diff options
Diffstat (limited to 'setup.c')
| -rw-r--r-- | setup.c | 110 |
1 files changed, 13 insertions, 97 deletions
@@ -4,92 +4,6 @@ static int inside_git_dir = -1; static int inside_work_tree = -1; -static int sanitary_path_copy(char *dst, const char *src) -{ - char *dst0; - - if (has_dos_drive_prefix(src)) { - *dst++ = *src++; - *dst++ = *src++; - } - dst0 = dst; - - if (is_dir_sep(*src)) { - *dst++ = '/'; - while (is_dir_sep(*src)) - src++; - } - - for (;;) { - char c = *src; - - /* - * A path component that begins with . could be - * special: - * (1) "." and ends -- ignore and terminate. - * (2) "./" -- ignore them, eat slash and continue. - * (3) ".." and ends -- strip one and terminate. - * (4) "../" -- strip one, eat slash and continue. - */ - if (c == '.') { - if (!src[1]) { - /* (1) */ - src++; - } else if (is_dir_sep(src[1])) { - /* (2) */ - src += 2; - while (is_dir_sep(*src)) - src++; - continue; - } else if (src[1] == '.') { - if (!src[2]) { - /* (3) */ - src += 2; - goto up_one; - } else if (is_dir_sep(src[2])) { - /* (4) */ - src += 3; - while (is_dir_sep(*src)) - src++; - goto up_one; - } - } - } - - /* copy up to the next '/', and eat all '/' */ - while ((c = *src++) != '\0' && !is_dir_sep(c)) - *dst++ = c; - if (is_dir_sep(c)) { - *dst++ = '/'; - while (is_dir_sep(c)) - c = *src++; - src--; - } else if (!c) - break; - continue; - - up_one: - /* - * dst0..dst is prefix portion, and dst[-1] is '/'; - * go up one level. - */ - dst -= 2; /* go past trailing '/' if any */ - if (dst < dst0) - return -1; - while (1) { - if (dst <= dst0) - break; - c = *dst--; - if (c == '/') { /* MinGW: cannot be '\\' anymore */ - dst += 2; - break; - } - } - } - *dst = '\0'; - return 0; -} - const char *prefix_path(const char *prefix, int len, const char *path) { const char *orig = path; @@ -101,7 +15,7 @@ const char *prefix_path(const char *prefix, int len, const char *path) memcpy(sanitized, prefix, len); strcpy(sanitized + len, path); } - if (sanitary_path_copy(sanitized, sanitized)) + if (normalize_path_copy(sanitized, sanitized)) goto error_out; if (is_absolute_path(orig)) { const char *work_tree = get_git_work_tree(); @@ -110,9 +24,7 @@ const char *prefix_path(const char *prefix, int len, const char *path) if (strncmp(sanitized, work_tree, len) || (sanitized[len] != '\0' && sanitized[len] != '/')) { error_out: - error("'%s' is outside repository", orig); - free(sanitized); - return NULL; + die("'%s' is outside repository", orig); } if (sanitized[len] == '/') len++; @@ -216,10 +128,7 @@ const char **get_pathspec(const char *prefix, const char **pathspec) prefixlen = prefix ? strlen(prefix) : 0; while (*src) { const char *p = prefix_path(prefix, prefixlen, *src); - if (p) - *(dst++) = p; - else - exit(128); /* error message already given */ + *(dst++) = p; src++; } *dst = NULL; @@ -461,7 +370,11 @@ const char *setup_git_directory_gently(int *nongit_ok) inside_git_dir = 1; if (!work_tree_env) inside_work_tree = 0; - setenv(GIT_DIR_ENVIRONMENT, ".", 1); + if (offset != len) { + cwd[offset] = '\0'; + setenv(GIT_DIR_ENVIRONMENT, cwd, 1); + } else + setenv(GIT_DIR_ENVIRONMENT, ".", 1); check_repository_format_gently(nongit_ok); return NULL; } @@ -473,9 +386,10 @@ const char *setup_git_directory_gently(int *nongit_ok) *nongit_ok = 1; return NULL; } - die("Not a git repository"); + die("Not a git repository (or any of the parent directories): %s", DEFAULT_GIT_DIR_ENVIRONMENT); } - chdir(".."); + if (chdir("..")) + die("Cannot change to %s/..: %s", cwd, strerror(errno)); } inside_git_dir = 0; @@ -581,6 +495,8 @@ const char *setup_git_directory(void) if (retval && chdir(retval)) die ("Could not jump back into original cwd"); rel = get_relative_cwd(buffer, PATH_MAX, get_git_work_tree()); + if (rel && *rel && chdir(get_git_work_tree())) + die ("Could not jump to working directory"); return rel && *rel ? strcat(rel, "/") : NULL; } |