Merge early part of 'jc/combine' branch

diff --git a/rev-parse.c b/rev-parse.c
index b82f294a78994e512c4f30da5bb4ba3eca3f95b4..e956cd5ed54906335f0b07e9b522a869bfddd218 100644 (file)
--- a/rev-parse.c
+++ b/rev-parse.c
@@ -39,15 +39,15 @@ static int is_rev_argument(const char *arg)
                "--header",
                "--max-age=",
                "--max-count=",
-               "--merge-order",
                "--min-age=",
                "--no-merges",
                "--objects",
+               "--objects-edge",
                "--parents",
                "--pretty",
-               "--show-breaks",
                "--sparse",
                "--topo-order",
+               "--date-order",
                "--unpacked",
                NULL
        };
@@ -166,13 +166,17 @@ int main(int argc, char **argv)
        unsigned char sha1[20];
        const char *prefix = setup_git_directory();
        
+       git_config(git_default_config);
+
        for (i = 1; i < argc; i++) {
                struct stat st;
                char *arg = argv[i];
                char *dotdot;
-       
+
                if (as_is) {
-                       show_file(arg);
+                       if (show_file(arg) && as_is < 2)
+                               if (lstat(arg, &st) < 0)
+                                       die("'%s': %s", arg, strerror(errno));
                        continue;
                }
                if (!strcmp(arg,"-n")) {
@@ -192,7 +196,7 @@ int main(int argc, char **argv)
 
                if (*arg == '-') {
                        if (!strcmp(arg, "--")) {
-                               as_is = 1;
+                               as_is = 2;
                                /* Pass on the "--" if we show anything but files.. */
                                if (filter & (DO_FLAGS | DO_REVS))
                                        show_file(arg);
@@ -225,12 +229,12 @@ int main(int argc, char **argv)
                                continue;
                        }
                        if (!strcmp(arg, "--short") ||
-                           !strncmp(arg, "--short=", 9)) {
+                           !strncmp(arg, "--short=", 8)) {
                                filter &= ~(DO_FLAGS|DO_NOREV);
                                verify = 1;
                                abbrev = DEFAULT_ABBREV;
-                               if (arg[8] == '=')
-                                       abbrev = strtoul(arg + 9, NULL, 10);
+                               if (arg[7] == '=')
+                                       abbrev = strtoul(arg + 8, NULL, 10);
                                if (abbrev < MINIMUM_ABBREV)
                                        abbrev = MINIMUM_ABBREV;
                                else if (40 <= abbrev)
@@ -311,16 +315,17 @@ int main(int argc, char **argv)
                dotdot = strstr(arg, "..");
                if (dotdot) {
                        unsigned char end[20];
-                       char *n = dotdot+2;
+                       char *next = dotdot + 2;
+                       char *this = arg;
                        *dotdot = 0;
-                       if (!get_sha1(arg, sha1)) {
-                               if (!*n)
-                                       n = "HEAD";
-                               if (!get_sha1(n, end)) {
-                                       show_rev(NORMAL, end, n);
-                                       show_rev(REVERSED, sha1, arg);
-                                       continue;
-                               }
+                       if (!*next)
+                               next = "HEAD";
+                       if (dotdot == arg)
+                               this = "HEAD";
+                       if (!get_sha1(this, sha1) && !get_sha1(next, end)) {
+                               show_rev(NORMAL, end, next);
+                               show_rev(REVERSED, sha1, this);
+                               continue;
                        }
                        *dotdot = '.';
                }