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_filter_cbdata ref_cbdata;
  20
  21         struct option opts[] = {
  22                 OPT_BIT('s', "shell", &quote_style,
  23                         N_("quote placeholders suitably for shells"), QUOTE_SHELL),
  24                 OPT_BIT('p', "perl",  &quote_style,
  25                         N_("quote placeholders suitably for perl"), QUOTE_PERL),
  26                 OPT_BIT(0 , "python", &quote_style,
  27                         N_("quote placeholders suitably for python"), QUOTE_PYTHON),
  28                 OPT_BIT(0 , "tcl",  &quote_style,
  29                         N_("quote placeholders suitably for Tcl"), QUOTE_TCL),
  30
  31                 OPT_GROUP(""),
  32                 OPT_INTEGER( 0 , "count", &maxcount, N_("show only <n> matched refs")),
  33                 OPT_STRING(  0 , "format", &format, N_("format"), N_("format to use for the output")),
  34                 OPT_CALLBACK(0 , "sort", sorting_tail, N_("key"),
  35                             N_("field name to sort on"), &parse_opt_ref_sorting),
  36                 OPT_END(),
  37         };
  38
  39         parse_options(argc, argv, prefix, opts, for_each_ref_usage, 0);
  40         if (maxcount < 0) {
  41                 error("invalid --count argument: `%d'", maxcount);
  42                 usage_with_options(for_each_ref_usage, opts);
  43         }
  44         if (HAS_MULTI_BITS(quote_style)) {
  45                 error("more than one quoting style?");
  46                 usage_with_options(for_each_ref_usage, opts);
  47         }
  48         if (verify_ref_format(format))
  49                 usage_with_options(for_each_ref_usage, opts);
  50
  51         if (!sorting)
  52                 sorting = ref_default_sorting();
  53
  54         /* for warn_ambiguous_refs */
  55         git_config(git_default_config, NULL);
  56
  57         memset(&ref_cbdata, 0, sizeof(ref_cbdata));
  58         ref_cbdata.filter.name_patterns = argv;
  59         for_each_rawref(ref_filter_handler, &ref_cbdata);
  60
  61         ref_array_sort(sorting, &ref_cbdata.array);
  62
  63         if (!maxcount || ref_cbdata.array.nr < maxcount)
  64                 maxcount = ref_cbdata.array.nr;
  65         for (i = 0; i < maxcount; i++)
  66                 show_ref_array_item(ref_cbdata.array.items[i], format, quote_style);
  67         ref_array_clear(&ref_cbdata.array);
  68         return 0;
  69 }