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         N_("git for-each-ref [(--merged | --no-merged) [<object>]]"),
  12         N_("git for-each-ref [--contains [<object>]]"),
  13         NULL
  14 };
  15
  16 int cmd_for_each_ref(int argc, const char **argv, const char *prefix)
  17 {
  18         int i;
  19         const char *format = "%(objectname) %(objecttype)\t%(refname)";
  20         struct ref_sorting *sorting = NULL, **sorting_tail = &sorting;
  21         int maxcount = 0, quote_style = 0;
  22         struct ref_array array;
  23         struct ref_filter filter;
  24
  25         struct option opts[] = {
  26                 OPT_BIT('s', "shell", &quote_style,
  27                         N_("quote placeholders suitably for shells"), QUOTE_SHELL),
  28                 OPT_BIT('p', "perl",  &quote_style,
  29                         N_("quote placeholders suitably for perl"), QUOTE_PERL),
  30                 OPT_BIT(0 , "python", &quote_style,
  31                         N_("quote placeholders suitably for python"), QUOTE_PYTHON),
  32                 OPT_BIT(0 , "tcl",  &quote_style,
  33                         N_("quote placeholders suitably for Tcl"), QUOTE_TCL),
  34
  35                 OPT_GROUP(""),
  36                 OPT_INTEGER( 0 , "count", &maxcount, N_("show only <n> matched refs")),
  37                 OPT_STRING(  0 , "format", &format, N_("format"), N_("format to use for the output")),
  38                 OPT_CALLBACK(0 , "sort", sorting_tail, N_("key"),
  39                             N_("field name to sort on"), &parse_opt_ref_sorting),
  40                 OPT_CALLBACK(0, "points-at", &filter.points_at,
  41                              N_("object"), N_("print only refs which points at the given object"),
  42                              parse_opt_object_name),
  43                 OPT_MERGED(&filter, N_("print only refs that are merged")),
  44                 OPT_NO_MERGED(&filter, N_("print only refs that are not merged")),
  45                 OPT_CONTAINS(&filter.with_commit, N_("print only refs which contain the commit")),
  46                 OPT_END(),
  47         };
  48
  49         memset(&array, 0, sizeof(array));
  50         memset(&filter, 0, sizeof(filter));
  51
  52         parse_options(argc, argv, prefix, opts, for_each_ref_usage, 0);
  53         if (maxcount < 0) {
  54                 error("invalid --count argument: `%d'", maxcount);
  55                 usage_with_options(for_each_ref_usage, opts);
  56         }
  57         if (HAS_MULTI_BITS(quote_style)) {
  58                 error("more than one quoting style?");
  59                 usage_with_options(for_each_ref_usage, opts);
  60         }
  61         if (verify_ref_format(format))
  62                 usage_with_options(for_each_ref_usage, opts);
  63
  64         if (!sorting)
  65                 sorting = ref_default_sorting();
  66
  67         /* for warn_ambiguous_refs */
  68         git_config(git_default_config, NULL);
  69
  70         filter.name_patterns = argv;
  71         filter_refs(&array, &filter, FILTER_REFS_ALL | FILTER_REFS_INCLUDE_BROKEN);
  72         ref_array_sort(sorting, &array);
  73
  74         if (!maxcount || array.nr < maxcount)
  75                 maxcount = array.nr;
  76         for (i = 0; i < maxcount; i++)
  77                 show_ref_array_item(array.items[i], format, quote_style);
  78         ref_array_clear(&array);
  79         return 0;
  80 }