#include "cache.h"
#include "config.h"
#include "dir.h"
#include "tr2_sysenv.h"

/*
 * Each entry represents a trace2 setting.
 * See Documentation/technical/api-trace2.txt
 */
struct tr2_sysenv_entry {
	const char *env_var_name;
	const char *git_config_name;

	char *value;
	unsigned int getenv_called : 1;
};

/*
 * This table must match "enum tr2_sysenv_variable" in tr2_sysenv.h.
 *
 * The strings in this table are constant and must match the published
 * config and environment variable names as described in the documentation.
 *
 * We do not define entries for the GIT_TRACE2_PARENT_* environment
 * variables because they are transient and used to pass information
 * from parent to child git processes, rather than settings.
 */
/* clang-format off */
static struct tr2_sysenv_entry tr2_sysenv_settings[] = {
	[TR2_SYSENV_CFG_PARAM]     = { "GIT_TRACE2_CONFIG_PARAMS",
				       "trace2.configparams" },
	[TR2_SYSENV_ENV_VARS]      = { "GIT_TRACE2_ENV_VARS",
				       "trace2.envvars" },

	[TR2_SYSENV_DST_DEBUG]     = { "GIT_TRACE2_DST_DEBUG",
				       "trace2.destinationdebug" },

	[TR2_SYSENV_NORMAL]        = { "GIT_TRACE2",
				       "trace2.normaltarget" },
	[TR2_SYSENV_NORMAL_BRIEF]  = {