git/trace2/tr2_sysenv.h

#ifndef TR2_SYSENV_H
#define TR2_SYSENV_H

/*
 * The Trace2 settings that can be loaded from /etc/gitconfig
 * and/or user environment variables.
 *
 * Note that this set does not contain any of the transient
 * environment variables used to pass information from parent
 * to child git processes, such "GIT_TRACE2_PARENT_SID".
 */
enum tr2_sysenv_variable { … };

void tr2_sysenv_load(void);

const char *tr2_sysenv_get(enum tr2_sysenv_variable);
const char *tr2_sysenv_display_name(enum tr2_sysenv_variable var);
void tr2_sysenv_release(void);

#endif /* TR2_SYSENV_H */