mirror of
https://github.com/git/git
synced 2024-08-27 11:39:22 +00:00
![Johannes Schindelin](/assets/img/avatar_default.png)
* maint-2.17: (32 commits) Git 2.17.3 Git 2.16.6 test-drop-caches: use `has_dos_drive_prefix()` Git 2.15.4 Git 2.14.6 mingw: handle `subst`-ed "DOS drives" mingw: refuse to access paths with trailing spaces or periods mingw: refuse to access paths with illegal characters unpack-trees: let merged_entry() pass through do_add_entry()'s errors quote-stress-test: offer to test quoting arguments for MSYS2 sh t6130/t9350: prepare for stringent Win32 path validation quote-stress-test: allow skipping some trials quote-stress-test: accept arguments to test via the command-line tests: add a helper to stress test argument quoting mingw: fix quoting of arguments Disallow dubiously-nested submodule git directories protect_ntfs: turn on NTFS protection by default path: also guard `.gitmodules` against NTFS Alternate Data Streams is_ntfs_dotgit(): speed it up mingw: disallow backslash characters in tree objects' file names ...
412 lines
11 KiB
C
412 lines
11 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"
|
|
#include "repository.h"
|
|
#include "config.h"
|
|
#include "refs.h"
|
|
#include "fmt-merge-msg.h"
|
|
#include "commit.h"
|
|
#include "argv-array.h"
|
|
#include "object-store.h"
|
|
#include "chdir-notify.h"
|
|
|
|
int trust_executable_bit = 1;
|
|
int trust_ctime = 1;
|
|
int check_stat = 1;
|
|
int has_symlinks = 1;
|
|
int minimum_abbrev = 4, default_abbrev = -1;
|
|
int ignore_case;
|
|
int assume_unchanged;
|
|
int prefer_symlink_refs;
|
|
int is_bare_repository_cfg = -1; /* unspecified */
|
|
int warn_ambiguous_refs = 1;
|
|
int warn_on_object_refname_ambiguity = 1;
|
|
int ref_paranoia = -1;
|
|
int repository_format_precious_objects;
|
|
char *repository_format_partial_clone;
|
|
const char *core_partial_clone_filter_default;
|
|
const char *git_commit_encoding;
|
|
const char *git_log_output_encoding;
|
|
const char *apply_default_whitespace;
|
|
const char *apply_default_ignorewhitespace;
|
|
const char *git_attributes_file;
|
|
const char *git_hooks_path;
|
|
int zlib_compression_level = Z_BEST_SPEED;
|
|
int core_compression_level;
|
|
int pack_compression_level = Z_DEFAULT_COMPRESSION;
|
|
int fsync_object_files;
|
|
size_t packed_git_window_size = DEFAULT_PACKED_GIT_WINDOW_SIZE;
|
|
size_t packed_git_limit = DEFAULT_PACKED_GIT_LIMIT;
|
|
size_t delta_base_cache_limit = 96 * 1024 * 1024;
|
|
unsigned long big_file_threshold = 512 * 1024 * 1024;
|
|
int pager_use_color = 1;
|
|
const char *editor_program;
|
|
const char *askpass_program;
|
|
const char *excludes_file;
|
|
enum auto_crlf auto_crlf = AUTO_CRLF_FALSE;
|
|
int check_replace_refs = 1; /* NEEDSWORK: rename to read_replace_refs */
|
|
char *git_replace_ref_base;
|
|
enum eol core_eol = EOL_UNSET;
|
|
int global_conv_flags_eol = CONV_EOL_RNDTRP_WARN;
|
|
char *check_roundtrip_encoding = "SHIFT-JIS";
|
|
unsigned whitespace_rule_cfg = WS_DEFAULT_RULE;
|
|
enum branch_track git_branch_track = BRANCH_TRACK_REMOTE;
|
|
enum rebase_setup_type autorebase = AUTOREBASE_NEVER;
|
|
enum push_default_type push_default = PUSH_DEFAULT_UNSPECIFIED;
|
|
#ifndef OBJECT_CREATION_MODE
|
|
#define OBJECT_CREATION_MODE OBJECT_CREATION_USES_HARDLINKS
|
|
#endif
|
|
enum object_creation_mode object_creation_mode = OBJECT_CREATION_MODE;
|
|
char *notes_ref_name;
|
|
int grafts_replace_parents = 1;
|
|
int core_commit_graph;
|
|
int core_apply_sparse_checkout;
|
|
int merge_log_config = -1;
|
|
int precomposed_unicode = -1; /* see probe_utf8_pathname_composition() */
|
|
unsigned long pack_size_limit_cfg;
|
|
enum hide_dotfiles_type hide_dotfiles = HIDE_DOTFILES_DOTGITONLY;
|
|
enum log_refs_config log_all_ref_updates = LOG_REFS_UNSET;
|
|
|
|
#ifndef PROTECT_HFS_DEFAULT
|
|
#define PROTECT_HFS_DEFAULT 0
|
|
#endif
|
|
int protect_hfs = PROTECT_HFS_DEFAULT;
|
|
|
|
#ifndef PROTECT_NTFS_DEFAULT
|
|
#define PROTECT_NTFS_DEFAULT 1
|
|
#endif
|
|
int protect_ntfs = PROTECT_NTFS_DEFAULT;
|
|
const char *core_fsmonitor;
|
|
|
|
/*
|
|
* The character that begins a commented line in user-editable file
|
|
* that is subject to stripspace.
|
|
*/
|
|
char comment_line_char = '#';
|
|
int auto_comment_line_char;
|
|
|
|
/* Parallel index stat data preload? */
|
|
int core_preload_index = 1;
|
|
|
|
/*
|
|
* This is a hack for test programs like test-dump-untracked-cache to
|
|
* ensure that they do not modify the untracked cache when reading it.
|
|
* Do not use it otherwise!
|
|
*/
|
|
int ignore_untracked_cache_config;
|
|
|
|
/* This is set by setup_git_dir_gently() and/or git_default_config() */
|
|
char *git_work_tree_cfg;
|
|
|
|
static char *git_namespace;
|
|
|
|
static const char *super_prefix;
|
|
|
|
/*
|
|
* Repository-local GIT_* environment variables; see cache.h for details.
|
|
*/
|
|
const char * const local_repo_env[] = {
|
|
ALTERNATE_DB_ENVIRONMENT,
|
|
CONFIG_ENVIRONMENT,
|
|
CONFIG_DATA_ENVIRONMENT,
|
|
DB_ENVIRONMENT,
|
|
GIT_DIR_ENVIRONMENT,
|
|
GIT_WORK_TREE_ENVIRONMENT,
|
|
GIT_IMPLICIT_WORK_TREE_ENVIRONMENT,
|
|
GRAFT_ENVIRONMENT,
|
|
INDEX_ENVIRONMENT,
|
|
NO_REPLACE_OBJECTS_ENVIRONMENT,
|
|
GIT_REPLACE_REF_BASE_ENVIRONMENT,
|
|
GIT_PREFIX_ENVIRONMENT,
|
|
GIT_SUPER_PREFIX_ENVIRONMENT,
|
|
GIT_SHALLOW_FILE_ENVIRONMENT,
|
|
GIT_COMMON_DIR_ENVIRONMENT,
|
|
NULL
|
|
};
|
|
|
|
static char *expand_namespace(const char *raw_namespace)
|
|
{
|
|
struct strbuf buf = STRBUF_INIT;
|
|
struct strbuf **components, **c;
|
|
|
|
if (!raw_namespace || !*raw_namespace)
|
|
return xstrdup("");
|
|
|
|
strbuf_addstr(&buf, raw_namespace);
|
|
components = strbuf_split(&buf, '/');
|
|
strbuf_reset(&buf);
|
|
for (c = components; *c; c++)
|
|
if (strcmp((*c)->buf, "/") != 0)
|
|
strbuf_addf(&buf, "refs/namespaces/%s", (*c)->buf);
|
|
strbuf_list_free(components);
|
|
if (check_refname_format(buf.buf, 0))
|
|
die("bad git namespace path \"%s\"", raw_namespace);
|
|
strbuf_addch(&buf, '/');
|
|
return strbuf_detach(&buf, NULL);
|
|
}
|
|
|
|
/*
|
|
* Wrapper of getenv() that returns a strdup value. This value is kept
|
|
* in argv to be freed later.
|
|
*/
|
|
static const char *getenv_safe(struct argv_array *argv, const char *name)
|
|
{
|
|
const char *value = getenv(name);
|
|
|
|
if (!value)
|
|
return NULL;
|
|
|
|
argv_array_push(argv, value);
|
|
return argv->argv[argv->argc - 1];
|
|
}
|
|
|
|
void setup_git_env(const char *git_dir)
|
|
{
|
|
const char *shallow_file;
|
|
const char *replace_ref_base;
|
|
struct set_gitdir_args args = { NULL };
|
|
struct argv_array to_free = ARGV_ARRAY_INIT;
|
|
|
|
args.commondir = getenv_safe(&to_free, GIT_COMMON_DIR_ENVIRONMENT);
|
|
args.object_dir = getenv_safe(&to_free, DB_ENVIRONMENT);
|
|
args.graft_file = getenv_safe(&to_free, GRAFT_ENVIRONMENT);
|
|
args.index_file = getenv_safe(&to_free, INDEX_ENVIRONMENT);
|
|
args.alternate_db = getenv_safe(&to_free, ALTERNATE_DB_ENVIRONMENT);
|
|
repo_set_gitdir(the_repository, git_dir, &args);
|
|
argv_array_clear(&to_free);
|
|
|
|
if (getenv(NO_REPLACE_OBJECTS_ENVIRONMENT))
|
|
check_replace_refs = 0;
|
|
replace_ref_base = getenv(GIT_REPLACE_REF_BASE_ENVIRONMENT);
|
|
free(git_replace_ref_base);
|
|
git_replace_ref_base = xstrdup(replace_ref_base ? replace_ref_base
|
|
: "refs/replace/");
|
|
free(git_namespace);
|
|
git_namespace = expand_namespace(getenv(GIT_NAMESPACE_ENVIRONMENT));
|
|
shallow_file = getenv(GIT_SHALLOW_FILE_ENVIRONMENT);
|
|
if (shallow_file)
|
|
set_alternate_shallow_file(shallow_file, 0);
|
|
}
|
|
|
|
int is_bare_repository(void)
|
|
{
|
|
/* if core.bare is not 'false', let's see if there is a work tree */
|
|
return is_bare_repository_cfg && !get_git_work_tree();
|
|
}
|
|
|
|
int have_git_dir(void)
|
|
{
|
|
return startup_info->have_repository
|
|
|| the_repository->gitdir;
|
|
}
|
|
|
|
const char *get_git_dir(void)
|
|
{
|
|
if (!the_repository->gitdir)
|
|
BUG("git environment hasn't been setup");
|
|
return the_repository->gitdir;
|
|
}
|
|
|
|
const char *get_git_common_dir(void)
|
|
{
|
|
if (!the_repository->commondir)
|
|
BUG("git environment hasn't been setup");
|
|
return the_repository->commondir;
|
|
}
|
|
|
|
const char *get_git_namespace(void)
|
|
{
|
|
if (!git_namespace)
|
|
BUG("git environment hasn't been setup");
|
|
return git_namespace;
|
|
}
|
|
|
|
const char *strip_namespace(const char *namespaced_ref)
|
|
{
|
|
const char *out;
|
|
if (skip_prefix(namespaced_ref, get_git_namespace(), &out))
|
|
return out;
|
|
return NULL;
|
|
}
|
|
|
|
const char *get_super_prefix(void)
|
|
{
|
|
static int initialized;
|
|
if (!initialized) {
|
|
super_prefix = getenv(GIT_SUPER_PREFIX_ENVIRONMENT);
|
|
initialized = 1;
|
|
}
|
|
return super_prefix;
|
|
}
|
|
|
|
static int git_work_tree_initialized;
|
|
|
|
/*
|
|
* Note. This works only before you used a work tree. This was added
|
|
* primarily to support git-clone to work in a new repository it just
|
|
* created, and is not meant to flip between different work trees.
|
|
*/
|
|
void set_git_work_tree(const char *new_work_tree)
|
|
{
|
|
if (git_work_tree_initialized) {
|
|
new_work_tree = real_path(new_work_tree);
|
|
if (strcmp(new_work_tree, the_repository->worktree))
|
|
die("internal error: work tree has already been set\n"
|
|
"Current worktree: %s\nNew worktree: %s",
|
|
the_repository->worktree, new_work_tree);
|
|
return;
|
|
}
|
|
git_work_tree_initialized = 1;
|
|
repo_set_worktree(the_repository, new_work_tree);
|
|
}
|
|
|
|
const char *get_git_work_tree(void)
|
|
{
|
|
return the_repository->worktree;
|
|
}
|
|
|
|
char *get_object_directory(void)
|
|
{
|
|
if (!the_repository->objects->objectdir)
|
|
BUG("git environment hasn't been setup");
|
|
return the_repository->objects->objectdir;
|
|
}
|
|
|
|
int odb_mkstemp(struct strbuf *temp_filename, const char *pattern)
|
|
{
|
|
int fd;
|
|
/*
|
|
* we let the umask do its job, don't try to be more
|
|
* restrictive except to remove write permission.
|
|
*/
|
|
int mode = 0444;
|
|
git_path_buf(temp_filename, "objects/%s", pattern);
|
|
fd = git_mkstemp_mode(temp_filename->buf, mode);
|
|
if (0 <= fd)
|
|
return fd;
|
|
|
|
/* slow path */
|
|
/* some mkstemp implementations erase temp_filename on failure */
|
|
git_path_buf(temp_filename, "objects/%s", pattern);
|
|
safe_create_leading_directories(temp_filename->buf);
|
|
return xmkstemp_mode(temp_filename->buf, mode);
|
|
}
|
|
|
|
int odb_pack_keep(const char *name)
|
|
{
|
|
int fd;
|
|
|
|
fd = open(name, O_RDWR|O_CREAT|O_EXCL, 0600);
|
|
if (0 <= fd)
|
|
return fd;
|
|
|
|
/* slow path */
|
|
safe_create_leading_directories_const(name);
|
|
return open(name, O_RDWR|O_CREAT|O_EXCL, 0600);
|
|
}
|
|
|
|
char *get_index_file(void)
|
|
{
|
|
if (!the_repository->index_file)
|
|
BUG("git environment hasn't been setup");
|
|
return the_repository->index_file;
|
|
}
|
|
|
|
char *get_graft_file(void)
|
|
{
|
|
if (!the_repository->graft_file)
|
|
BUG("git environment hasn't been setup");
|
|
return the_repository->graft_file;
|
|
}
|
|
|
|
static void set_git_dir_1(const char *path)
|
|
{
|
|
if (setenv(GIT_DIR_ENVIRONMENT, path, 1))
|
|
die("could not set GIT_DIR to '%s'", path);
|
|
setup_git_env(path);
|
|
}
|
|
|
|
static void update_relative_gitdir(const char *name,
|
|
const char *old_cwd,
|
|
const char *new_cwd,
|
|
void *data)
|
|
{
|
|
char *path = reparent_relative_path(old_cwd, new_cwd, get_git_dir());
|
|
trace_printf_key(&trace_setup_key,
|
|
"setup: move $GIT_DIR to '%s'",
|
|
path);
|
|
set_git_dir_1(path);
|
|
free(path);
|
|
}
|
|
|
|
void set_git_dir(const char *path)
|
|
{
|
|
set_git_dir_1(path);
|
|
if (!is_absolute_path(path))
|
|
chdir_notify_register(NULL, update_relative_gitdir, NULL);
|
|
}
|
|
|
|
const char *get_log_output_encoding(void)
|
|
{
|
|
return git_log_output_encoding ? git_log_output_encoding
|
|
: get_commit_output_encoding();
|
|
}
|
|
|
|
const char *get_commit_output_encoding(void)
|
|
{
|
|
return git_commit_encoding ? git_commit_encoding : "UTF-8";
|
|
}
|
|
|
|
static int the_shared_repository = PERM_UMASK;
|
|
static int need_shared_repository_from_config = 1;
|
|
|
|
void set_shared_repository(int value)
|
|
{
|
|
the_shared_repository = value;
|
|
need_shared_repository_from_config = 0;
|
|
}
|
|
|
|
int get_shared_repository(void)
|
|
{
|
|
if (need_shared_repository_from_config) {
|
|
const char *var = "core.sharedrepository";
|
|
const char *value;
|
|
if (!git_config_get_value(var, &value))
|
|
the_shared_repository = git_config_perm(var, value);
|
|
need_shared_repository_from_config = 0;
|
|
}
|
|
return the_shared_repository;
|
|
}
|
|
|
|
void reset_shared_repository(void)
|
|
{
|
|
need_shared_repository_from_config = 1;
|
|
}
|
|
|
|
int use_optional_locks(void)
|
|
{
|
|
return git_env_bool(GIT_OPTIONAL_LOCKS_ENVIRONMENT, 1);
|
|
}
|
|
|
|
int print_sha1_ellipsis(void)
|
|
{
|
|
/*
|
|
* Determine if the calling environment contains the variable
|
|
* GIT_PRINT_SHA1_ELLIPSIS set to "yes".
|
|
*/
|
|
static int cached_result = -1; /* unknown */
|
|
|
|
if (cached_result < 0) {
|
|
const char *v = getenv("GIT_PRINT_SHA1_ELLIPSIS");
|
|
cached_result = (v && !strcasecmp(v, "yes"));
|
|
}
|
|
return cached_result;
|
|
}
|