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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" |
b2172fdf | 8 | #include "sha1-array.h" |
06876284 DI |
9 | |
10 | /*----- some often used options -----*/ | |
11 | ||
12 | int parse_opt_abbrev_cb(const struct option *opt, const char *arg, int unset) | |
13 | { | |
14 | int v; | |
15 | ||
16 | if (!arg) { | |
17 | v = unset ? 0 : DEFAULT_ABBREV; | |
18 | } else { | |
19 | v = strtol(arg, (char **)&arg, 10); | |
20 | if (*arg) | |
21 | return opterror(opt, "expects a numerical value", 0); | |
22 | if (v && v < MINIMUM_ABBREV) | |
23 | v = MINIMUM_ABBREV; | |
24 | else if (v > 40) | |
25 | v = 40; | |
26 | } | |
27 | *(int *)(opt->value) = v; | |
28 | return 0; | |
29 | } | |
30 | ||
31 | int parse_opt_approxidate_cb(const struct option *opt, const char *arg, | |
32 | int unset) | |
33 | { | |
34 | *(unsigned long *)(opt->value) = approxidate(arg); | |
35 | return 0; | |
36 | } | |
37 | ||
27ec394a JH |
38 | int parse_opt_expiry_date_cb(const struct option *opt, const char *arg, |
39 | int unset) | |
40 | { | |
41 | return parse_expiry_date(arg, (unsigned long *)opt->value); | |
42 | } | |
43 | ||
06876284 DI |
44 | int parse_opt_color_flag_cb(const struct option *opt, const char *arg, |
45 | int unset) | |
46 | { | |
47 | int value; | |
48 | ||
49 | if (!arg) | |
50 | arg = unset ? "never" : (const char *)opt->defval; | |
f946b465 | 51 | value = git_config_colorbool(NULL, arg); |
06876284 DI |
52 | if (value < 0) |
53 | return opterror(opt, | |
54 | "expects \"always\", \"auto\", or \"never\"", 0); | |
55 | *(int *)opt->value = value; | |
56 | return 0; | |
57 | } | |
58 | ||
59 | int parse_opt_verbosity_cb(const struct option *opt, const char *arg, | |
60 | int unset) | |
61 | { | |
62 | int *target = opt->value; | |
63 | ||
64 | if (unset) | |
65 | /* --no-quiet, --no-verbose */ | |
66 | *target = 0; | |
67 | else if (opt->short_name == 'v') { | |
68 | if (*target >= 0) | |
69 | (*target)++; | |
70 | else | |
71 | *target = 1; | |
72 | } else { | |
73 | if (*target <= 0) | |
74 | (*target)--; | |
75 | else | |
76 | *target = -1; | |
77 | } | |
78 | return 0; | |
79 | } | |
80 | ||
9d306b5a | 81 | int parse_opt_commits(const struct option *opt, const char *arg, int unset) |
06876284 DI |
82 | { |
83 | unsigned char sha1[20]; | |
84 | struct commit *commit; | |
85 | ||
86 | if (!arg) | |
87 | return -1; | |
88 | if (get_sha1(arg, sha1)) | |
89 | return error("malformed object name %s", arg); | |
90 | commit = lookup_commit_reference(sha1); | |
91 | if (!commit) | |
92 | return error("no such commit %s", arg); | |
93 | commit_list_insert(commit, opt->value); | |
94 | return 0; | |
95 | } | |
96 | ||
b2172fdf KN |
97 | int parse_opt_object_name(const struct option *opt, const char *arg, int unset) |
98 | { | |
99 | unsigned char sha1[20]; | |
100 | ||
101 | if (unset) { | |
102 | sha1_array_clear(opt->value); | |
103 | return 0; | |
104 | } | |
105 | if (!arg) | |
106 | return -1; | |
107 | if (get_sha1(arg, sha1)) | |
108 | return error(_("malformed object name '%s'"), arg); | |
109 | sha1_array_append(opt->value, sha1); | |
110 | return 0; | |
111 | } | |
112 | ||
06876284 DI |
113 | int parse_opt_tertiary(const struct option *opt, const char *arg, int unset) |
114 | { | |
115 | int *target = opt->value; | |
116 | *target = unset ? 2 : 1; | |
117 | return 0; | |
118 | } | |
119 | ||
120 | int parse_options_concat(struct option *dst, size_t dst_size, struct option *src) | |
121 | { | |
122 | int i, j; | |
123 | ||
124 | for (i = 0; i < dst_size; i++) | |
125 | if (dst[i].type == OPTION_END) | |
126 | break; | |
127 | for (j = 0; i < dst_size; i++, j++) { | |
128 | dst[i] = src[j]; | |
129 | if (src[j].type == OPTION_END) | |
130 | return 0; | |
131 | } | |
132 | return -1; | |
133 | } | |
134 | ||
135 | int parse_opt_string_list(const struct option *opt, const char *arg, int unset) | |
136 | { | |
137 | struct string_list *v = opt->value; | |
138 | ||
139 | if (unset) { | |
140 | string_list_clear(v, 0); | |
141 | return 0; | |
142 | } | |
143 | ||
144 | if (!arg) | |
145 | return -1; | |
146 | ||
147 | string_list_append(v, xstrdup(arg)); | |
148 | return 0; | |
149 | } | |
6acec038 RS |
150 | |
151 | int parse_opt_noop_cb(const struct option *opt, const char *arg, int unset) | |
152 | { | |
153 | return 0; | |
154 | } | |
6b3ee18d PT |
155 | |
156 | /** | |
157 | * Recreates the command-line option in the strbuf. | |
158 | */ | |
159 | static int recreate_opt(struct strbuf *sb, const struct option *opt, | |
160 | const char *arg, int unset) | |
161 | { | |
162 | strbuf_reset(sb); | |
163 | ||
164 | if (opt->long_name) { | |
165 | strbuf_addstr(sb, unset ? "--no-" : "--"); | |
166 | strbuf_addstr(sb, opt->long_name); | |
167 | if (arg) { | |
168 | strbuf_addch(sb, '='); | |
169 | strbuf_addstr(sb, arg); | |
170 | } | |
171 | } else if (opt->short_name && !unset) { | |
172 | strbuf_addch(sb, '-'); | |
173 | strbuf_addch(sb, opt->short_name); | |
174 | if (arg) | |
175 | strbuf_addstr(sb, arg); | |
176 | } else | |
177 | return -1; | |
178 | ||
179 | return 0; | |
180 | } | |
181 | ||
182 | /** | |
183 | * For an option opt, recreates the command-line option in opt->value which | |
184 | * must be an char* initialized to NULL. This is useful when we need to pass | |
185 | * the command-line option to another command. Since any previous value will be | |
186 | * overwritten, this callback should only be used for options where the last | |
187 | * one wins. | |
188 | */ | |
189 | int parse_opt_passthru(const struct option *opt, const char *arg, int unset) | |
190 | { | |
191 | static struct strbuf sb = STRBUF_INIT; | |
192 | char **opt_value = opt->value; | |
193 | ||
194 | if (recreate_opt(&sb, opt, arg, unset) < 0) | |
195 | return -1; | |
196 | ||
197 | if (*opt_value) | |
198 | free(*opt_value); | |
199 | ||
200 | *opt_value = strbuf_detach(&sb, NULL); | |
201 | ||
202 | return 0; | |
203 | } | |
ffad85c5 PT |
204 | |
205 | /** | |
206 | * For an option opt, recreate the command-line option, appending it to | |
207 | * opt->value which must be a argv_array. This is useful when we need to pass | |
208 | * the command-line option, which can be specified multiple times, to another | |
209 | * command. | |
210 | */ | |
211 | int parse_opt_passthru_argv(const struct option *opt, const char *arg, int unset) | |
212 | { | |
213 | static struct strbuf sb = STRBUF_INIT; | |
214 | struct argv_array *opt_value = opt->value; | |
215 | ||
216 | if (recreate_opt(&sb, opt, arg, unset) < 0) | |
217 | return -1; | |
218 | ||
219 | argv_array_push(opt_value, sb.buf); | |
220 | ||
221 | return 0; | |
222 | } |