fast-import: checkpoint: dump branches/tags/marks even if object_count==0
[git] / 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 | --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
26         struct option opts[] = {
27                 OPT_BIT('s', "shell", &format.quote_style,
28                         N_("quote placeholders suitably for shells"), QUOTE_SHELL),
29                 OPT_BIT('p', "perl",  &format.quote_style,
30                         N_("quote placeholders suitably for perl"), QUOTE_PERL),
31                 OPT_BIT(0 , "python", &format.quote_style,
32                         N_("quote placeholders suitably for python"), QUOTE_PYTHON),
33                 OPT_BIT(0 , "tcl",  &format.quote_style,
34                         N_("quote placeholders suitably for Tcl"), QUOTE_TCL),
35
36                 OPT_GROUP(""),
37                 OPT_INTEGER( 0 , "count", &maxcount, N_("show only <n> matched refs")),
38                 OPT_STRING(  0 , "format", &format.format, N_("format"), N_("format to use for the output")),
39                 OPT_CALLBACK(0 , "sort", sorting_tail, N_("key"),
40                             N_("field name to sort on"), &parse_opt_ref_sorting),
41                 OPT_CALLBACK(0, "points-at", &filter.points_at,
42                              N_("object"), N_("print only refs which points at the given object"),
43                              parse_opt_object_name),
44                 OPT_MERGED(&filter, N_("print only refs that are merged")),
45                 OPT_NO_MERGED(&filter, N_("print only refs that are not merged")),
46                 OPT_CONTAINS(&filter.with_commit, N_("print only refs which contain the commit")),
47                 OPT_NO_CONTAINS(&filter.no_commit, N_("print only refs which don't contain the commit")),
48                 OPT_BOOL(0, "ignore-case", &icase, N_("sorting and filtering are case insensitive")),
49                 OPT_END(),
50         };
51
52         memset(&array, 0, sizeof(array));
53         memset(&filter, 0, sizeof(filter));
54
55         format.format = "%(objectname) %(objecttype)\t%(refname)";
56
57         git_config(git_default_config, NULL);
58
59         parse_options(argc, argv, prefix, opts, for_each_ref_usage, 0);
60         if (maxcount < 0) {
61                 error("invalid --count argument: `%d'", maxcount);
62                 usage_with_options(for_each_ref_usage, opts);
63         }
64         if (HAS_MULTI_BITS(format.quote_style)) {
65                 error("more than one quoting style?");
66                 usage_with_options(for_each_ref_usage, opts);
67         }
68         if (verify_ref_format(&format))
69                 usage_with_options(for_each_ref_usage, opts);
70
71         if (!sorting)
72                 sorting = ref_default_sorting();
73         sorting->ignore_case = icase;
74         filter.ignore_case = icase;
75
76         filter.name_patterns = argv;
77         filter.match_as_path = 1;
78         filter_refs(&array, &filter, FILTER_REFS_ALL | FILTER_REFS_INCLUDE_BROKEN);
79         ref_array_sort(sorting, &array);
80
81         if (!maxcount || array.nr < maxcount)
82                 maxcount = array.nr;
83         for (i = 0; i < maxcount; i++)
84                 show_ref_array_item(array.items[i], &format);
85         ref_array_clear(&array);
86         return 0;
87 }