git-mv: succeed even if source is a prefix of destination
[gitweb.git] / git.c
diff --git a/git.c b/git.c
index 7321d6c3f636ef8bd4870ead06be54c037ccef9b..18ba14ade1bb60b59fd0288130ba098e9e76dac3 100644 (file)
--- a/git.c
+++ b/git.c
@@ -15,6 +15,9 @@
 
 #include "builtin.h"
 
+const char git_usage_string[] =
+       "git [--version] [--exec-path[=GIT_EXEC_PATH]] [--help] COMMAND [ ARGS ]";
+
 static void prepend_to_path(const char *dir, int len)
 {
        const char *old_path = getenv("PATH");
@@ -78,7 +81,7 @@ static int handle_options(const char*** argv, int* argc)
                        setenv("GIT_DIR", getcwd(git_dir, 1024), 1);
                } else {
                        fprintf(stderr, "Unknown option: %s\n", cmd);
-                       cmd_usage(0, NULL, NULL);
+                       usage(git_usage_string);
                }
 
                (*argv)++;
@@ -211,6 +214,7 @@ static int handle_alias(int *argcp, const char ***argv)
 const char git_version_string[] = GIT_VERSION;
 
 #define NEEDS_PREFIX 1
+#define USE_PAGER 2
 
 static void handle_internal_command(int argc, const char **argv, char **envp)
 {
@@ -218,14 +222,14 @@ static void handle_internal_command(int argc, const char **argv, char **envp)
        static struct cmd_struct {
                const char *cmd;
                int (*fn)(int, const char **, const char *);
-               int prefix;
+               int option;
        } commands[] = {
                { "version", cmd_version },
                { "help", cmd_help },
-               { "log", cmd_log, NEEDS_PREFIX },
-               { "whatchanged", cmd_whatchanged, NEEDS_PREFIX },
-               { "show", cmd_show, NEEDS_PREFIX },
-               { "push", cmd_push },
+               { "log", cmd_log, NEEDS_PREFIX | USE_PAGER },
+               { "whatchanged", cmd_whatchanged, NEEDS_PREFIX | USE_PAGER },
+               { "show", cmd_show, NEEDS_PREFIX | USE_PAGER },
+               { "push", cmd_push, NEEDS_PREFIX },
                { "format-patch", cmd_format_patch, NEEDS_PREFIX },
                { "count-objects", cmd_count_objects },
                { "diff", cmd_diff, NEEDS_PREFIX },
@@ -259,6 +263,8 @@ static void handle_internal_command(int argc, const char **argv, char **envp)
                { "fmt-merge-msg", cmd_fmt_merge_msg, NEEDS_PREFIX },
                { "prune", cmd_prune, NEEDS_PREFIX },
                { "mv", cmd_mv, NEEDS_PREFIX },
+               { "prune-packed", cmd_prune_packed, NEEDS_PREFIX },
+               { "repo-config", cmd_repo_config },
        };
        int i;
 
@@ -275,8 +281,10 @@ static void handle_internal_command(int argc, const char **argv, char **envp)
                        continue;
 
                prefix = NULL;
-               if (p->prefix)
+               if (p->option & NEEDS_PREFIX)
                        prefix = setup_git_directory();
+               if (p->option & USE_PAGER)
+                       setup_pager();
                if (getenv("GIT_TRACE")) {
                        int i;
                        fprintf(stderr, "trace: built-in: git");
@@ -372,7 +380,7 @@ int main(int argc, const char **argv, char **envp)
        }
 
        if (errno == ENOENT)
-               cmd_usage(0, exec_path, "'%s' is not a git-command", cmd);
+               help_unknown_cmd(cmd);
 
        fprintf(stderr, "Failed to run command '%s': %s\n",
                cmd, strerror(errno));