]>
Commit | Line | Data |
---|---|---|
aed022ab EB |
1 | /* |
2 | * GIT - The information manager from hell | |
3 | * | |
4 | * Copyright (C) Eric Biederman, 2005 | |
5 | */ | |
c2e86add | 6 | #include "builtin.h" |
b2141fc1 | 7 | #include "config.h" |
e06c9e1d | 8 | #include "refs.h" |
aed022ab | 9 | |
9fabb6d7 | 10 | static const char var_usage[] = "git var (-l | <variable>)"; |
aed022ab | 11 | |
44fcb497 JN |
12 | static const char *editor(int flag) |
13 | { | |
14 | const char *pgm = git_editor(); | |
15 | ||
f9bc573f | 16 | if (!pgm && flag & IDENT_STRICT) |
44fcb497 JN |
17 | die("Terminal is dumb, but EDITOR unset"); |
18 | ||
19 | return pgm; | |
20 | } | |
21 | ||
63618245 JN |
22 | static const char *pager(int flag) |
23 | { | |
64778d24 | 24 | const char *pgm = git_pager(1); |
63618245 JN |
25 | |
26 | if (!pgm) | |
27 | pgm = "cat"; | |
28 | return pgm; | |
29 | } | |
30 | ||
e06c9e1d TW |
31 | static const char *default_branch(int flag) |
32 | { | |
33 | return git_default_branch_name(1); | |
34 | } | |
35 | ||
aed022ab EB |
36 | struct git_var { |
37 | const char *name; | |
749be728 | 38 | const char *(*read)(int); |
aed022ab EB |
39 | }; |
40 | static struct git_var git_vars[] = { | |
41 | { "GIT_COMMITTER_IDENT", git_committer_info }, | |
42 | { "GIT_AUTHOR_IDENT", git_author_info }, | |
44fcb497 | 43 | { "GIT_EDITOR", editor }, |
63618245 | 44 | { "GIT_PAGER", pager }, |
e06c9e1d | 45 | { "GIT_DEFAULT_BRANCH", default_branch }, |
aed022ab EB |
46 | { "", NULL }, |
47 | }; | |
48 | ||
49 | static void list_vars(void) | |
50 | { | |
51 | struct git_var *ptr; | |
44fcb497 JN |
52 | const char *val; |
53 | ||
eeefa7c9 | 54 | for (ptr = git_vars; ptr->read; ptr++) |
44fcb497 JN |
55 | if ((val = ptr->read(0))) |
56 | printf("%s=%s\n", ptr->name, val); | |
aed022ab EB |
57 | } |
58 | ||
59 | static const char *read_var(const char *var) | |
60 | { | |
61 | struct git_var *ptr; | |
62 | const char *val; | |
63 | val = NULL; | |
eeefa7c9 | 64 | for (ptr = git_vars; ptr->read; ptr++) { |
aed022ab | 65 | if (strcmp(var, ptr->name) == 0) { |
f9bc573f | 66 | val = ptr->read(IDENT_STRICT); |
aed022ab EB |
67 | break; |
68 | } | |
69 | } | |
70 | return val; | |
71 | } | |
72 | ||
ef90d6d4 | 73 | static int show_config(const char *var, const char *value, void *cb) |
e1b10391 LT |
74 | { |
75 | if (value) | |
76 | printf("%s=%s\n", var, value); | |
77 | else | |
78 | printf("%s\n", var); | |
ef90d6d4 | 79 | return git_default_config(var, value, cb); |
e1b10391 LT |
80 | } |
81 | ||
55b6745d | 82 | int cmd_var(int argc, const char **argv, const char *prefix) |
aed022ab | 83 | { |
2bc8c1a8 NTND |
84 | const char *val = NULL; |
85 | if (argc != 2) | |
aed022ab | 86 | usage(var_usage); |
aed022ab EB |
87 | |
88 | if (strcmp(argv[1], "-l") == 0) { | |
ef90d6d4 | 89 | git_config(show_config, NULL); |
aed022ab EB |
90 | list_vars(); |
91 | return 0; | |
92 | } | |
ef90d6d4 | 93 | git_config(git_default_config, NULL); |
aed022ab EB |
94 | val = read_var(argv[1]); |
95 | if (!val) | |
96 | usage(var_usage); | |
a6080a0a | 97 | |
aed022ab | 98 | printf("%s\n", val); |
a6080a0a | 99 | |
aed022ab EB |
100 | return 0; |
101 | } |