2 * "git mv" builtin command
4 * Copyright (C) 2006 Johannes Schindelin
11 #include "cache-tree.h"
12 #include "path-list.h"
14 static const char builtin_mv_usage
[] =
15 "git-mv [-n] [-f] (<source> <destination> | [-k] <source>... <destination>)";
17 static const char **copy_pathspec(const char *prefix
, const char **pathspec
,
18 int count
, int base_name
)
21 const char **result
= xmalloc((count
+ 1) * sizeof(const char *));
22 memcpy(result
, pathspec
, count
* sizeof(const char *));
24 for (i
= 0; i
< count
; i
++) {
25 int length
= strlen(result
[i
]);
26 if (length
> 0 && result
[i
][length
- 1] == '/') {
27 char *without_slash
= xmalloc(length
);
28 memcpy(without_slash
, result
[i
], length
- 1);
29 without_slash
[length
] = '\0';
30 result
[i
] = without_slash
;
33 const char *last_slash
= strrchr(result
[i
], '/');
35 result
[i
] = last_slash
+ 1;
38 return get_pathspec(prefix
, result
);
41 static void show_list(const char *label
, struct path_list
*list
)
46 for (i
= 0; i
< list
->nr
; i
++)
47 printf("%s%s", i
> 0 ? ", " : "", list
->items
[i
].path
);
52 static const char *add_slash(const char *path
)
54 int len
= strlen(path
);
55 if (path
[len
- 1] != '/') {
56 char *with_slash
= xmalloc(len
+ 2);
57 memcpy(with_slash
, path
, len
);
58 with_slash
[len
++] = '/';
65 static struct lock_file lock_file
;
67 int cmd_mv(int argc
, const char **argv
, const char *prefix
)
70 int verbose
= 0, show_only
= 0, force
= 0, ignore_errors
= 0;
71 const char **source
, **destination
, **dest_path
;
72 enum update_mode
{ BOTH
= 0, WORKING_DIRECTORY
, INDEX
} *modes
;
74 struct path_list overwritten
= {NULL
, 0, 0, 0};
75 struct path_list src_for_dst
= {NULL
, 0, 0, 0};
76 struct path_list added
= {NULL
, 0, 0, 0};
77 struct path_list deleted
= {NULL
, 0, 0, 0};
78 struct path_list changed
= {NULL
, 0, 0, 0};
80 git_config(git_default_config
);
82 newfd
= hold_lock_file_for_update(&lock_file
, get_index_file(), 1);
84 die("index file corrupt");
86 for (i
= 1; i
< argc
; i
++) {
87 const char *arg
= argv
[i
];
91 if (!strcmp(arg
, "--")) {
95 if (!strcmp(arg
, "-n")) {
99 if (!strcmp(arg
, "-f")) {
103 if (!strcmp(arg
, "-k")) {
107 usage(builtin_mv_usage
);
109 count
= argc
- i
- 1;
111 usage(builtin_mv_usage
);
113 source
= copy_pathspec(prefix
, argv
+ i
, count
, 0);
114 modes
= xcalloc(count
, sizeof(enum update_mode
));
115 dest_path
= copy_pathspec(prefix
, argv
+ argc
- 1, 1, 0);
117 if (dest_path
[0][0] == '\0')
118 /* special case: "." was normalized to "" */
119 destination
= copy_pathspec(dest_path
[0], argv
+ i
, count
, 1);
120 else if (!lstat(dest_path
[0], &st
) &&
121 S_ISDIR(st
.st_mode
)) {
122 dest_path
[0] = add_slash(dest_path
[0]);
123 destination
= copy_pathspec(dest_path
[0], argv
+ i
, count
, 1);
126 usage(builtin_mv_usage
);
127 destination
= dest_path
;
131 for (i
= 0; i
< count
; i
++) {
133 const char *bad
= NULL
;
136 printf("Checking rename of '%s' to '%s'\n",
137 source
[i
], destination
[i
]);
139 if (lstat(source
[i
], &st
) < 0)
143 (length
= strlen(source
[i
])) >= 0 &&
144 !strncmp(destination
[i
], source
[i
], length
) &&
145 (destination
[i
][length
] == 0 || destination
[i
][length
] == '/'))
146 bad
= "can not move directory into itself";
148 if (S_ISDIR(st
.st_mode
)) {
149 const char *dir
= source
[i
], *dest_dir
= destination
[i
];
150 int first
, last
, len
= strlen(dir
);
152 if (lstat(dest_dir
, &st
) == 0) {
153 bad
= "cannot move directory over file";
157 modes
[i
] = WORKING_DIRECTORY
;
159 first
= cache_name_pos(source
[i
], len
);
161 die ("Huh? %s/ is in index?", dir
);
164 for (last
= first
; last
< active_nr
; last
++) {
165 const char *path
= active_cache
[last
]->name
;
166 if (strncmp(path
, dir
, len
) || path
[len
] != '/')
170 if (last
- first
< 1)
171 bad
= "source directory is empty";
173 int j
, dst_len
= strlen(dest_dir
);
175 if (last
- first
> 0) {
176 source
= realloc(source
,
177 (count
+ last
- first
)
179 destination
= realloc(destination
,
180 (count
+ last
- first
)
182 modes
= realloc(modes
,
183 (count
+ last
- first
)
184 * sizeof(enum update_mode
));
187 dest_dir
= add_slash(dest_dir
);
189 for (j
= 0; j
< last
- first
; j
++) {
191 active_cache
[first
+ j
]->name
;
192 source
[count
+ j
] = path
;
193 destination
[count
+ j
] =
194 prefix_path(dest_dir
, dst_len
,
196 modes
[count
+ j
] = INDEX
;
198 count
+= last
- first
;
204 if (!bad
&& lstat(destination
[i
], &st
) == 0) {
205 bad
= "destination exists";
208 * only files can overwrite each other:
209 * check both source and destination
211 if (S_ISREG(st
.st_mode
)) {
212 fprintf(stderr
, "Warning: %s;"
213 " will overwrite!\n",
216 path_list_insert(destination
[i
],
219 bad
= "Cannot overwrite";
223 if (!bad
&& cache_name_pos(source
[i
], strlen(source
[i
])) < 0)
224 bad
= "not under version control";
227 if (path_list_has_path(&src_for_dst
, destination
[i
]))
228 bad
= "multiple sources for the same target";
230 path_list_insert(destination
[i
], &src_for_dst
);
237 memmove(source
+ i
, source
+ i
+ 1,
238 (count
- i
) * sizeof(char *));
239 memmove(destination
+ i
,
241 (count
- i
) * sizeof(char *));
244 die ("%s, source=%s, destination=%s",
245 bad
, source
[i
], destination
[i
]);
249 for (i
= 0; i
< count
; i
++) {
250 if (show_only
|| verbose
)
251 printf("Renaming %s to %s\n",
252 source
[i
], destination
[i
]);
253 if (!show_only
&& modes
[i
] != INDEX
&&
254 rename(source
[i
], destination
[i
]) < 0 &&
256 die ("renaming %s failed: %s",
257 source
[i
], strerror(errno
));
259 if (modes
[i
] == WORKING_DIRECTORY
)
262 if (cache_name_pos(source
[i
], strlen(source
[i
])) >= 0) {
263 path_list_insert(source
[i
], &deleted
);
265 /* destination can be a directory with 1 file inside */
266 if (path_list_has_path(&overwritten
, destination
[i
]))
267 path_list_insert(destination
[i
], &changed
);
269 path_list_insert(destination
[i
], &added
);
271 path_list_insert(destination
[i
], &added
);
275 show_list("Changed : ", &changed
);
276 show_list("Adding : ", &added
);
277 show_list("Deleting : ", &deleted
);
279 for (i
= 0; i
< changed
.nr
; i
++) {
280 const char *path
= changed
.items
[i
].path
;
281 int i
= cache_name_pos(path
, strlen(path
));
282 struct cache_entry
*ce
= active_cache
[i
];
285 die ("Huh? Cache entry for %s unknown?", path
);
286 refresh_cache_entry(ce
, 0);
289 for (i
= 0; i
< added
.nr
; i
++) {
290 const char *path
= added
.items
[i
].path
;
291 add_file_to_index(path
, verbose
);
294 for (i
= 0; i
< deleted
.nr
; i
++) {
295 const char *path
= deleted
.items
[i
].path
;
296 remove_file_from_cache(path
);
299 if (active_cache_changed
) {
300 if (write_cache(newfd
, active_cache
, active_nr
) ||
302 commit_lock_file(&lock_file
))
303 die("Unable to write new index file");