builtin / for-each-ref.con commit worktree: add 'list' command (bb9c03b)
   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_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}