setup_revisions(): handle -n<n> and -<n> internally.

This moves the handling of max-count shorthand from the internal
implementation of "git log" to setup_revisions() so other users
of setup_revisions() can use it.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/git.c b/git.c
index bf68dac..a547dbd 100644 (file)
--- a/git.c
+++ b/git.c
@@ -264,20 +264,7 @@ static int cmd_log(int argc, char **argv, char **envp)
        argc = setup_revisions(argc, argv, &rev, "HEAD");
        while (1 < argc) {
                char *arg = argv[1];
-               /* accept -<digit>, like traditilnal "head" */
-               if ((*arg == '-') && isdigit(arg[1])) {
-                       rev.max_count = atoi(arg + 1);
-               }
-               else if (!strcmp(arg, "-n")) {
-                       if (argc < 2)
-                               die("-n requires an argument");
-                       rev.max_count = atoi(argv[2]);
-                       argc--; argv++;
-               }
-               else if (!strncmp(arg,"-n",2)) {
-                       rev.max_count = atoi(arg + 2);
-               }
-               else if (!strncmp(arg, "--pretty", 8)) {
+               if (!strncmp(arg, "--pretty", 8)) {
                        commit_format = get_commit_format(arg + 8);
                        if (commit_format == CMIT_FMT_ONELINE)
                                commit_prefix = "";

diff --git a/revision.c b/revision.c
index 4885871..a3df810 100644 (file)
--- a/revision.c
+++ b/revision.c
@@ -482,6 +482,21 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
                                revs->max_count = atoi(arg + 12);
                                continue;
                        }
+                       /* accept -<digit>, like traditilnal "head" */
+                       if ((*arg == '-') && isdigit(arg[1])) {
+                               revs->max_count = atoi(arg + 1);
+                               continue;
+                       }
+                       if (!strcmp(arg, "-n")) {
+                               if (argc <= i + 1)
+                                       die("-n requires an argument");
+                               revs->max_count = atoi(argv[++i]);
+                               continue;
+                       }
+                       if (!strncmp(arg,"-n",2)) {
+                               revs->max_count = atoi(arg + 2);
+                               continue;
+                       }
                        if (!strncmp(arg, "--max-age=", 10)) {
                                revs->max_age = atoi(arg + 10);
                                revs->limited = 1;