Andrew's git - gitweb.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
   8static char const * const for_each_ref_usage[] = {
   9        N_("git for-each-ref [<options>] [<pattern>]"),
  10        NULL
  11};
  12
  13int 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}