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Commit | Line | Data |
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aed022ab EB |
1 | /* |
2 | * GIT - The information manager from hell | |
3 | * | |
4 | * Copyright (C) Eric Biederman, 2005 | |
5 | */ | |
c2e86add | 6 | #include "builtin.h" |
576a37fc | 7 | #include "attr.h" |
b2141fc1 | 8 | #include "config.h" |
4e120823 | 9 | #include "editor.h" |
b5fa6081 | 10 | #include "ident.h" |
ca4eed70 | 11 | #include "pager.h" |
e06c9e1d | 12 | #include "refs.h" |
89d62d5e JH |
13 | #include "path.h" |
14 | #include "strbuf.h" | |
aed022ab | 15 | |
9fabb6d7 | 16 | static const char var_usage[] = "git var (-l | <variable>)"; |
aed022ab | 17 | |
cdd489ea | 18 | static char *committer(int ident_flag) |
44fcb497 | 19 | { |
cdd489ea | 20 | return xstrdup_or_null(git_committer_info(ident_flag)); |
44fcb497 JN |
21 | } |
22 | ||
cdd489ea | 23 | static char *author(int ident_flag) |
4c3dd930 | 24 | { |
cdd489ea | 25 | return xstrdup_or_null(git_author_info(ident_flag)); |
4c3dd930 SA |
26 | } |
27 | ||
cdd489ea | 28 | static char *editor(int ident_flag UNUSED) |
29 | { | |
30 | return xstrdup_or_null(git_editor()); | |
31 | } | |
32 | ||
33 | static char *sequence_editor(int ident_flag UNUSED) | |
34 | { | |
35 | return xstrdup_or_null(git_sequence_editor()); | |
36 | } | |
37 | ||
38 | static char *pager(int ident_flag UNUSED) | |
63618245 | 39 | { |
64778d24 | 40 | const char *pgm = git_pager(1); |
63618245 JN |
41 | |
42 | if (!pgm) | |
43 | pgm = "cat"; | |
cdd489ea | 44 | return xstrdup(pgm); |
63618245 JN |
45 | } |
46 | ||
cdd489ea | 47 | static char *default_branch(int ident_flag UNUSED) |
e06c9e1d | 48 | { |
cdd489ea | 49 | return xstrdup_or_null(git_default_branch_name(1)); |
e06c9e1d TW |
50 | } |
51 | ||
cdd489ea | 52 | static char *shell_path(int ident_flag UNUSED) |
1e657212 | 53 | { |
cdd489ea | 54 | return xstrdup(SHELL_PATH); |
63618245 JN |
55 | } |
56 | ||
576a37fc | 57 | static char *git_attr_val_system(int ident_flag UNUSED) |
e06c9e1d | 58 | { |
576a37fc | 59 | if (git_attr_system_is_enabled()) { |
60 | char *file = xstrdup(git_attr_system_file()); | |
61 | normalize_path_copy(file, file); | |
62 | return file; | |
63 | } | |
64 | return NULL; | |
65 | } | |
66 | ||
67 | static char *git_attr_val_global(int ident_flag UNUSED) | |
68 | { | |
256a94ef | 69 | char *file = xstrdup_or_null(git_attr_global_file()); |
576a37fc | 70 | if (file) { |
71 | normalize_path_copy(file, file); | |
72 | return file; | |
73 | } | |
74 | return NULL; | |
75 | } | |
76 | ||
ed773a18 | 77 | static char *git_config_val_system(int ident_flag UNUSED) |
78 | { | |
79 | if (git_config_system()) { | |
80 | char *file = git_system_config(); | |
81 | normalize_path_copy(file, file); | |
82 | return file; | |
83 | } | |
84 | return NULL; | |
85 | } | |
86 | ||
87 | static char *git_config_val_global(int ident_flag UNUSED) | |
88 | { | |
89 | struct strbuf buf = STRBUF_INIT; | |
90 | char *user, *xdg; | |
91 | size_t unused; | |
92 | ||
ecffa3ed | 93 | git_global_config_paths(&user, &xdg); |
ed773a18 | 94 | if (xdg && *xdg) { |
95 | normalize_path_copy(xdg, xdg); | |
96 | strbuf_addf(&buf, "%s\n", xdg); | |
97 | } | |
98 | if (user && *user) { | |
99 | normalize_path_copy(user, user); | |
100 | strbuf_addf(&buf, "%s\n", user); | |
101 | } | |
102 | free(xdg); | |
103 | free(user); | |
104 | strbuf_trim_trailing_newline(&buf); | |
105 | if (buf.len == 0) { | |
106 | strbuf_release(&buf); | |
107 | return NULL; | |
108 | } | |
109 | return strbuf_detach(&buf, &unused); | |
e06c9e1d TW |
110 | } |
111 | ||
aed022ab EB |
112 | struct git_var { |
113 | const char *name; | |
cdd489ea | 114 | char *(*read)(int); |
ed773a18 | 115 | int multivalued; |
aed022ab EB |
116 | }; |
117 | static struct git_var git_vars[] = { | |
f74c90dc | 118 | { |
119 | .name = "GIT_COMMITTER_IDENT", | |
cdd489ea | 120 | .read = committer, |
f74c90dc | 121 | }, |
122 | { | |
123 | .name = "GIT_AUTHOR_IDENT", | |
cdd489ea | 124 | .read = author, |
f74c90dc | 125 | }, |
126 | { | |
127 | .name = "GIT_EDITOR", | |
128 | .read = editor, | |
129 | }, | |
130 | { | |
131 | .name = "GIT_SEQUENCE_EDITOR", | |
132 | .read = sequence_editor, | |
133 | }, | |
134 | { | |
135 | .name = "GIT_PAGER", | |
136 | .read = pager, | |
137 | }, | |
138 | { | |
139 | .name = "GIT_DEFAULT_BRANCH", | |
140 | .read = default_branch, | |
141 | }, | |
142 | { | |
143 | .name = "GIT_SHELL_PATH", | |
144 | .read = shell_path, | |
145 | }, | |
576a37fc | 146 | { |
147 | .name = "GIT_ATTR_SYSTEM", | |
148 | .read = git_attr_val_system, | |
149 | }, | |
150 | { | |
151 | .name = "GIT_ATTR_GLOBAL", | |
152 | .read = git_attr_val_global, | |
153 | }, | |
ed773a18 | 154 | { |
155 | .name = "GIT_CONFIG_SYSTEM", | |
156 | .read = git_config_val_system, | |
157 | }, | |
158 | { | |
159 | .name = "GIT_CONFIG_GLOBAL", | |
160 | .read = git_config_val_global, | |
161 | .multivalued = 1, | |
162 | }, | |
f74c90dc | 163 | { |
164 | .name = "", | |
165 | .read = NULL, | |
166 | }, | |
aed022ab EB |
167 | }; |
168 | ||
169 | static void list_vars(void) | |
170 | { | |
171 | struct git_var *ptr; | |
cdd489ea | 172 | char *val; |
44fcb497 | 173 | |
eeefa7c9 | 174 | for (ptr = git_vars; ptr->read; ptr++) |
cdd489ea | 175 | if ((val = ptr->read(0))) { |
ed773a18 | 176 | if (ptr->multivalued && *val) { |
177 | struct string_list list = STRING_LIST_INIT_DUP; | |
178 | int i; | |
179 | ||
180 | string_list_split(&list, val, '\n', -1); | |
181 | for (i = 0; i < list.nr; i++) | |
182 | printf("%s=%s\n", ptr->name, list.items[i].string); | |
183 | string_list_clear(&list, 0); | |
184 | } else { | |
185 | printf("%s=%s\n", ptr->name, val); | |
186 | } | |
cdd489ea | 187 | free(val); |
188 | } | |
aed022ab EB |
189 | } |
190 | ||
26b8abc7 | 191 | static const struct git_var *get_git_var(const char *var) |
aed022ab EB |
192 | { |
193 | struct git_var *ptr; | |
eeefa7c9 | 194 | for (ptr = git_vars; ptr->read; ptr++) { |
aed022ab | 195 | if (strcmp(var, ptr->name) == 0) { |
26b8abc7 | 196 | return ptr; |
aed022ab EB |
197 | } |
198 | } | |
26b8abc7 | 199 | return NULL; |
aed022ab EB |
200 | } |
201 | ||
a4e7e317 GC |
202 | static int show_config(const char *var, const char *value, |
203 | const struct config_context *ctx, void *cb) | |
e1b10391 LT |
204 | { |
205 | if (value) | |
206 | printf("%s=%s\n", var, value); | |
207 | else | |
208 | printf("%s\n", var); | |
a4e7e317 | 209 | return git_default_config(var, value, ctx, cb); |
e1b10391 LT |
210 | } |
211 | ||
5247b762 | 212 | int cmd_var(int argc, const char **argv, const char *prefix UNUSED) |
aed022ab | 213 | { |
26b8abc7 | 214 | const struct git_var *git_var; |
cdd489ea | 215 | char *val; |
26b8abc7 | 216 | |
2bc8c1a8 | 217 | if (argc != 2) |
aed022ab | 218 | usage(var_usage); |
aed022ab EB |
219 | |
220 | if (strcmp(argv[1], "-l") == 0) { | |
ef90d6d4 | 221 | git_config(show_config, NULL); |
aed022ab EB |
222 | list_vars(); |
223 | return 0; | |
224 | } | |
ef90d6d4 | 225 | git_config(git_default_config, NULL); |
26b8abc7 SA |
226 | |
227 | git_var = get_git_var(argv[1]); | |
228 | if (!git_var) | |
aed022ab | 229 | usage(var_usage); |
a6080a0a | 230 | |
26b8abc7 SA |
231 | val = git_var->read(IDENT_STRICT); |
232 | if (!val) | |
233 | return 1; | |
234 | ||
aed022ab | 235 | printf("%s\n", val); |
cdd489ea | 236 | free(val); |
a6080a0a | 237 | |
aed022ab EB |
238 | return 0; |
239 | } |