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Commit | Line | Data |
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06876284 DI |
1 | #include "git-compat-util.h" |
2 | #include "parse-options.h" | |
3 | #include "cache.h" | |
4 | #include "commit.h" | |
5 | #include "color.h" | |
6 | #include "string-list.h" | |
ffad85c5 | 7 | #include "argv-array.h" |
06876284 DI |
8 | |
9 | /*----- some often used options -----*/ | |
10 | ||
11 | int parse_opt_abbrev_cb(const struct option *opt, const char *arg, int unset) | |
12 | { | |
13 | int v; | |
14 | ||
15 | if (!arg) { | |
16 | v = unset ? 0 : DEFAULT_ABBREV; | |
17 | } else { | |
18 | v = strtol(arg, (char **)&arg, 10); | |
19 | if (*arg) | |
20 | return opterror(opt, "expects a numerical value", 0); | |
21 | if (v && v < MINIMUM_ABBREV) | |
22 | v = MINIMUM_ABBREV; | |
23 | else if (v > 40) | |
24 | v = 40; | |
25 | } | |
26 | *(int *)(opt->value) = v; | |
27 | return 0; | |
28 | } | |
29 | ||
30 | int parse_opt_approxidate_cb(const struct option *opt, const char *arg, | |
31 | int unset) | |
32 | { | |
33 | *(unsigned long *)(opt->value) = approxidate(arg); | |
34 | return 0; | |
35 | } | |
36 | ||
27ec394a JH |
37 | int parse_opt_expiry_date_cb(const struct option *opt, const char *arg, |
38 | int unset) | |
39 | { | |
40 | return parse_expiry_date(arg, (unsigned long *)opt->value); | |
41 | } | |
42 | ||
06876284 DI |
43 | int parse_opt_color_flag_cb(const struct option *opt, const char *arg, |
44 | int unset) | |
45 | { | |
46 | int value; | |
47 | ||
48 | if (!arg) | |
49 | arg = unset ? "never" : (const char *)opt->defval; | |
f946b465 | 50 | value = git_config_colorbool(NULL, arg); |
06876284 DI |
51 | if (value < 0) |
52 | return opterror(opt, | |
53 | "expects \"always\", \"auto\", or \"never\"", 0); | |
54 | *(int *)opt->value = value; | |
55 | return 0; | |
56 | } | |
57 | ||
58 | int parse_opt_verbosity_cb(const struct option *opt, const char *arg, | |
59 | int unset) | |
60 | { | |
61 | int *target = opt->value; | |
62 | ||
63 | if (unset) | |
64 | /* --no-quiet, --no-verbose */ | |
65 | *target = 0; | |
66 | else if (opt->short_name == 'v') { | |
67 | if (*target >= 0) | |
68 | (*target)++; | |
69 | else | |
70 | *target = 1; | |
71 | } else { | |
72 | if (*target <= 0) | |
73 | (*target)--; | |
74 | else | |
75 | *target = -1; | |
76 | } | |
77 | return 0; | |
78 | } | |
79 | ||
80 | int parse_opt_with_commit(const struct option *opt, const char *arg, int unset) | |
81 | { | |
82 | unsigned char sha1[20]; | |
83 | struct commit *commit; | |
84 | ||
85 | if (!arg) | |
86 | return -1; | |
87 | if (get_sha1(arg, sha1)) | |
88 | return error("malformed object name %s", arg); | |
89 | commit = lookup_commit_reference(sha1); | |
90 | if (!commit) | |
91 | return error("no such commit %s", arg); | |
92 | commit_list_insert(commit, opt->value); | |
93 | return 0; | |
94 | } | |
95 | ||
96 | int parse_opt_tertiary(const struct option *opt, const char *arg, int unset) | |
97 | { | |
98 | int *target = opt->value; | |
99 | *target = unset ? 2 : 1; | |
100 | return 0; | |
101 | } | |
102 | ||
103 | int parse_options_concat(struct option *dst, size_t dst_size, struct option *src) | |
104 | { | |
105 | int i, j; | |
106 | ||
107 | for (i = 0; i < dst_size; i++) | |
108 | if (dst[i].type == OPTION_END) | |
109 | break; | |
110 | for (j = 0; i < dst_size; i++, j++) { | |
111 | dst[i] = src[j]; | |
112 | if (src[j].type == OPTION_END) | |
113 | return 0; | |
114 | } | |
115 | return -1; | |
116 | } | |
117 | ||
118 | int parse_opt_string_list(const struct option *opt, const char *arg, int unset) | |
119 | { | |
120 | struct string_list *v = opt->value; | |
121 | ||
122 | if (unset) { | |
123 | string_list_clear(v, 0); | |
124 | return 0; | |
125 | } | |
126 | ||
127 | if (!arg) | |
128 | return -1; | |
129 | ||
130 | string_list_append(v, xstrdup(arg)); | |
131 | return 0; | |
132 | } | |
6acec038 RS |
133 | |
134 | int parse_opt_noop_cb(const struct option *opt, const char *arg, int unset) | |
135 | { | |
136 | return 0; | |
137 | } | |
6b3ee18d PT |
138 | |
139 | /** | |
140 | * Recreates the command-line option in the strbuf. | |
141 | */ | |
142 | static int recreate_opt(struct strbuf *sb, const struct option *opt, | |
143 | const char *arg, int unset) | |
144 | { | |
145 | strbuf_reset(sb); | |
146 | ||
147 | if (opt->long_name) { | |
148 | strbuf_addstr(sb, unset ? "--no-" : "--"); | |
149 | strbuf_addstr(sb, opt->long_name); | |
150 | if (arg) { | |
151 | strbuf_addch(sb, '='); | |
152 | strbuf_addstr(sb, arg); | |
153 | } | |
154 | } else if (opt->short_name && !unset) { | |
155 | strbuf_addch(sb, '-'); | |
156 | strbuf_addch(sb, opt->short_name); | |
157 | if (arg) | |
158 | strbuf_addstr(sb, arg); | |
159 | } else | |
160 | return -1; | |
161 | ||
162 | return 0; | |
163 | } | |
164 | ||
165 | /** | |
166 | * For an option opt, recreates the command-line option in opt->value which | |
167 | * must be an char* initialized to NULL. This is useful when we need to pass | |
168 | * the command-line option to another command. Since any previous value will be | |
169 | * overwritten, this callback should only be used for options where the last | |
170 | * one wins. | |
171 | */ | |
172 | int parse_opt_passthru(const struct option *opt, const char *arg, int unset) | |
173 | { | |
174 | static struct strbuf sb = STRBUF_INIT; | |
175 | char **opt_value = opt->value; | |
176 | ||
177 | if (recreate_opt(&sb, opt, arg, unset) < 0) | |
178 | return -1; | |
179 | ||
180 | if (*opt_value) | |
181 | free(*opt_value); | |
182 | ||
183 | *opt_value = strbuf_detach(&sb, NULL); | |
184 | ||
185 | return 0; | |
186 | } | |
ffad85c5 PT |
187 | |
188 | /** | |
189 | * For an option opt, recreate the command-line option, appending it to | |
190 | * opt->value which must be a argv_array. This is useful when we need to pass | |
191 | * the command-line option, which can be specified multiple times, to another | |
192 | * command. | |
193 | */ | |
194 | int parse_opt_passthru_argv(const struct option *opt, const char *arg, int unset) | |
195 | { | |
196 | static struct strbuf sb = STRBUF_INIT; | |
197 | struct argv_array *opt_value = opt->value; | |
198 | ||
199 | if (recreate_opt(&sb, opt, arg, unset) < 0) | |
200 | return -1; | |
201 | ||
202 | argv_array_push(opt_value, sb.buf); | |
203 | ||
204 | return 0; | |
205 | } |