1 files changed, 232 insertions, 0 deletions
diff --git a/environment.h b/environment.h
new file mode 100644
index 0000000..e5351c9
--- /dev/null
+++ b/environment.h
@@ -0,0 +1,232 @@
+#ifndef ENVIRONMENT_H
+#define ENVIRONMENT_H
+
+struct repository;
+struct strvec;
+
+/*
+ * The character that begins a commented line in user-editable file
+ * that is subject to stripspace.
+ */
+extern char comment_line_char;
+extern int auto_comment_line_char;
+
+/*
+ * Wrapper of getenv() that returns a strdup value. This value is kept
+ * in argv to be freed later.
+ */
+const char *getenv_safe(struct strvec *argv, const char *name);
+
+/* Double-check local_repo_env below if you add to this list. */
+#define GIT_DIR_ENVIRONMENT "GIT_DIR"
+#define GIT_COMMON_DIR_ENVIRONMENT "GIT_COMMON_DIR"
+#define GIT_NAMESPACE_ENVIRONMENT "GIT_NAMESPACE"
+#define GIT_WORK_TREE_ENVIRONMENT "GIT_WORK_TREE"
+#define GIT_PREFIX_ENVIRONMENT "GIT_PREFIX"
+#define DEFAULT_GIT_DIR_ENVIRONMENT ".git"
+#define DB_ENVIRONMENT "GIT_OBJECT_DIRECTORY"
+#define INDEX_ENVIRONMENT "GIT_INDEX_FILE"
+#define GRAFT_ENVIRONMENT "GIT_GRAFT_FILE"
+#define GIT_SHALLOW_FILE_ENVIRONMENT "GIT_SHALLOW_FILE"
+#define TEMPLATE_DIR_ENVIRONMENT "GIT_TEMPLATE_DIR"
+#define CONFIG_ENVIRONMENT "GIT_CONFIG"
+#define CONFIG_DATA_ENVIRONMENT "GIT_CONFIG_PARAMETERS"
+#define CONFIG_COUNT_ENVIRONMENT "GIT_CONFIG_COUNT"
+#define EXEC_PATH_ENVIRONMENT "GIT_EXEC_PATH"
+#define CEILING_DIRECTORIES_ENVIRONMENT "GIT_CEILING_DIRECTORIES"
+#define NO_REPLACE_OBJECTS_ENVIRONMENT "GIT_NO_REPLACE_OBJECTS"
+#define GIT_REPLACE_REF_BASE_ENVIRONMENT "GIT_REPLACE_REF_BASE"
+#define GITATTRIBUTES_FILE ".gitattributes"
+#define INFOATTRIBUTES_FILE "info/attributes"
+#define ATTRIBUTE_MACRO_PREFIX "[attr]"
+#define GITMODULES_FILE ".gitmodules"
+#define GITMODULES_INDEX ":.gitmodules"
+#define GITMODULES_HEAD "HEAD:.gitmodules"
+#define GIT_NOTES_REF_ENVIRONMENT "GIT_NOTES_REF"
+#define GIT_NOTES_DEFAULT_REF "refs/notes/commits"
+#define GIT_NOTES_DISPLAY_REF_ENVIRONMENT "GIT_NOTES_DISPLAY_REF"
+#define GIT_NOTES_REWRITE_REF_ENVIRONMENT "GIT_NOTES_REWRITE_REF"
+#define GIT_NOTES_REWRITE_MODE_ENVIRONMENT "GIT_NOTES_REWRITE_MODE"
+#define GIT_LITERAL_PATHSPECS_ENVIRONMENT "GIT_LITERAL_PATHSPECS"
+#define GIT_GLOB_PATHSPECS_ENVIRONMENT "GIT_GLOB_PATHSPECS"
+#define GIT_NOGLOB_PATHSPECS_ENVIRONMENT "GIT_NOGLOB_PATHSPECS"
+#define GIT_ICASE_PATHSPECS_ENVIRONMENT "GIT_ICASE_PATHSPECS"
+#define GIT_QUARANTINE_ENVIRONMENT "GIT_QUARANTINE_PATH"
+#define GIT_OPTIONAL_LOCKS_ENVIRONMENT "GIT_OPTIONAL_LOCKS"
+#define GIT_TEXT_DOMAIN_DIR_ENVIRONMENT "GIT_TEXTDOMAINDIR"
+#define GIT_ATTR_SOURCE_ENVIRONMENT "GIT_ATTR_SOURCE"
+
+/*
+ * Environment variable used in handshaking the wire protocol.
+ * Contains a colon ':' separated list of keys with optional values
+ * 'key[=value]'.  Presence of unknown keys and values must be
+ * ignored.
+ */
+#define GIT_PROTOCOL_ENVIRONMENT "GIT_PROTOCOL"
+/* HTTP header used to handshake the wire protocol */
+#define GIT_PROTOCOL_HEADER "Git-Protocol"
+
+/*
+ * This environment variable is expected to contain a boolean indicating
+ * whether we should or should not treat:
+ *
+ *   GIT_DIR=foo.git git ...
+ *
+ * as if GIT_WORK_TREE=. was given. It's not expected that users will make use
+ * of this, but we use it internally to communicate to sub-processes that we
+ * are in a bare repo. If not set, defaults to true.
+ */
+#define GIT_IMPLICIT_WORK_TREE_ENVIRONMENT "GIT_IMPLICIT_WORK_TREE"
+
+/*
+ * Repository-local GIT_* environment variables; these will be cleared
+ * when git spawns a sub-process that runs inside another repository.
+ * The array is NULL-terminated, which makes it easy to pass in the "env"
+ * parameter of a run-command invocation, or to do a simple walk.
+ */
+extern const char * const local_repo_env[];
+
+void setup_git_env(const char *git_dir);
+
+/*
+ * Returns true iff we have a configured git repository (either via
+ * setup_git_directory, or in the environment via $GIT_DIR).
+ */
+int have_git_dir(void);
+
+extern int is_bare_repository_cfg;
+int is_bare_repository(void);
+extern char *git_work_tree_cfg;
+const char *get_git_dir(void);
+const char *get_git_common_dir(void);
+const char *get_object_directory(void);
+char *get_index_file(void);
+char *get_graft_file(struct repository *r);
+void set_git_dir(const char *path, int make_realpath);
+const char *get_git_namespace(void);
+const char *strip_namespace(const char *namespaced_ref);
+const char *get_git_work_tree(void);
+void set_git_work_tree(const char *tree);
+
+#define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES"
+
+/* Environment bits from configuration mechanism */
+extern int trust_executable_bit;
+extern int trust_ctime;
+extern int check_stat;
+extern int has_symlinks;
+extern int minimum_abbrev, default_abbrev;
+extern int ignore_case;
+extern int assume_unchanged;
+extern int prefer_symlink_refs;
+extern int warn_ambiguous_refs;
+extern int warn_on_object_refname_ambiguity;
+extern char *apply_default_whitespace;
+extern char *apply_default_ignorewhitespace;
+extern const char *git_attributes_file;
+extern const char *git_hooks_path;
+extern int zlib_compression_level;
+extern int pack_compression_level;
+extern size_t packed_git_window_size;
+extern size_t packed_git_limit;
+extern size_t delta_base_cache_limit;
+extern unsigned long big_file_threshold;
+extern unsigned long pack_size_limit_cfg;
+extern int max_allowed_tree_depth;
+
+/*
+ * Accessors for the core.sharedrepository config which lazy-load the value
+ * from the config (if not already set). The "reset" function can be
+ * used to unset "set" or cached value, meaning that the value will be loaded
+ * fresh from the config file on the next call to get_shared_repository().
+ */
+void set_shared_repository(int value);
+int get_shared_repository(void);
+void reset_shared_repository(void);
+
+extern int core_preload_index;
+extern int precomposed_unicode;
+extern int protect_hfs;
+extern int protect_ntfs;
+
+extern int core_apply_sparse_checkout;
+extern int core_sparse_checkout_cone;
+extern int sparse_expect_files_outside_of_patterns;
+
+/*
+ * Returns the boolean value of $GIT_OPTIONAL_LOCKS (or the default value).
+ */
+int use_optional_locks(void);
+
+enum log_refs_config {
+	LOG_REFS_UNSET = -1,
+	LOG_REFS_NONE = 0,
+	LOG_REFS_NORMAL,
+	LOG_REFS_ALWAYS
+};
+extern enum log_refs_config log_all_ref_updates;
+
+enum rebase_setup_type {
+	AUTOREBASE_NEVER = 0,
+	AUTOREBASE_LOCAL,
+	AUTOREBASE_REMOTE,
+	AUTOREBASE_ALWAYS
+};
+
+enum push_default_type {
+	PUSH_DEFAULT_NOTHING = 0,
+	PUSH_DEFAULT_MATCHING,
+	PUSH_DEFAULT_SIMPLE,
+	PUSH_DEFAULT_UPSTREAM,
+	PUSH_DEFAULT_CURRENT,
+	PUSH_DEFAULT_UNSPECIFIED
+};
+
+extern enum rebase_setup_type autorebase;
+extern enum push_default_type push_default;
+
+enum object_creation_mode {
+	OBJECT_CREATION_USES_HARDLINKS = 0,
+	OBJECT_CREATION_USES_RENAMES = 1
+};
+
+extern enum object_creation_mode object_creation_mode;
+
+extern char *notes_ref_name;
+
+extern int grafts_keep_true_parents;
+
+extern int repository_format_precious_objects;
+
+/*
+ * Create a temporary file rooted in the object database directory, or
+ * die on failure. The filename is taken from "pattern", which should have the
+ * usual "XXXXXX" trailer, and the resulting filename is written into the
+ * "template" buffer. Returns the open descriptor.
+ */
+int odb_mkstemp(struct strbuf *temp_filename, const char *pattern);
+
+/*
+ * Create a pack .keep file named "name" (which should generally be the output
+ * of odb_pack_name). Returns a file descriptor opened for writing, or -1 on
+ * error.
+ */
+int odb_pack_keep(const char *name);
+
+const char *get_log_output_encoding(void);
+const char *get_commit_output_encoding(void);
+
+extern const char *git_commit_encoding;
+extern const char *git_log_output_encoding;
+
+extern const char *editor_program;
+extern const char *askpass_program;
+extern const char *excludes_file;
+
+/*
+ * Should we print an ellipsis after an abbreviated SHA-1 value
+ * when doing diff-raw output or indicating a detached HEAD?
+ */
+int print_sha1_ellipsis(void);
+
+#endif