freshlybakedca.ke
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1#define USE_THE_REPOSITORY_VARIABLE
2
3#include "git-compat-util.h"
4#include "alias.h"
5#include "config.h"
6#include "gettext.h"
7#include "strbuf.h"
8#include "string-list.h"
9
10struct config_alias_data {
11 const char *alias;
12 char *v;
13 struct string_list *list;
14};
15
16static int config_alias_cb(const char *key, const char *value,
17 const struct config_context *ctx UNUSED, void *d)
18{
19 struct config_alias_data *data = d;
20 const char *p;
21
22 if (!skip_prefix(key, "alias.", &p))
23 return 0;
24
25 if (data->alias) {
26 if (!strcasecmp(p, data->alias)) {
27 FREE_AND_NULL(data->v);
28 return git_config_string(&data->v,
29 key, value);
30 }
31 } else if (data->list) {
32 string_list_append(data->list, p);
33 }
34
35 return 0;
36}
37
38char *alias_lookup(const char *alias)
39{
40 struct config_alias_data data = { alias, NULL };
41
42 read_early_config(the_repository, config_alias_cb, &data);
43
44 return data.v;
45}
46
47void list_aliases(struct string_list *list)
48{
49 struct config_alias_data data = { NULL, NULL, list };
50
51 read_early_config(the_repository, config_alias_cb, &data);
52}
53
54void quote_cmdline(struct strbuf *buf, const char **argv)
55{
56 for (const char **argp = argv; *argp; argp++) {
57 if (argp != argv)
58 strbuf_addch(buf, ' ');
59 strbuf_addch(buf, '"');
60 for (const char *p = *argp; *p; p++) {
61 const char c = *p;
62
63 if (c == '"' || c =='\\')
64 strbuf_addch(buf, '\\');
65 strbuf_addch(buf, c);
66 }
67 strbuf_addch(buf, '"');
68 }
69}
70
71#define SPLIT_CMDLINE_BAD_ENDING 1
72#define SPLIT_CMDLINE_UNCLOSED_QUOTE 2
73#define SPLIT_CMDLINE_ARGC_OVERFLOW 3
74static const char *split_cmdline_errors[] = {
75 N_("cmdline ends with \\"),
76 N_("unclosed quote"),
77 N_("too many arguments"),
78};
79
80int split_cmdline(char *cmdline, const char ***argv)
81{
82 size_t src, dst, count = 0, size = 16;
83 char quoted = 0;
84
85 ALLOC_ARRAY(*argv, size);
86
87 /* split alias_string */
88 (*argv)[count++] = cmdline;
89 for (src = dst = 0; cmdline[src];) {
90 char c = cmdline[src];
91 if (!quoted && isspace(c)) {
92 cmdline[dst++] = 0;
93 while (cmdline[++src]
94 && isspace(cmdline[src]))
95 ; /* skip */
96 ALLOC_GROW(*argv, count + 1, size);
97 (*argv)[count++] = cmdline + dst;
98 } else if (!quoted && (c == '\'' || c == '"')) {
99 quoted = c;
100 src++;
101 } else if (c == quoted) {
102 quoted = 0;
103 src++;
104 } else {
105 if (c == '\\' && quoted != '\'') {
106 src++;
107 c = cmdline[src];
108 if (!c) {
109 FREE_AND_NULL(*argv);
110 return -SPLIT_CMDLINE_BAD_ENDING;
111 }
112 }
113 cmdline[dst++] = c;
114 src++;
115 }
116 }
117
118 cmdline[dst] = 0;
119
120 if (quoted) {
121 FREE_AND_NULL(*argv);
122 return -SPLIT_CMDLINE_UNCLOSED_QUOTE;
123 }
124
125 if (count >= INT_MAX) {
126 FREE_AND_NULL(*argv);
127 return -SPLIT_CMDLINE_ARGC_OVERFLOW;
128 }
129
130 ALLOC_GROW(*argv, count + 1, size);
131 (*argv)[count] = NULL;
132
133 return count;
134}
135
136const char *split_cmdline_strerror(int split_cmdline_errno)
137{
138 return split_cmdline_errors[-split_cmdline_errno - 1];
139}