builtin/for-each-ref.c

   1 #include "builtin.h"
   2 #include "commit.h"
   3 #include "config.h"
   4 #include "gettext.h"
   5 #include "object.h"
   6 #include "parse-options.h"
   7 #include "ref-filter.h"
   8 #include "strbuf.h"
   9 #include "strvec.h"
  10
  11 static char const * const for_each_ref_usage[] = {
  12         N_("git for-each-ref [<options>] [<pattern>]"),
  13         N_("git for-each-ref [--points-at <object>]"),
  14         N_("git for-each-ref [--merged [<commit>]] [--no-merged [<commit>]]"),
  15         N_("git for-each-ref [--contains [<commit>]] [--no-contains [<commit>]]"),
  16         NULL
  17 };
  18
  19 int cmd_for_each_ref(int argc, const char **argv, const char *prefix)
  20 {
  21         struct ref_sorting *sorting;
  22         struct string_list sorting_options = STRING_LIST_INIT_DUP;
  23         int icase = 0;
  24         struct ref_filter filter = REF_FILTER_INIT;
  25         struct ref_format format = REF_FORMAT_INIT;
  26         int from_stdin = 0;
  27         struct strvec vec = STRVEC_INIT;
  28
  29         struct option opts[] = {
  30                 OPT_BIT('s', "shell", &format.quote_style,
  31                         N_("quote placeholders suitably for shells"), QUOTE_SHELL),
  32                 OPT_BIT('p', "perl",  &format.quote_style,
  33                         N_("quote placeholders suitably for perl"), QUOTE_PERL),
  34                 OPT_BIT(0 , "python", &format.quote_style,
  35                         N_("quote placeholders suitably for python"), QUOTE_PYTHON),
  36                 OPT_BIT(0 , "tcl",  &format.quote_style,
  37                         N_("quote placeholders suitably for Tcl"), QUOTE_TCL),
  38                 OPT_BOOL(0, "omit-empty",  &format.array_opts.omit_empty,
  39                         N_("do not output a newline after empty formatted refs")),
  40
  41                 OPT_GROUP(""),
  42                 OPT_INTEGER( 0 , "count", &format.array_opts.max_count, N_("show only <n> matched refs")),
  43                 OPT_STRING(  0 , "format", &format.format, N_("format"), N_("format to use for the output")),
  44                 OPT__COLOR(&format.use_color, N_("respect format colors")),
  45                 OPT_REF_FILTER_EXCLUDE(&filter),
  46                 OPT_REF_SORT(&sorting_options),
  47                 OPT_CALLBACK(0, "points-at", &filter.points_at,
  48                              N_("object"), N_("print only refs which points at the given object"),
  49                              parse_opt_object_name),
  50                 OPT_MERGED(&filter, N_("print only refs that are merged")),
  51                 OPT_NO_MERGED(&filter, N_("print only refs that are not merged")),
  52                 OPT_CONTAINS(&filter.with_commit, N_("print only refs which contain the commit")),
  53                 OPT_NO_CONTAINS(&filter.no_commit, N_("print only refs which don't contain the commit")),
  54                 OPT_BOOL(0, "ignore-case", &icase, N_("sorting and filtering are case insensitive")),
  55                 OPT_BOOL(0, "stdin", &from_stdin, N_("read reference patterns from stdin")),
  56                 OPT_END(),
  57         };
  58
  59         format.format = "%(objectname) %(objecttype)\t%(refname)";
  60
  61         git_config(git_default_config, NULL);
  62
  63         /* Set default (refname) sorting */
  64         string_list_append(&sorting_options, "refname");
  65
  66         parse_options(argc, argv, prefix, opts, for_each_ref_usage, 0);
  67         if (format.array_opts.max_count < 0) {
  68                 error("invalid --count argument: `%d'", format.array_opts.max_count);
  69                 usage_with_options(for_each_ref_usage, opts);
  70         }
  71         if (HAS_MULTI_BITS(format.quote_style)) {
  72                 error("more than one quoting style?");
  73                 usage_with_options(for_each_ref_usage, opts);
  74         }
  75         if (verify_ref_format(&format))
  76                 usage_with_options(for_each_ref_usage, opts);
  77
  78         sorting = ref_sorting_options(&sorting_options);
  79         ref_sorting_set_sort_flags_all(sorting, REF_SORTING_ICASE, icase);
  80         filter.ignore_case = icase;
  81
  82         if (from_stdin) {
  83                 struct strbuf line = STRBUF_INIT;
  84
  85                 if (argv[0])
  86                         die(_("unknown arguments supplied with --stdin"));
  87
  88                 while (strbuf_getline(&line, stdin) != EOF)
  89                         strvec_push(&vec, line.buf);
  90
  91                 strbuf_release(&line);
  92
  93                 /* vec.v is NULL-terminated, just like 'argv'. */
  94                 filter.name_patterns = vec.v;
  95         } else {
  96                 filter.name_patterns = argv;
  97         }
  98
  99         filter.match_as_path = 1;
 100         filter_and_format_refs(&filter, FILTER_REFS_ALL, sorting, &format);
 101
 102         ref_filter_clear(&filter);
 103         ref_sorting_release(sorting);
 104         strvec_clear(&vec);
 105         return 0;
 106 }