[PATCH] Documentation: describe short-hand used in fetch/pull.

diff --git a/rev-parse.c b/rev-parse.c
index d62efdaf2d50684510dc696b2b71858036b0ea0b..43af88b5a8f4414056a1a775c9d7e1de452f06c7 100644 (file)
--- a/rev-parse.c
+++ b/rev-parse.c
@@ -13,6 +13,8 @@ static int single_rev = 0;
 static int revs_only = 0;
 static int do_rev_argument = 1;
 static int output_revs = 0;
+static int flags_only = 0;
+static int no_flags = 0;
 
 #define NORMAL 0
 #define REVERSED 1
@@ -64,6 +66,8 @@ static void show_rev_arg(char *rev)
 
 static void show_norev(char *norev)
 {
+       if (flags_only)
+               return;
        if (revs_only)
                return;
        puts(norev);
@@ -71,6 +75,8 @@ static void show_norev(char *norev)
 
 static void show_arg(char *arg)
 {
+       if (no_flags)
+               return;
        if (do_rev_argument && is_rev_argument(arg))
                show_rev_arg(arg);
        else
@@ -91,6 +97,10 @@ static int get_parent(char *name, unsigned char *result, int idx)
                return -1;
        if (parse_commit(commit))
                return -1;
+       if (!idx) {
+               memcpy(result, commit->object.sha1, 20);
+               return 0;
+       }
        p = commit->parents;
        while (p) {
                if (!--idx) {
@@ -232,7 +242,7 @@ static int get_extended_sha1(char *name, unsigned char *sha1)
        int len = strlen(name);
 
        parent = 1;
-       if (len > 2 && name[len-1] >= '1' && name[len-1] <= '9') {
+       if (len > 2 && name[len-1] >= '0' && name[len-1] <= '9') {
                parent = name[len-1] - '0';
                len--;
        }
@@ -304,6 +314,14 @@ int main(int argc, char **argv)
                                no_revs = 1;
                                continue;
                        }
+                       if (!strcmp(arg, "--flags")) {
+                               flags_only = 1;
+                               continue;
+                       }
+                       if (!strcmp(arg, "--no-flags")) {
+                               no_flags = 1;
+                               continue;
+                       }
                        if (!strcmp(arg, "--verify")) {
                                revs_only = 1;
                                do_rev_argument = 0;