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git/environment.c
Junio C Hamano e388c73825 core.prefersymlinkrefs: use symlinks for .git/HEAD
When inspecting a project whose build infrastructure used to
assume that .git/HEAD is a symlink ref, core.prefersymlinkrefs
in the config file of such a project would help to bisect its
history.

Signed-off-by: Junio C Hamano <junkio@cox.net>
(cherry picked from 9f0bb90d16 commit)
2006-05-05 14:37:08 -07:00

83 lines
1.9 KiB
C

/*
* We put all the git config variables in this same object
* file, so that programs can link against the config parser
* without having to link against all the rest of git.
*
* In particular, no need to bring in libz etc unless needed,
* even if you might want to know where the git directory etc
* are.
*/
#include "cache.h"
char git_default_email[MAX_GITNAME];
char git_default_name[MAX_GITNAME];
int trust_executable_bit = 1;
int assume_unchanged = 0;
int prefer_symlink_refs = 0;
int warn_ambiguous_refs = 1;
int repository_format_version = 0;
char git_commit_encoding[MAX_ENCODING_LENGTH] = "utf-8";
int shared_repository = 0;
const char *apply_default_whitespace = NULL;
static char *git_dir, *git_object_dir, *git_index_file, *git_refs_dir,
*git_graft_file;
static void setup_git_env(void)
{
git_dir = getenv(GIT_DIR_ENVIRONMENT);
if (!git_dir)
git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
git_object_dir = getenv(DB_ENVIRONMENT);
if (!git_object_dir) {
git_object_dir = xmalloc(strlen(git_dir) + 9);
sprintf(git_object_dir, "%s/objects", git_dir);
}
git_refs_dir = xmalloc(strlen(git_dir) + 6);
sprintf(git_refs_dir, "%s/refs", git_dir);
git_index_file = getenv(INDEX_ENVIRONMENT);
if (!git_index_file) {
git_index_file = xmalloc(strlen(git_dir) + 7);
sprintf(git_index_file, "%s/index", git_dir);
}
git_graft_file = getenv(GRAFT_ENVIRONMENT);
if (!git_graft_file)
git_graft_file = strdup(git_path("info/grafts"));
}
char *get_git_dir(void)
{
if (!git_dir)
setup_git_env();
return git_dir;
}
char *get_object_directory(void)
{
if (!git_object_dir)
setup_git_env();
return git_object_dir;
}
char *get_refs_directory(void)
{
if (!git_refs_dir)
setup_git_env();
return git_refs_dir;
}
char *get_index_file(void)
{
if (!git_index_file)
setup_git_env();
return git_index_file;
}
char *get_graft_file(void)
{
if (!git_graft_file)
setup_git_env();
return git_graft_file;
}