git/t/helper/test-config.c
Bert Wesarg f2a2327a4a config: provide access to the current line number
Users are nowadays trained to see message from CLI tools in the form

    <file>:<lno>: …

To be able to give such messages when notifying the user about
configurations in any config file, it is currently only possible to get
the file name (if the value originates from a file to begin with) via
`current_config_name()`. Now it is also possible to query the current line
number for the configuration.

Signed-off-by: Bert Wesarg <bert.wesarg@googlemail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-02-10 10:52:10 -08:00

195 lines
4.8 KiB
C

#include "test-tool.h"
#include "cache.h"
#include "config.h"
#include "string-list.h"
/*
* This program exposes the C API of the configuration mechanism
* as a set of simple commands in order to facilitate testing.
*
* Reads stdin and prints result of command to stdout:
*
* get_value -> prints the value with highest priority for the entered key
*
* get_value_multi -> prints all values for the entered key in increasing order
* of priority
*
* get_int -> print integer value for the entered key or die
*
* get_bool -> print bool value for the entered key or die
*
* get_string -> print string value for the entered key or die
*
* configset_get_value -> returns value with the highest priority for the entered key
* from a config_set constructed from files entered as arguments.
*
* configset_get_value_multi -> returns value_list for the entered key sorted in
* ascending order of priority from a config_set
* constructed from files entered as arguments.
*
* iterate -> iterate over all values using git_config(), and print some
* data for each
*
* Examples:
*
* To print the value with highest priority for key "foo.bAr Baz.rock":
* test-tool config get_value "foo.bAr Baz.rock"
*
*/
static int iterate_cb(const char *var, const char *value, void *data)
{
static int nr;
if (nr++)
putchar('\n');
printf("key=%s\n", var);
printf("value=%s\n", value ? value : "(null)");
printf("origin=%s\n", current_config_origin_type());
printf("name=%s\n", current_config_name());
printf("lno=%d\n", current_config_line());
printf("scope=%s\n", config_scope_name(current_config_scope()));
return 0;
}
static int early_config_cb(const char *var, const char *value, void *vdata)
{
const char *key = vdata;
if (!strcmp(key, var))
printf("%s\n", value);
return 0;
}
int cmd__config(int argc, const char **argv)
{
int i, val;
const char *v;
const struct string_list *strptr;
struct config_set cs;
if (argc == 3 && !strcmp(argv[1], "read_early_config")) {
read_early_config(early_config_cb, (void *)argv[2]);
return 0;
}
setup_git_directory();
git_configset_init(&cs);
if (argc < 2) {
fprintf(stderr, "Please, provide a command name on the command-line\n");
goto exit1;
} else if (argc == 3 && !strcmp(argv[1], "get_value")) {
if (!git_config_get_value(argv[2], &v)) {
if (!v)
printf("(NULL)\n");
else
printf("%s\n", v);
goto exit0;
} else {
printf("Value not found for \"%s\"\n", argv[2]);
goto exit1;
}
} else if (argc == 3 && !strcmp(argv[1], "get_value_multi")) {
strptr = git_config_get_value_multi(argv[2]);
if (strptr) {
for (i = 0; i < strptr->nr; i++) {
v = strptr->items[i].string;
if (!v)
printf("(NULL)\n");
else
printf("%s\n", v);
}
goto exit0;
} else {
printf("Value not found for \"%s\"\n", argv[2]);
goto exit1;
}
} else if (argc == 3 && !strcmp(argv[1], "get_int")) {
if (!git_config_get_int(argv[2], &val)) {
printf("%d\n", val);
goto exit0;
} else {
printf("Value not found for \"%s\"\n", argv[2]);
goto exit1;
}
} else if (argc == 3 && !strcmp(argv[1], "get_bool")) {
if (!git_config_get_bool(argv[2], &val)) {
printf("%d\n", val);
goto exit0;
} else {
printf("Value not found for \"%s\"\n", argv[2]);
goto exit1;
}
} else if (argc == 3 && !strcmp(argv[1], "get_string")) {
if (!git_config_get_string_const(argv[2], &v)) {
printf("%s\n", v);
goto exit0;
} else {
printf("Value not found for \"%s\"\n", argv[2]);
goto exit1;
}
} else if (!strcmp(argv[1], "configset_get_value")) {
for (i = 3; i < argc; i++) {
int err;
if ((err = git_configset_add_file(&cs, argv[i]))) {
fprintf(stderr, "Error (%d) reading configuration file %s.\n", err, argv[i]);
goto exit2;
}
}
if (!git_configset_get_value(&cs, argv[2], &v)) {
if (!v)
printf("(NULL)\n");
else
printf("%s\n", v);
goto exit0;
} else {
printf("Value not found for \"%s\"\n", argv[2]);
goto exit1;
}
} else if (!strcmp(argv[1], "configset_get_value_multi")) {
for (i = 3; i < argc; i++) {
int err;
if ((err = git_configset_add_file(&cs, argv[i]))) {
fprintf(stderr, "Error (%d) reading configuration file %s.\n", err, argv[i]);
goto exit2;
}
}
strptr = git_configset_get_value_multi(&cs, argv[2]);
if (strptr) {
for (i = 0; i < strptr->nr; i++) {
v = strptr->items[i].string;
if (!v)
printf("(NULL)\n");
else
printf("%s\n", v);
}
goto exit0;
} else {
printf("Value not found for \"%s\"\n", argv[2]);
goto exit1;
}
} else if (!strcmp(argv[1], "iterate")) {
git_config(iterate_cb, NULL);
goto exit0;
}
die("%s: Please check the syntax and the function name", argv[0]);
exit0:
git_configset_clear(&cs);
return 0;
exit1:
git_configset_clear(&cs);
return 1;
exit2:
git_configset_clear(&cs);
return 2;
}