From 4814dbe830baf5a72d8abbbfcc60eeea478b47c2 Mon Sep 17 00:00:00 2001 From: Adam Roben Date: Wed, 23 Apr 2008 15:17:45 -0400 Subject: git-cat-file: Make option parsing a little more flexible This will make it easier to add newer options later. Signed-off-by: Adam Roben Signed-off-by: Junio C Hamano --- builtin-cat-file.c | 42 ++++++++++++++++++++++++++++++------------ 1 file changed, 30 insertions(+), 12 deletions(-) (limited to 'builtin-cat-file.c') diff --git a/builtin-cat-file.c b/builtin-cat-file.c index 34a63d1280..a76bb16b49 100644 --- a/builtin-cat-file.c +++ b/builtin-cat-file.c @@ -143,23 +143,41 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name) return 0; } +static const char cat_file_usage[] = "git-cat-file [-t|-s|-e|-p|] "; + int cmd_cat_file(int argc, const char **argv, const char *prefix) { - int opt; - const char *exp_type, *obj_name; + int i, opt = 0; + const char *exp_type = NULL, *obj_name = NULL; git_config(git_default_config); - if (argc != 3) - usage("git-cat-file [-t|-s|-e|-p|] "); - exp_type = argv[1]; - obj_name = argv[2]; - - opt = 0; - if ( exp_type[0] == '-' ) { - opt = exp_type[1]; - if ( !opt || exp_type[2] ) - opt = -1; /* Not a single character option */ + + for (i = 1; i < argc; ++i) { + const char *arg = argv[i]; + + if (!strcmp(arg, "-t") || !strcmp(arg, "-s") || !strcmp(arg, "-e") || !strcmp(arg, "-p")) { + exp_type = arg; + opt = exp_type[1]; + continue; + } + + if (arg[0] == '-') + usage(cat_file_usage); + + if (!exp_type) { + exp_type = arg; + continue; + } + + if (obj_name) + usage(cat_file_usage); + + obj_name = arg; + break; } + if (!exp_type || !obj_name) + usage(cat_file_usage); + return cat_one_file(opt, exp_type, obj_name); } -- cgit v1.2.3