!strcmp(arg,"-n")) {
if (++i >= argc)
die("-n requires an argument");
if ((filter & DO_FLAGS) && (filter & DO_REVS)) {
show(arg);
show(argv[i]);
}
continue;
}
if (!strncmp(arg,"-n",2)) {
if ((filter & DO_FLAGS) && (filter & DO_REVS))
show(arg);
continue;
}
if (*arg == '-') {
if (!strcmp(arg, "--")) {
as_is = 1;