summaryrefslogtreecommitdiff
path: root/repo-config.c
blob: 03f108fe2f8a624075e7e7db4177df13dc38372f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
#include "cache.h"
#include <regex.h>

static const char git_config_set_usage[] =
"git-repo-config [ --bool | --int ] [--get | --get-all | --get-regexp | --replace-all | --unset | --unset-all] name [value [value_regex]] | --list";

static char* key = NULL;
static regex_t* key_regexp = NULL;
static regex_t* regexp = NULL;
static int show_keys = 0;
static int use_key_regexp = 0;
static int do_all = 0;
static int do_not_match = 0;
static int seen = 0;
static enum { T_RAW, T_INT, T_BOOL } type = T_RAW;

static int show_all_config(const char *key_, const char *value_)
{
	if (value_)
		printf("%s=%s\n", key_, value_);
	else
		printf("%s\n", key_);
	return 0;
}

static int show_config(const char* key_, const char* value_)
{
	char value[256];
	const char *vptr = value;
	int dup_error = 0;

	if (value_ == NULL)
		value_ = "";

	if (!use_key_regexp && strcmp(key_, key))
		return 0;
	if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
		return 0;
	if (regexp != NULL &&
			 (do_not_match ^
			  regexec(regexp, value_, 0, NULL, 0)))
		return 0;

	if (show_keys)
		printf("%s ", key_);
	if (seen && !do_all)
		dup_error = 1;
	if (type == T_INT)
		sprintf(value, "%d", git_config_int(key_, value_));
	else if (type == T_BOOL)
		vptr = git_config_bool(key_, value_) ? "true" : "false";
	else
		vptr = value_;
	seen++;
	if (dup_error) {
		error("More than one value for the key %s: %s",
				key_, vptr);
	}
	else
		printf("%s\n", vptr);

	return 0;
}

static int get_value(const char* key_, const char* regex_)
{
	int ret = -1;
	char *tl;
	char *global = NULL, *repo_config = NULL;
	const char *local;

	local = getenv("GIT_CONFIG");
	if (!local) {
		const char *home = getenv("HOME");
		local = getenv("GIT_CONFIG_LOCAL");
		if (!local)
			local = repo_config;
		else
			local = repo_config = strdup(git_path("config"));
		if (home)
			global = strdup(mkpath("%s/.gitconfig", home));
	}

	key = strdup(key_);
	for (tl=key+strlen(key)-1; tl >= key && *tl != '.'; --tl)
		*tl = tolower(*tl);
	for (tl=key; *tl && *tl != '.'; ++tl)
		*tl = tolower(*tl);

	if (use_key_regexp) {
		key_regexp = (regex_t*)malloc(sizeof(regex_t));
		if (regcomp(key_regexp, key, REG_EXTENDED)) {
			fprintf(stderr, "Invalid key pattern: %s\n", key_);
			goto free_strings;
		}
	}

	if (regex_) {
		if (regex_[0] == '!') {
			do_not_match = 1;
			regex_++;
		}

		regexp = (regex_t*)malloc(sizeof(regex_t));
		if (regcomp(regexp, regex_, REG_EXTENDED)) {
			fprintf(stderr, "Invalid pattern: %s\n", regex_);
			goto free_strings;
		}
	}

	if (do_all && global)
		git_config_from_file(show_config, global);
	git_config_from_file(show_config, local);
	if (!do_all && !seen && global)
		git_config_from_file(show_config, global);

	free(key);
	if (regexp) {
		regfree(regexp);
		free(regexp);
	}

	if (do_all)
		ret = !seen;
	else
		ret =  (seen == 1) ? 0 : 1;

free_strings:
	if (repo_config)
		free(repo_config);
	if (global)
		free(global);
	return ret;
}

int main(int argc, const char **argv)
{
	int nongit = 0;
	setup_git_directory_gently(&nongit);

	while (1 < argc) {
		if (!strcmp(argv[1], "--int"))
			type = T_INT;
		else if (!strcmp(argv[1], "--bool"))
			type = T_BOOL;
		else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l"))
			return git_config(show_all_config);
		else
			break;
		argc--;
		argv++;
	}

	switch (argc) {
	case 2:
		return get_value(argv[1], NULL);
	case 3:
		if (!strcmp(argv[1], "--unset"))
			return git_config_set(argv[2], NULL);
		else if (!strcmp(argv[1], "--unset-all"))
			return git_config_set_multivar(argv[2], NULL, NULL, 1);
		else if (!strcmp(argv[1], "--get"))
			return get_value(argv[2], NULL);
		else if (!strcmp(argv[1], "--get-all")) {
			do_all = 1;
			return get_value(argv[2], NULL);
		} else if (!strcmp(argv[1], "--get-regexp")) {
			show_keys = 1;
			use_key_regexp = 1;
			do_all = 1;
			return get_value(argv[2], NULL);
		} else

			return git_config_set(argv[1], argv[2]);
	case 4:
		if (!strcmp(argv[1], "--unset"))
			return git_config_set_multivar(argv[2], NULL, argv[3], 0);
		else if (!strcmp(argv[1], "--unset-all"))
			return git_config_set_multivar(argv[2], NULL, argv[3], 1);
		else if (!strcmp(argv[1], "--get"))
			return get_value(argv[2], argv[3]);
		else if (!strcmp(argv[1], "--get-all")) {
			do_all = 1;
			return get_value(argv[2], argv[3]);
		} else if (!strcmp(argv[1], "--get-regexp")) {
			show_keys = 1;
			use_key_regexp = 1;
			do_all = 1;
			return get_value(argv[2], argv[3]);
		} else if (!strcmp(argv[1], "--replace-all"))

			return git_config_set_multivar(argv[2], argv[3], NULL, 1);
		else

			return git_config_set_multivar(argv[1], argv[2], argv[3], 0);
	case 5:
		if (!strcmp(argv[1], "--replace-all"))
			return git_config_set_multivar(argv[2], argv[3], argv[4], 1);
	case 1:
	default:
		usage(git_config_set_usage);
	}
	return 0;
}