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chromium / external / github.com / git / git / refs/tags/v2.29.3 / . / alias.c
blob: c4715380205b5f8dd032b16ade846842fa3c23b9 [file] [log] [blame]
Jeff King94351112008-02-24 22:17:14[diff] [blame]1#include "cache.h"
Nguyễn Thái Ngọc Duy65b5f942018-05-20 18:40:06[diff] [blame]2#include "alias.h"
Brandon Williamsb2141fc2017-06-14 18:07:36[diff] [blame]3#include "config.h"
Nguyễn Thái Ngọc Duy3301d362018-05-20 18:40:08[diff] [blame]4#include "string-list.h"
Jeff King94351112008-02-24 22:17:14[diff] [blame]5
Johannes Schindelina9bcf652017-06-14 11:36:00[diff] [blame]6struct config_alias_data {
7 const char *alias;
8 char *v;
Nguyễn Thái Ngọc Duy3301d362018-05-20 18:40:08[diff] [blame]9 struct string_list *list;
Johannes Schindelina9bcf652017-06-14 11:36:00[diff] [blame]10};
11
12static int config_alias_cb(const char *key, const char *value, void *d)
13{
14 struct config_alias_data *data = d;
15 const char *p;
16
Nguyễn Thái Ngọc Duy3301d362018-05-20 18:40:08[diff] [blame]17 if (!skip_prefix(key, "alias.", &p))
18 return 0;
19
20 if (data->alias) {
21 if (!strcasecmp(p, data->alias))
22 return git_config_string((const char **)&data->v,
23 key, value);
24 } else if (data->list) {
25 string_list_append(data->list, p);
26 }
Johannes Schindelina9bcf652017-06-14 11:36:00[diff] [blame]27
28 return 0;
29}
30
Jeff King94351112008-02-24 22:17:14[diff] [blame]31char *alias_lookup(const char *alias)
32{
Johannes Schindelina9bcf652017-06-14 11:36:00[diff] [blame]33 struct config_alias_data data = { alias, NULL };
34
35 read_early_config(config_alias_cb, &data);
36
37 return data.v;
Jeff King94351112008-02-24 22:17:14[diff] [blame]38}
Miklos Vajna0989fe92008-06-27 16:21:54[diff] [blame]39
Nguyễn Thái Ngọc Duy3301d362018-05-20 18:40:08[diff] [blame]40void list_aliases(struct string_list *list)
41{
42 struct config_alias_data data = { NULL, NULL, list };
43
44 read_early_config(config_alias_cb, &data);
45}
46
Greg Brockmanad9ac6d2010-08-07 05:13:39[diff] [blame]47#define SPLIT_CMDLINE_BAD_ENDING 1
48#define SPLIT_CMDLINE_UNCLOSED_QUOTE 2
49static const char *split_cmdline_errors[] = {
Nguyễn Thái Ngọc Duya7412ae2018-11-10 05:16:01[diff] [blame]50 N_("cmdline ends with \\"),
51 N_("unclosed quote")
Greg Brockmanad9ac6d2010-08-07 05:13:39[diff] [blame]52};
53
Miklos Vajna0989fe92008-06-27 16:21:54[diff] [blame]54int split_cmdline(char *cmdline, const char ***argv)
55{
56 int src, dst, count = 0, size = 16;
57 char quoted = 0;
58
Jeff Kingb32fa952016-02-22 22:44:25[diff] [blame]59 ALLOC_ARRAY(*argv, size);
Miklos Vajna0989fe92008-06-27 16:21:54[diff] [blame]60
61 /* split alias_string */
62 (*argv)[count++] = cmdline;
63 for (src = dst = 0; cmdline[src];) {
64 char c = cmdline[src];
65 if (!quoted && isspace(c)) {
66 cmdline[dst++] = 0;
67 while (cmdline[++src]
68 && isspace(cmdline[src]))
69 ; /* skip */
Felipe Contrerascc108372013-09-21 19:15:44[diff] [blame]70 ALLOC_GROW(*argv, count + 1, size);
Miklos Vajna0989fe92008-06-27 16:21:54[diff] [blame]71 (*argv)[count++] = cmdline + dst;
72 } else if (!quoted && (c == '\'' || c == '"')) {
73 quoted = c;
74 src++;
75 } else if (c == quoted) {
76 quoted = 0;
77 src++;
78 } else {
79 if (c == '\\' && quoted != '\'') {
80 src++;
81 c = cmdline[src];
82 if (!c) {
Ævar Arnfjörð Bjarmason6a83d902017-06-15 23:15:46[diff] [blame]83 FREE_AND_NULL(*argv);
Greg Brockmanad9ac6d2010-08-07 05:13:39[diff] [blame]84 return -SPLIT_CMDLINE_BAD_ENDING;
Miklos Vajna0989fe92008-06-27 16:21:54[diff] [blame]85 }
86 }
87 cmdline[dst++] = c;
88 src++;
89 }
90 }
91
92 cmdline[dst] = 0;
93
94 if (quoted) {
Ævar Arnfjörð Bjarmason6a83d902017-06-15 23:15:46[diff] [blame]95 FREE_AND_NULL(*argv);
Greg Brockmanad9ac6d2010-08-07 05:13:39[diff] [blame]96 return -SPLIT_CMDLINE_UNCLOSED_QUOTE;
Miklos Vajna0989fe92008-06-27 16:21:54[diff] [blame]97 }
98
Felipe Contrerascc108372013-09-21 19:15:44[diff] [blame]99 ALLOC_GROW(*argv, count + 1, size);
Jeff King27d54382009-05-08 09:06:15[diff] [blame]100 (*argv)[count] = NULL;
101
Miklos Vajna0989fe92008-06-27 16:21:54[diff] [blame]102 return count;
103}
104
Felipe Contrerascc108372013-09-21 19:15:44[diff] [blame]105const char *split_cmdline_strerror(int split_cmdline_errno)
106{
107 return split_cmdline_errors[-split_cmdline_errno - 1];
Greg Brockmanad9ac6d2010-08-07 05:13:39[diff] [blame]108}