1 files changed, 113 insertions, 0 deletions
diff --git a/src/libgit2/sysdir.h b/src/libgit2/sysdir.h
new file mode 100644
index 000000000..568f27940
--- /dev/null
+++ b/src/libgit2/sysdir.h
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) the libgit2 contributors. All rights reserved.
+ *
+ * This file is part of libgit2, distributed under the GNU GPL v2 with
+ * a Linking Exception. For full terms see the included COPYING file.
+ */
+#ifndef INCLUDE_sysdir_h__
+#define INCLUDE_sysdir_h__
+
+#include "common.h"
+
+#include "posix.h"
+#include "str.h"
+
+/**
+ * Find a "global" file (i.e. one in a user's home directory).
+ *
+ * @param path buffer to write the full path into
+ * @param filename name of file to find in the home directory
+ * @return 0 if found, GIT_ENOTFOUND if not found, or -1 on other OS error
+ */
+extern int git_sysdir_find_global_file(git_str *path, const char *filename);
+
+/**
+ * Find an "XDG" file (i.e. one in user's XDG config path).
+ *
+ * @param path buffer to write the full path into
+ * @param filename name of file to find in the home directory
+ * @return 0 if found, GIT_ENOTFOUND if not found, or -1 on other OS error
+ */
+extern int git_sysdir_find_xdg_file(git_str *path, const char *filename);
+
+/**
+ * Find a "system" file (i.e. one shared for all users of the system).
+ *
+ * @param path buffer to write the full path into
+ * @param filename name of file to find in the home directory
+ * @return 0 if found, GIT_ENOTFOUND if not found, or -1 on other OS error
+ */
+extern int git_sysdir_find_system_file(git_str *path, const char *filename);
+
+/**
+ * Find a "ProgramData" file (i.e. one in %PROGRAMDATA%)
+ *
+ * @param path buffer to write the full path into
+ * @param filename name of file to find in the ProgramData directory
+ * @return 0 if found, GIT_ENOTFOUND if not found, or -1 on other OS error
+ */
+extern int git_sysdir_find_programdata_file(git_str *path, const char *filename);
+
+/**
+ * Find template directory.
+ *
+ * @param path buffer to write the full path into
+ * @return 0 if found, GIT_ENOTFOUND if not found, or -1 on other OS error
+ */
+extern int git_sysdir_find_template_dir(git_str *path);
+
+/**
+ * Expand the name of a "global" file (i.e. one in a user's home
+ * directory).  Unlike `find_global_file` (above), this makes no
+ * attempt to check for the existence of the file, and is useful if
+ * you want the full path regardless of existence.
+ *
+ * @param path buffer to write the full path into
+ * @param filename name of file in the home directory
+ * @return 0 on success or -1 on error
+ */
+extern int git_sysdir_expand_global_file(git_str *path, const char *filename);
+
+typedef enum {
+	GIT_SYSDIR_SYSTEM = 0,
+	GIT_SYSDIR_GLOBAL = 1,
+	GIT_SYSDIR_XDG    = 2,
+	GIT_SYSDIR_PROGRAMDATA = 3,
+	GIT_SYSDIR_TEMPLATE = 4,
+	GIT_SYSDIR__MAX   = 5
+} git_sysdir_t;
+
+/**
+ * Configures global data for configuration file search paths.
+ *
+ * @return 0 on success, <0 on failure
+ */
+extern int git_sysdir_global_init(void);
+
+/**
+ * Get the search path for global/system/xdg files
+ *
+ * @param out pointer to git_str containing search path
+ * @param which which list of paths to return
+ * @return 0 on success, <0 on failure
+ */
+extern int git_sysdir_get(const git_str **out, git_sysdir_t which);
+
+/**
+ * Set search paths for global/system/xdg files
+ *
+ * The first occurrence of the magic string "$PATH" in the new value will
+ * be replaced with the old value of the search path.
+ *
+ * @param which Which search path to modify
+ * @param paths New search path (separated by GIT_PATH_LIST_SEPARATOR)
+ * @return 0 on success, <0 on failure (allocation error)
+ */
+extern int git_sysdir_set(git_sysdir_t which, const char *paths);
+
+/**
+ * Reset search paths for global/system/xdg files.
+ */
+extern int git_sysdir_reset(void);
+
+#endif