diff options
Diffstat (limited to 'environment.c')
| -rw-r--r-- | environment.c | 169 |
1 files changed, 141 insertions, 28 deletions
diff --git a/environment.c b/environment.c index 801a005ef1..85edd7f95a 100644 --- a/environment.c +++ b/environment.c @@ -8,13 +8,13 @@ * are. */ #include "cache.h" +#include "refs.h" +#include "fmt-merge-msg.h" -char git_default_email[MAX_GITNAME]; -char git_default_name[MAX_GITNAME]; -int user_ident_explicitly_given; int trust_executable_bit = 1; int trust_ctime = 1; int has_symlinks = 1; +int minimum_abbrev = 4, default_abbrev = 7; int ignore_case; int assume_unchanged; int prefer_symlink_refs; @@ -26,6 +26,8 @@ const char *git_commit_encoding; const char *git_log_output_encoding; int shared_repository = PERM_UMASK; const char *apply_default_whitespace; +const char *apply_default_ignorewhitespace; +const char *git_attributes_file; int zlib_compression_level = Z_BEST_SPEED; int core_compression_level; int core_compression_seen; @@ -33,11 +35,16 @@ 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 = 16 * 1024 * 1024; +unsigned long big_file_threshold = 512 * 1024 * 1024; +const char *log_pack_access; const char *pager_program; int pager_use_color = 1; const char *editor_program; +const char *askpass_program; const char *excludes_file; -int auto_crlf = 0; /* 1: both ways, -1: only when adding git objects */ +enum auto_crlf auto_crlf = AUTO_CRLF_FALSE; +int read_replace_refs = 1; /* NEEDSWORK: rename to use_replace_refs */ +enum eol core_eol = EOL_UNSET; enum safe_crlf safe_crlf = SAFE_CRLF_WARN; unsigned whitespace_rule_cfg = WS_DEFAULT_RULE; enum branch_track git_branch_track = BRANCH_TRACK_REMOTE; @@ -47,6 +54,13 @@ enum push_default_type push_default = PUSH_DEFAULT_UNSPECIFIED; #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_apply_sparse_checkout; +int merge_log_config = -1; +int precomposed_unicode = -1; /* see probe_utf8_pathname_composition() */ +struct startup_info *startup_info; +unsigned long pack_size_limit_cfg; /* Parallel index stat data preload? */ int core_preload_index = 0; @@ -55,14 +69,59 @@ int core_preload_index = 0; char *git_work_tree_cfg; static char *work_tree; +static const char *namespace; +static size_t namespace_len; + static const char *git_dir; -static char *git_object_dir, *git_index_file, *git_refs_dir, *git_graft_file; +static char *git_object_dir, *git_index_file, *git_graft_file; + +/* + * Repository-local GIT_* environment variables + * Remember to update local_repo_env_size in cache.h when + * the size of the list changes + */ +const char * const local_repo_env[LOCAL_REPO_ENV_SIZE + 1] = { + ALTERNATE_DB_ENVIRONMENT, + CONFIG_ENVIRONMENT, + CONFIG_DATA_ENVIRONMENT, + DB_ENVIRONMENT, + GIT_DIR_ENVIRONMENT, + GIT_WORK_TREE_ENVIRONMENT, + GRAFT_ENVIRONMENT, + INDEX_ENVIRONMENT, + NO_REPLACE_OBJECTS_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); +} static void setup_git_env(void) { git_dir = getenv(GIT_DIR_ENVIRONMENT); - if (!git_dir) - git_dir = read_gitfile_gently(DEFAULT_GIT_DIR_ENVIRONMENT); + git_dir = git_dir ? xstrdup(git_dir) : NULL; + if (!git_dir) { + git_dir = read_gitfile(DEFAULT_GIT_DIR_ENVIRONMENT); + git_dir = git_dir ? xstrdup(git_dir) : NULL; + } if (!git_dir) git_dir = DEFAULT_GIT_DIR_ENVIRONMENT; git_object_dir = getenv(DB_ENVIRONMENT); @@ -70,8 +129,6 @@ static void setup_git_env(void) 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); @@ -80,6 +137,10 @@ static void setup_git_env(void) git_graft_file = getenv(GRAFT_ENVIRONMENT); if (!git_graft_file) git_graft_file = git_pathdup("info/grafts"); + if (getenv(NO_REPLACE_OBJECTS_ENVIRONMENT)) + read_replace_refs = 0; + namespace = expand_namespace(getenv(GIT_NAMESPACE_ENVIRONMENT)); + namespace_len = strlen(namespace); } int is_bare_repository(void) @@ -100,6 +161,20 @@ const char *get_git_dir(void) return git_dir; } +const char *get_git_namespace(void) +{ + if (!namespace) + setup_git_env(); + return namespace; +} + +const char *strip_namespace(const char *namespaced_ref) +{ + if (prefixcmp(namespaced_ref, get_git_namespace()) != 0) + return NULL; + return namespaced_ref + namespace_len; +} + static int git_work_tree_initialized; /* @@ -109,30 +184,20 @@ static int git_work_tree_initialized; */ void set_git_work_tree(const char *new_work_tree) { - if (is_bare_repository_cfg >= 0) - die("cannot set work tree after initialization"); + if (git_work_tree_initialized) { + new_work_tree = real_path(new_work_tree); + if (strcmp(new_work_tree, work_tree)) + die("internal error: work tree has already been set\n" + "Current worktree: %s\nNew worktree: %s", + work_tree, new_work_tree); + return; + } git_work_tree_initialized = 1; - free(work_tree); - work_tree = xstrdup(make_absolute_path(new_work_tree)); - is_bare_repository_cfg = 0; + work_tree = xstrdup(real_path(new_work_tree)); } const char *get_git_work_tree(void) { - if (!git_work_tree_initialized) { - work_tree = getenv(GIT_WORK_TREE_ENVIRONMENT); - /* core.bare = true overrides implicit and config work tree */ - if (!work_tree && is_bare_repository_cfg < 1) { - work_tree = git_work_tree_cfg; - /* make_absolute_path also normalizes the path */ - if (work_tree && !is_absolute_path(work_tree)) - work_tree = xstrdup(make_absolute_path(git_path("%s", work_tree))); - } else if (work_tree) - work_tree = xstrdup(make_absolute_path(work_tree)); - git_work_tree_initialized = 1; - if (work_tree) - is_bare_repository_cfg = 0; - } return work_tree; } @@ -143,6 +208,43 @@ char *get_object_directory(void) return git_object_dir; } +int odb_mkstemp(char *template, size_t limit, 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; + snprintf(template, limit, "%s/%s", + get_object_directory(), pattern); + fd = git_mkstemp_mode(template, mode); + if (0 <= fd) + return fd; + + /* slow path */ + /* some mkstemp implementations erase template on failure */ + snprintf(template, limit, "%s/%s", + get_object_directory(), pattern); + safe_create_leading_directories(template); + return xmkstemp_mode(template, mode); +} + +int odb_pack_keep(char *name, size_t namesz, unsigned char *sha1) +{ + int fd; + + snprintf(name, namesz, "%s/pack/pack-%s.keep", + get_object_directory(), sha1_to_hex(sha1)); + fd = open(name, O_RDWR|O_CREAT|O_EXCL, 0600); + if (0 <= fd) + return fd; + + /* slow path */ + safe_create_leading_directories(name); + return open(name, O_RDWR|O_CREAT|O_EXCL, 0600); +} + char *get_index_file(void) { if (!git_index_file) @@ -164,3 +266,14 @@ int set_git_dir(const char *path) setup_git_env(); return 0; } + +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"; +} |