diff options
Diffstat (limited to 'builtin-apply.c')
| -rw-r--r-- | builtin-apply.c | 39 |
1 files changed, 28 insertions, 11 deletions
diff --git a/builtin-apply.c b/builtin-apply.c index f94d0dbf48..0399743c4e 100644 --- a/builtin-apply.c +++ b/builtin-apply.c @@ -185,7 +185,7 @@ static void *read_patch_file(int fd, unsigned long *sizep) void *buffer = xmalloc(alloc); for (;;) { - int nr = alloc - size; + ssize_t nr = alloc - size; if (nr < 1024) { alloc += CHUNKSIZE; buffer = xrealloc(buffer, alloc); @@ -1468,7 +1468,7 @@ static int read_old_data(struct stat *st, const char *path, char **buf_p, unsign return error("unable to open %s", path); got = 0; for (;;) { - int ret = xread(fd, buf + got, size - got); + ssize_t ret = xread(fd, buf + got, size - got); if (ret <= 0) break; got += ret; @@ -2009,6 +2009,29 @@ static int apply_data(struct patch *patch, struct stat *st, struct cache_entry * return 0; } +static int check_to_create_blob(const char *new_name, int ok_if_exists) +{ + struct stat nst; + if (!lstat(new_name, &nst)) { + if (S_ISDIR(nst.st_mode) || ok_if_exists) + return 0; + /* + * A leading component of new_name might be a symlink + * that is going to be removed with this patch, but + * still pointing at somewhere that has the path. + * In such a case, path "new_name" does not exist as + * far as git is concerned. + */ + if (has_symlink_leading_path(new_name, NULL)) + return 0; + + return error("%s: already exists in working directory", new_name); + } + else if ((errno != ENOENT) && (errno != ENOTDIR)) + return error("%s: %s", new_name, strerror(errno)); + return 0; +} + static int check_patch(struct patch *patch, struct patch *prev_patch) { struct stat st; @@ -2095,15 +2118,9 @@ static int check_patch(struct patch *patch, struct patch *prev_patch) !ok_if_exists) return error("%s: already exists in index", new_name); if (!cached) { - struct stat nst; - if (!lstat(new_name, &nst)) { - if (S_ISDIR(nst.st_mode) || ok_if_exists) - ; /* ok */ - else - return error("%s: already exists in working directory", new_name); - } - else if ((errno != ENOENT) && (errno != ENOTDIR)) - return error("%s: %s", new_name, strerror(errno)); + int err = check_to_create_blob(new_name, ok_if_exists); + if (err) + return err; } if (!patch->new_mode) { if (0 < patch->is_new) |