ref-filter: move code from 'for-each-ref'
[git] / 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
8 static char const * const for_each_ref_usage[] = {
9         N_("git for-each-ref [<options>] [<pattern>]"),
10         NULL
11 };
12
13 int 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 }