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1 | #ifndef SETUP_H |
2 | #define SETUP_H | |
3 | ||
4 | #include "string-list.h" | |
5 | ||
6 | int is_inside_git_dir(void); | |
7 | int is_inside_work_tree(void); | |
8 | int get_common_dir_noenv(struct strbuf *sb, const char *gitdir); | |
9 | int get_common_dir(struct strbuf *sb, const char *gitdir); | |
10 | ||
11 | /* | |
12 | * Return true if the given path is a git directory; note that this _just_ | |
13 | * looks at the directory itself. If you want to know whether "foo/.git" | |
14 | * is a repository, you must feed that path, not just "foo". | |
15 | */ | |
16 | int is_git_directory(const char *path); | |
17 | ||
18 | /* | |
19 | * Return 1 if the given path is the root of a git repository or | |
20 | * submodule, else 0. Will not return 1 for bare repositories with the | |
21 | * exception of creating a bare repository in "foo/.git" and calling | |
22 | * is_git_repository("foo"). | |
23 | * | |
24 | * If we run into read errors, we err on the side of saying "yes, it is", | |
25 | * as we usually consider sub-repos precious, and would prefer to err on the | |
26 | * side of not disrupting or deleting them. | |
27 | */ | |
28 | int is_nonbare_repository_dir(struct strbuf *path); | |
29 | ||
30 | #define READ_GITFILE_ERR_STAT_FAILED 1 | |
31 | #define READ_GITFILE_ERR_NOT_A_FILE 2 | |
32 | #define READ_GITFILE_ERR_OPEN_FAILED 3 | |
33 | #define READ_GITFILE_ERR_READ_FAILED 4 | |
34 | #define READ_GITFILE_ERR_INVALID_FORMAT 5 | |
35 | #define READ_GITFILE_ERR_NO_PATH 6 | |
36 | #define READ_GITFILE_ERR_NOT_A_REPO 7 | |
37 | #define READ_GITFILE_ERR_TOO_LARGE 8 | |
38 | void read_gitfile_error_die(int error_code, const char *path, const char *dir); | |
39 | const char *read_gitfile_gently(const char *path, int *return_error_code); | |
40 | #define read_gitfile(path) read_gitfile_gently((path), NULL) | |
41 | const char *resolve_gitdir_gently(const char *suspect, int *return_error_code); | |
42 | #define resolve_gitdir(path) resolve_gitdir_gently((path), NULL) | |
43 | ||
44 | void setup_work_tree(void); | |
45 | /* | |
46 | * Find the commondir and gitdir of the repository that contains the current | |
47 | * working directory, without changing the working directory or other global | |
48 | * state. The result is appended to commondir and gitdir. If the discovered | |
49 | * gitdir does not correspond to a worktree, then 'commondir' and 'gitdir' will | |
50 | * both have the same result appended to the buffer. The return value is | |
51 | * either 0 upon success and non-zero if no repository was found. | |
52 | */ | |
53 | int discover_git_directory(struct strbuf *commondir, | |
54 | struct strbuf *gitdir); | |
55 | const char *setup_git_directory_gently(int *); | |
56 | const char *setup_git_directory(void); | |
57 | char *prefix_path(const char *prefix, int len, const char *path); | |
58 | char *prefix_path_gently(const char *prefix, int len, int *remaining, const char *path); | |
59 | ||
60 | int check_filename(const char *prefix, const char *name); | |
61 | void verify_filename(const char *prefix, | |
62 | const char *name, | |
63 | int diagnose_misspelt_rev); | |
64 | void verify_non_filename(const char *prefix, const char *name); | |
65 | int path_inside_repo(const char *prefix, const char *path); | |
66 | ||
67 | void sanitize_stdfds(void); | |
68 | int daemonize(void); | |
69 | ||
70 | /* | |
71 | * GIT_REPO_VERSION is the version we write by default. The | |
72 | * _READ variant is the highest number we know how to | |
73 | * handle. | |
74 | */ | |
75 | #define GIT_REPO_VERSION 0 | |
76 | #define GIT_REPO_VERSION_READ 1 | |
77 | ||
78 | /* | |
79 | * You _have_ to initialize a `struct repository_format` using | |
80 | * `= REPOSITORY_FORMAT_INIT` before calling `read_repository_format()`. | |
81 | */ | |
82 | struct repository_format { | |
83 | int version; | |
84 | int precious_objects; | |
85 | char *partial_clone; /* value of extensions.partialclone */ | |
86 | int worktree_config; | |
87 | int is_bare; | |
88 | int hash_algo; | |
89 | int sparse_index; | |
90 | char *work_tree; | |
91 | struct string_list unknown_extensions; | |
92 | struct string_list v1_only_extensions; | |
93 | }; | |
94 | ||
95 | /* | |
96 | * Always use this to initialize a `struct repository_format` | |
97 | * to a well-defined, default state before calling | |
98 | * `read_repository()`. | |
99 | */ | |
100 | #define REPOSITORY_FORMAT_INIT \ | |
101 | { \ | |
102 | .version = -1, \ | |
103 | .is_bare = -1, \ | |
104 | .hash_algo = GIT_HASH_SHA1, \ | |
105 | .unknown_extensions = STRING_LIST_INIT_DUP, \ | |
106 | .v1_only_extensions = STRING_LIST_INIT_DUP, \ | |
107 | } | |
108 | ||
109 | /* | |
110 | * Read the repository format characteristics from the config file "path" into | |
111 | * "format" struct. Returns the numeric version. On error, or if no version is | |
112 | * found in the configuration, -1 is returned, format->version is set to -1, | |
113 | * and all other fields in the struct are set to the default configuration | |
114 | * (REPOSITORY_FORMAT_INIT). Always initialize the struct using | |
115 | * REPOSITORY_FORMAT_INIT before calling this function. | |
116 | */ | |
117 | int read_repository_format(struct repository_format *format, const char *path); | |
118 | ||
119 | /* | |
120 | * Free the memory held onto by `format`, but not the struct itself. | |
121 | * (No need to use this after `read_repository_format()` fails.) | |
122 | */ | |
123 | void clear_repository_format(struct repository_format *format); | |
124 | ||
125 | /* | |
126 | * Verify that the repository described by repository_format is something we | |
127 | * can read. If it is, return 0. Otherwise, return -1, and "err" will describe | |
128 | * any errors encountered. | |
129 | */ | |
130 | int verify_repository_format(const struct repository_format *format, | |
131 | struct strbuf *err); | |
132 | ||
133 | /* | |
134 | * Check the repository format version in the path found in get_git_dir(), | |
135 | * and die if it is a version we don't understand. Generally one would | |
136 | * set_git_dir() before calling this, and use it only for "are we in a valid | |
137 | * repo?". | |
138 | * | |
139 | * If successful and fmt is not NULL, fill fmt with data. | |
140 | */ | |
141 | void check_repository_format(struct repository_format *fmt); | |
142 | ||
143 | /* | |
144 | * NOTE NOTE NOTE!! | |
145 | * | |
146 | * PERM_UMASK, OLD_PERM_GROUP and OLD_PERM_EVERYBODY enumerations must | |
147 | * not be changed. Old repositories have core.sharedrepository written in | |
148 | * numeric format, and therefore these values are preserved for compatibility | |
149 | * reasons. | |
150 | */ | |
151 | enum sharedrepo { | |
152 | PERM_UMASK = 0, | |
153 | OLD_PERM_GROUP = 1, | |
154 | OLD_PERM_EVERYBODY = 2, | |
155 | PERM_GROUP = 0660, | |
156 | PERM_EVERYBODY = 0664 | |
157 | }; | |
158 | int git_config_perm(const char *var, const char *value); | |
159 | ||
160 | struct startup_info { | |
161 | int have_repository; | |
162 | const char *prefix; | |
163 | const char *original_cwd; | |
164 | }; | |
165 | extern struct startup_info *startup_info; | |
166 | extern const char *tmp_original_cwd; | |
167 | ||
168 | #endif /* SETUP_H */ |