Adding upstream version 1:2.43.0.upstream/1%2.43.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 206 insertions, 0 deletions

diff --git a/setup.h b/setup.h
new file mode 100644
index 0000000..b48cf1c
--- /dev/null
+++ b/setup.h
@@ -0,0 +1,206 @@
+#ifndef SETUP_H
+#define SETUP_H
+
+#include "string-list.h"
+
+int is_inside_git_dir(void);
+int is_inside_work_tree(void);
+int get_common_dir_noenv(struct strbuf *sb, const char *gitdir);
+int get_common_dir(struct strbuf *sb, const char *gitdir);
+
+/*
+ * Return true if the given path is a git directory; note that this _just_
+ * looks at the directory itself. If you want to know whether "foo/.git"
+ * is a repository, you must feed that path, not just "foo".
+ */
+int is_git_directory(const char *path);
+
+/*
+ * Return 1 if the given path is the root of a git repository or
+ * submodule, else 0. Will not return 1 for bare repositories with the
+ * exception of creating a bare repository in "foo/.git" and calling
+ * is_git_repository("foo").
+ *
+ * If we run into read errors, we err on the side of saying "yes, it is",
+ * as we usually consider sub-repos precious, and would prefer to err on the
+ * side of not disrupting or deleting them.
+ */
+int is_nonbare_repository_dir(struct strbuf *path);
+
+#define READ_GITFILE_ERR_STAT_FAILED 1
+#define READ_GITFILE_ERR_NOT_A_FILE 2
+#define READ_GITFILE_ERR_OPEN_FAILED 3
+#define READ_GITFILE_ERR_READ_FAILED 4
+#define READ_GITFILE_ERR_INVALID_FORMAT 5
+#define READ_GITFILE_ERR_NO_PATH 6
+#define READ_GITFILE_ERR_NOT_A_REPO 7
+#define READ_GITFILE_ERR_TOO_LARGE 8
+void read_gitfile_error_die(int error_code, const char *path, const char *dir);
+const char *read_gitfile_gently(const char *path, int *return_error_code);
+#define read_gitfile(path) read_gitfile_gently((path), NULL)
+const char *resolve_gitdir_gently(const char *suspect, int *return_error_code);
+#define resolve_gitdir(path) resolve_gitdir_gently((path), NULL)
+
+void setup_work_tree(void);
+
+/*
+ * discover_git_directory_reason() is similar to discover_git_directory(),
+ * except it returns an enum value instead. It is important to note that
+ * a zero-valued return here is actually GIT_DIR_NONE, which is different
+ * from discover_git_directory.
+ */
+enum discovery_result {
+	GIT_DIR_EXPLICIT = 1,
+	GIT_DIR_DISCOVERED = 2,
+	GIT_DIR_BARE = 3,
+	/* these are errors */
+	GIT_DIR_HIT_CEILING = -1,
+	GIT_DIR_HIT_MOUNT_POINT = -2,
+	GIT_DIR_INVALID_GITFILE = -3,
+	GIT_DIR_INVALID_OWNERSHIP = -4,
+	GIT_DIR_DISALLOWED_BARE = -5,
+	GIT_DIR_INVALID_FORMAT = -6,
+	GIT_DIR_CWD_FAILURE = -7,
+};
+enum discovery_result discover_git_directory_reason(struct strbuf *commondir,
+						    struct strbuf *gitdir);
+
+/*
+ * Find the commondir and gitdir of the repository that contains the current
+ * working directory, without changing the working directory or other global
+ * state. The result is appended to commondir and gitdir.  If the discovered
+ * gitdir does not correspond to a worktree, then 'commondir' and 'gitdir' will
+ * both have the same result appended to the buffer.  The return value is
+ * either 0 upon success and -1 if no repository was found.
+ */
+static inline int discover_git_directory(struct strbuf *commondir,
+					 struct strbuf *gitdir)
+{
+	if (discover_git_directory_reason(commondir, gitdir) <= 0)
+		return -1;
+	return 0;
+}
+
+const char *setup_git_directory_gently(int *);
+const char *setup_git_directory(void);
+char *prefix_path(const char *prefix, int len, const char *path);
+char *prefix_path_gently(const char *prefix, int len, int *remaining, const char *path);
+
+int check_filename(const char *prefix, const char *name);
+void verify_filename(const char *prefix,
+		     const char *name,
+		     int diagnose_misspelt_rev);
+void verify_non_filename(const char *prefix, const char *name);
+int path_inside_repo(const char *prefix, const char *path);
+
+void sanitize_stdfds(void);
+int daemonize(void);
+
+/*
+ * GIT_REPO_VERSION is the version we write by default. The
+ * _READ variant is the highest number we know how to
+ * handle.
+ */
+#define GIT_REPO_VERSION 0
+#define GIT_REPO_VERSION_READ 1
+
+/*
+ * You _have_ to initialize a `struct repository_format` using
+ * `= REPOSITORY_FORMAT_INIT` before calling `read_repository_format()`.
+ */
+struct repository_format {
+	int version;
+	int precious_objects;
+	char *partial_clone; /* value of extensions.partialclone */
+	int worktree_config;
+	int is_bare;
+	int hash_algo;
+	int sparse_index;
+	char *work_tree;
+	struct string_list unknown_extensions;
+	struct string_list v1_only_extensions;
+};
+
+/*
+ * Always use this to initialize a `struct repository_format`
+ * to a well-defined, default state before calling
+ * `read_repository()`.
+ */
+#define REPOSITORY_FORMAT_INIT \
+{ \
+	.version = -1, \
+	.is_bare = -1, \
+	.hash_algo = GIT_HASH_SHA1, \
+	.unknown_extensions = STRING_LIST_INIT_DUP, \
+	.v1_only_extensions = STRING_LIST_INIT_DUP, \
+}
+
+/*
+ * Read the repository format characteristics from the config file "path" into
+ * "format" struct. Returns the numeric version. On error, or if no version is
+ * found in the configuration, -1 is returned, format->version is set to -1,
+ * and all other fields in the struct are set to the default configuration
+ * (REPOSITORY_FORMAT_INIT). Always initialize the struct using
+ * REPOSITORY_FORMAT_INIT before calling this function.
+ */
+int read_repository_format(struct repository_format *format, const char *path);
+
+/*
+ * Free the memory held onto by `format`, but not the struct itself.
+ * (No need to use this after `read_repository_format()` fails.)
+ */
+void clear_repository_format(struct repository_format *format);
+
+/*
+ * Verify that the repository described by repository_format is something we
+ * can read. If it is, return 0. Otherwise, return -1, and "err" will describe
+ * any errors encountered.
+ */
+int verify_repository_format(const struct repository_format *format,
+			     struct strbuf *err);
+
+/*
+ * Check the repository format version in the path found in get_git_dir(),
+ * and die if it is a version we don't understand. Generally one would
+ * set_git_dir() before calling this, and use it only for "are we in a valid
+ * repo?".
+ *
+ * If successful and fmt is not NULL, fill fmt with data.
+ */
+void check_repository_format(struct repository_format *fmt);
+
+#define INIT_DB_QUIET 0x0001
+#define INIT_DB_EXIST_OK 0x0002
+
+int init_db(const char *git_dir, const char *real_git_dir,
+	    const char *template_dir, int hash_algo,
+	    const char *initial_branch, int init_shared_repository,
+	    unsigned int flags);
+void initialize_repository_version(int hash_algo, int reinit);
+
+/*
+ * NOTE NOTE NOTE!!
+ *
+ * PERM_UMASK, OLD_PERM_GROUP and OLD_PERM_EVERYBODY enumerations must
+ * not be changed. Old repositories have core.sharedrepository written in
+ * numeric format, and therefore these values are preserved for compatibility
+ * reasons.
+ */
+enum sharedrepo {
+	PERM_UMASK          = 0,
+	OLD_PERM_GROUP      = 1,
+	OLD_PERM_EVERYBODY  = 2,
+	PERM_GROUP          = 0660,
+	PERM_EVERYBODY      = 0664
+};
+int git_config_perm(const char *var, const char *value);
+
+struct startup_info {
+	int have_repository;
+	const char *prefix;
+	const char *original_cwd;
+};
+extern struct startup_info *startup_info;
+extern const char *tmp_original_cwd;
+
+#endif /* SETUP_H */