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