builtin/for-each-ref.c

   1 #include "builtin.h"
   2 #include "cache.h"
   3 #include "config.h"
   4 #include "refs.h"
   5 #include "object.h"
   6 #include "parse-options.h"
   7 #include "ref-filter.h"
   8
   9 static char const * const for_each_ref_usage[] = {
  10         N_("git for-each-ref [<options>] [<pattern>]"),
  11         N_("git for-each-ref [--points-at <object>]"),
  12         N_("git for-each-ref [--merged [<commit>]] [--no-merged [<commit>]]"),
  13         N_("git for-each-ref [--contains [<commit>]] [--no-contains [<commit>]]"),
  14         NULL
  15 };
  16
  17 int cmd_for_each_ref(int argc, const char **argv, const char *prefix)
  18 {
  19         int i;
  20         struct ref_sorting *sorting = NULL, **sorting_tail = &sorting;
  21         int maxcount = 0, icase = 0;
  22         struct ref_array array;
  23         struct ref_filter filter;
  24         struct ref_format format = REF_FORMAT_INIT;
  25         struct strbuf output = STRBUF_INIT;
  26         struct strbuf err = STRBUF_INIT;
  27
  28         struct option opts[] = {
  29                 OPT_BIT('s', "shell", &format.quote_style,
  30                         N_("quote placeholders suitably for shells"), QUOTE_SHELL),
  31                 OPT_BIT('p', "perl",  &format.quote_style,
  32                         N_("quote placeholders suitably for perl"), QUOTE_PERL),
  33                 OPT_BIT(0 , "python", &format.quote_style,
  34                         N_("quote placeholders suitably for python"), QUOTE_PYTHON),
  35                 OPT_BIT(0 , "tcl",  &format.quote_style,
  36                         N_("quote placeholders suitably for Tcl"), QUOTE_TCL),
  37
  38                 OPT_GROUP(""),
  39                 OPT_INTEGER( 0 , "count", &maxcount, N_("show only <n> matched refs")),
  40                 OPT_STRING(  0 , "format", &format.format, N_("format"), N_("format to use for the output")),
  41                 OPT__COLOR(&format.use_color, N_("respect format colors")),
  42                 OPT_REF_SORT(sorting_tail),
  43                 OPT_CALLBACK(0, "points-at", &filter.points_at,
  44                              N_("object"), N_("print only refs which points at the given object"),
  45                              parse_opt_object_name),
  46                 OPT_MERGED(&filter, N_("print only refs that are merged")),
  47                 OPT_NO_MERGED(&filter, N_("print only refs that are not merged")),
  48                 OPT_CONTAINS(&filter.with_commit, N_("print only refs which contain the commit")),
  49                 OPT_NO_CONTAINS(&filter.no_commit, N_("print only refs which don't contain the commit")),
  50                 OPT_BOOL(0, "ignore-case", &icase, N_("sorting and filtering are case insensitive")),
  51                 OPT_END(),
  52         };
  53
  54         memset(&array, 0, sizeof(array));
  55         memset(&filter, 0, sizeof(filter));
  56
  57         format.format = "%(objectname) %(objecttype)\t%(refname)";
  58
  59         git_config(git_default_config, NULL);
  60
  61         parse_options(argc, argv, prefix, opts, for_each_ref_usage, 0);
  62         if (maxcount < 0) {
  63                 error("invalid --count argument: `%d'", maxcount);
  64                 usage_with_options(for_each_ref_usage, opts);
  65         }
  66         if (HAS_MULTI_BITS(format.quote_style)) {
  67                 error("more than one quoting style?");
  68                 usage_with_options(for_each_ref_usage, opts);
  69         }
  70         if (verify_ref_format(&format))
  71                 usage_with_options(for_each_ref_usage, opts);
  72
  73         if (!sorting)
  74                 sorting = ref_default_sorting();
  75         ref_sorting_set_sort_flags_all(sorting, REF_SORTING_ICASE, icase);
  76         filter.ignore_case = icase;
  77
  78         filter.name_patterns = argv;
  79         filter.match_as_path = 1;
  80         filter_refs(&array, &filter, FILTER_REFS_ALL | FILTER_REFS_INCLUDE_BROKEN);
  81         ref_array_sort(sorting, &array);
  82
  83         if (!maxcount || array.nr < maxcount)
  84                 maxcount = array.nr;
  85         for (i = 0; i < maxcount; i++) {
  86                 strbuf_reset(&err);
  87                 strbuf_reset(&output);
  88                 if (format_ref_array_item(array.items[i], &format, &output, &err))
  89                         die("%s", err.buf);
  90                 fwrite(output.buf, 1, output.len, stdout);
  91                 putchar('\n');
  92         }
  93
  94         strbuf_release(&err);
  95         strbuf_release(&output);
  96         ref_array_clear(&array);
  97         free_commit_list(filter.with_commit);
  98         free_commit_list(filter.no_commit);
  99         UNLEAK(sorting);
 100         return 0;
 101 }