git.oblomov.eu Git - git/blob - builtin/for-each-ref.c

   1 #include "builtin.h"
   2 #include "cache.h"
   3 #include "refs.h"
   4 #include "object.h"
   5 #include "parse-options.h"
   6 #include "ref-filter.h"
   7
   8 static char const * const for_each_ref_usage[] = {
   9         N_("git for-each-ref [<options>] [<pattern>]"),
  10         N_("git for-each-ref [--points-at <object>]"),
  11         NULL
  12 };
  13
  14 int cmd_for_each_ref(int argc, const char **argv, const char *prefix)
  15 {
  16         int i;
  17         const char *format = "%(objectname) %(objecttype)\t%(refname)";
  18         struct ref_sorting *sorting = NULL, **sorting_tail = &sorting;
  19         int maxcount = 0, quote_style = 0;
  20         struct ref_array array;
  21         struct ref_filter filter;
  22
  23         struct option opts[] = {
  24                 OPT_BIT('s', "shell", &quote_style,
  25                         N_("quote placeholders suitably for shells"), QUOTE_SHELL),
  26                 OPT_BIT('p', "perl",  &quote_style,
  27                         N_("quote placeholders suitably for perl"), QUOTE_PERL),
  28                 OPT_BIT(0 , "python", &quote_style,
  29                         N_("quote placeholders suitably for python"), QUOTE_PYTHON),
  30                 OPT_BIT(0 , "tcl",  &quote_style,
  31                         N_("quote placeholders suitably for Tcl"), QUOTE_TCL),
  32
  33                 OPT_GROUP(""),
  34                 OPT_INTEGER( 0 , "count", &maxcount, N_("show only <n> matched refs")),
  35                 OPT_STRING(  0 , "format", &format, N_("format"), N_("format to use for the output")),
  36                 OPT_CALLBACK(0 , "sort", sorting_tail, N_("key"),
  37                             N_("field name to sort on"), &parse_opt_ref_sorting),
  38                 OPT_CALLBACK(0, "points-at", &filter.points_at,
  39                              N_("object"), N_("print only refs which points at the given object"),
  40                              parse_opt_object_name),
  41                 OPT_END(),
  42         };
  43
  44         memset(&array, 0, sizeof(array));
  45         memset(&filter, 0, sizeof(filter));
  46
  47         parse_options(argc, argv, prefix, opts, for_each_ref_usage, 0);
  48         if (maxcount < 0) {
  49                 error("invalid --count argument: `%d'", maxcount);
  50                 usage_with_options(for_each_ref_usage, opts);
  51         }
  52         if (HAS_MULTI_BITS(quote_style)) {
  53                 error("more than one quoting style?");
  54                 usage_with_options(for_each_ref_usage, opts);
  55         }
  56         if (verify_ref_format(format))
  57                 usage_with_options(for_each_ref_usage, opts);
  58
  59         if (!sorting)
  60                 sorting = ref_default_sorting();
  61
  62         /* for warn_ambiguous_refs */
  63         git_config(git_default_config, NULL);
  64
  65         filter.name_patterns = argv;
  66         filter_refs(&array, &filter, FILTER_REFS_ALL | FILTER_REFS_INCLUDE_BROKEN);
  67         ref_array_sort(sorting, &array);
  68
  69         if (!maxcount || array.nr < maxcount)
  70                 maxcount = array.nr;
  71         for (i = 0; i < maxcount; i++)
  72                 show_ref_array_item(array.items[i], format, quote_style);
  73         ref_array_clear(&array);
  74         return 0;
  75 }