diff options
Diffstat (limited to 'environment.c')
| -rw-r--r-- | environment.c | 42 |
1 files changed, 36 insertions, 6 deletions
diff --git a/environment.c b/environment.c index a40044c3bf..a533aed630 100644 --- a/environment.c +++ b/environment.c @@ -47,6 +47,7 @@ const char *askpass_program; const char *excludes_file; enum auto_crlf auto_crlf = AUTO_CRLF_FALSE; int check_replace_refs = 1; +char *git_replace_ref_base; enum eol core_eol = EOL_UNSET; enum safe_crlf safe_crlf = SAFE_CRLF_WARN; unsigned whitespace_rule_cfg = WS_DEFAULT_RULE; @@ -92,8 +93,9 @@ static char *work_tree; static const char *namespace; static size_t namespace_len; -static const char *git_dir; +static const char *git_dir, *git_common_dir; static char *git_object_dir, *git_index_file, *git_graft_file; +int git_db_env, git_index_env, git_graft_env, git_common_dir_env; /* * Repository-local GIT_* environment variables; see cache.h for details. @@ -109,8 +111,10 @@ const char * const local_repo_env[] = { GRAFT_ENVIRONMENT, INDEX_ENVIRONMENT, NO_REPLACE_OBJECTS_ENVIRONMENT, + GIT_REPLACE_REF_BASE_ENVIRONMENT, GIT_PREFIX_ENVIRONMENT, GIT_SHALLOW_FILE_ENVIRONMENT, + GIT_COMMON_DIR_ENVIRONMENT, NULL }; @@ -135,27 +139,46 @@ static char *expand_namespace(const char *raw_namespace) return strbuf_detach(&buf, NULL); } -static char *git_path_from_env(const char *envvar, const char *path) +static char *git_path_from_env(const char *envvar, const char *git_dir, + const char *path, int *fromenv) { const char *value = getenv(envvar); - return value ? xstrdup(value) : git_pathdup("%s", path); + if (!value) { + char *buf = xmalloc(strlen(git_dir) + strlen(path) + 2); + sprintf(buf, "%s/%s", git_dir, path); + return buf; + } + if (fromenv) + *fromenv = 1; + return xstrdup(value); } static void setup_git_env(void) { + struct strbuf sb = STRBUF_INIT; const char *gitfile; const char *shallow_file; + const char *replace_ref_base; git_dir = getenv(GIT_DIR_ENVIRONMENT); if (!git_dir) git_dir = DEFAULT_GIT_DIR_ENVIRONMENT; gitfile = read_gitfile(git_dir); git_dir = xstrdup(gitfile ? gitfile : git_dir); - git_object_dir = git_path_from_env(DB_ENVIRONMENT, "objects"); - git_index_file = git_path_from_env(INDEX_ENVIRONMENT, "index"); - git_graft_file = git_path_from_env(GRAFT_ENVIRONMENT, "info/grafts"); + if (get_common_dir(&sb, git_dir)) + git_common_dir_env = 1; + git_common_dir = strbuf_detach(&sb, NULL); + git_object_dir = git_path_from_env(DB_ENVIRONMENT, git_common_dir, + "objects", &git_db_env); + git_index_file = git_path_from_env(INDEX_ENVIRONMENT, git_dir, + "index", &git_index_env); + git_graft_file = git_path_from_env(GRAFT_ENVIRONMENT, git_common_dir, + "info/grafts", &git_graft_env); if (getenv(NO_REPLACE_OBJECTS_ENVIRONMENT)) check_replace_refs = 0; + replace_ref_base = getenv(GIT_REPLACE_REF_BASE_ENVIRONMENT); + git_replace_ref_base = xstrdup(replace_ref_base ? replace_ref_base + : "refs/replace/"); namespace = expand_namespace(getenv(GIT_NAMESPACE_ENVIRONMENT)); namespace_len = strlen(namespace); shallow_file = getenv(GIT_SHALLOW_FILE_ENVIRONMENT); @@ -176,6 +199,11 @@ const char *get_git_dir(void) return git_dir; } +const char *get_git_common_dir(void) +{ + return git_common_dir; +} + const char *get_git_namespace(void) { if (!namespace) @@ -209,6 +237,8 @@ void set_git_work_tree(const char *new_work_tree) } git_work_tree_initialized = 1; work_tree = xstrdup(real_path(new_work_tree)); + if (setenv(GIT_WORK_TREE_ENVIRONMENT, work_tree, 1)) + die("could not set GIT_WORK_TREE to '%s'", work_tree); } const char *get_git_work_tree(void) |