| 1 | This adds the --ignore-case option, which makes rsync compare filenames |
| 2 | in a case-insensitive manner. |
| 3 | |
| 4 | To use this patch, run these commands for a successful build: |
| 5 | |
| 6 | patch -p1 <patches/ignore-case.diff |
| 7 | ./configure (optional if already run) |
| 8 | make |
| 9 | |
| 10 | TODO: |
| 11 | |
| 12 | - Make this code handle multibyte character encodings, and honor the |
| 13 | --iconv setting when converting case. |
| 14 | |
| 15 | based-on: 3b8f8192227b14e708bf535072485e50f4362270 |
| 16 | diff --git a/exclude.c b/exclude.c |
| 17 | --- a/exclude.c |
| 18 | +++ b/exclude.c |
| 19 | @@ -21,6 +21,7 @@ |
| 20 | */ |
| 21 | |
| 22 | #include "rsync.h" |
| 23 | +#include "ifuncs.h" |
| 24 | |
| 25 | extern int am_server; |
| 26 | extern int am_sender; |
| 27 | @@ -687,16 +688,15 @@ static int rule_matches(const char *fname, filter_rule *ex, int name_is_dir) |
| 28 | if (litmatch_array(pattern, strings, slash_handling)) |
| 29 | return ret_match; |
| 30 | } else if (anchored_match) { |
| 31 | - if (strcmp(name, pattern) == 0) |
| 32 | + if (ic_strEQ(name, pattern)) |
| 33 | return ret_match; |
| 34 | } else { |
| 35 | int l1 = strlen(name); |
| 36 | int l2 = strlen(pattern); |
| 37 | - if (l2 <= l1 && |
| 38 | - strcmp(name+(l1-l2),pattern) == 0 && |
| 39 | - (l1==l2 || name[l1-(l2+1)] == '/')) { |
| 40 | + if (l2 <= l1 |
| 41 | + && ic_strEQ(name + (l1-l2), pattern) |
| 42 | + && (l1 == l2 || name[l1 - (l2+1)] == '/')) |
| 43 | return ret_match; |
| 44 | - } |
| 45 | } |
| 46 | |
| 47 | return !ret_match; |
| 48 | diff --git a/flist.c b/flist.c |
| 49 | --- a/flist.c |
| 50 | +++ b/flist.c |
| 51 | @@ -34,6 +34,7 @@ extern int am_generator; |
| 52 | extern int inc_recurse; |
| 53 | extern int always_checksum; |
| 54 | extern int module_id; |
| 55 | +extern int ignore_case; |
| 56 | extern int ignore_errors; |
| 57 | extern int numeric_ids; |
| 58 | extern int recurse; |
| 59 | @@ -2982,6 +2983,7 @@ int f_name_cmp(const struct file_struct *f1, const struct file_struct *f2) |
| 60 | { |
| 61 | int dif; |
| 62 | const uchar *c1, *c2; |
| 63 | + uchar ch1, ch2; |
| 64 | enum fnc_state state1, state2; |
| 65 | enum fnc_type type1, type2; |
| 66 | enum fnc_type t_path = protocol_version >= 29 ? t_PATH : t_ITEM; |
| 67 | @@ -3092,7 +3094,15 @@ int f_name_cmp(const struct file_struct *f1, const struct file_struct *f2) |
| 68 | if (type1 != type2) |
| 69 | return type1 == t_PATH ? 1 : -1; |
| 70 | } |
| 71 | - } while ((dif = (int)*c1++ - (int)*c2++) == 0); |
| 72 | + ch1 = *c1++; |
| 73 | + ch2 = *c2++; |
| 74 | + if (ignore_case) { |
| 75 | + if (isupper(ch1)) |
| 76 | + ch1 = tolower(ch1); |
| 77 | + if (isupper(ch2)) |
| 78 | + ch2 = tolower(ch2); |
| 79 | + } |
| 80 | + } while ((dif = (int)ch1 - (int)ch2) == 0); |
| 81 | |
| 82 | return dif; |
| 83 | } |
| 84 | diff --git a/ifuncs.h b/ifuncs.h |
| 85 | --- a/ifuncs.h |
| 86 | +++ b/ifuncs.h |
| 87 | @@ -77,3 +77,38 @@ init_stat_x(stat_x *sx_p) |
| 88 | sx_p->xattr = NULL; |
| 89 | #endif |
| 90 | } |
| 91 | + |
| 92 | +static inline int |
| 93 | +strEQ(const char *s1, const char *s2) |
| 94 | +{ |
| 95 | + return strcmp(s1, s2) == 0; |
| 96 | +} |
| 97 | + |
| 98 | +static inline int |
| 99 | +strnEQ(const char *s1, const char *s2, size_t n) |
| 100 | +{ |
| 101 | + return strncmp(s1, s2, n) == 0; |
| 102 | +} |
| 103 | + |
| 104 | +static inline int |
| 105 | +ic_strEQ(const char *s1, const char *s2) |
| 106 | +{ |
| 107 | + extern int ignore_case; |
| 108 | + if (ignore_case) |
| 109 | + return strcasecmp(s1, s2) == 0; |
| 110 | + return strcmp(s1, s2) == 0; |
| 111 | +} |
| 112 | + |
| 113 | +static inline int |
| 114 | +ic_strnEQ(const char *s1, const char *s2, size_t n) |
| 115 | +{ |
| 116 | + extern int ignore_case; |
| 117 | + if (ignore_case) |
| 118 | + return strncasecmp(s1, s2, n) == 0; |
| 119 | + return strncmp(s1, s2, n) == 0; |
| 120 | +} |
| 121 | + |
| 122 | +#define strNE(s1,s2) (!strEQ(s1,s2)) |
| 123 | +#define strnNE(s1,s2,n) (!strnEQ(s1,s2,n)) |
| 124 | +#define ic_strNE(s1,s2) (!ic_strEQ(s1,s2)) |
| 125 | +#define ic_strnNE(s1,s2) (!ic_strnEQ(s1,s2,n)) |
| 126 | diff --git a/lib/wildmatch.c b/lib/wildmatch.c |
| 127 | --- a/lib/wildmatch.c |
| 128 | +++ b/lib/wildmatch.c |
| 129 | @@ -53,6 +53,8 @@ |
| 130 | #define ISUPPER(c) (ISASCII(c) && isupper(c)) |
| 131 | #define ISXDIGIT(c) (ISASCII(c) && isxdigit(c)) |
| 132 | |
| 133 | +extern int ignore_case; |
| 134 | + |
| 135 | #ifdef WILD_TEST_ITERATIONS |
| 136 | int wildmatch_iteration_count; |
| 137 | #endif |
| 138 | @@ -72,6 +74,8 @@ static int dowild(const uchar *p, const uchar *text, const uchar*const *a) |
| 139 | for ( ; (p_ch = *p) != '\0'; text++, p++) { |
| 140 | int matched, special; |
| 141 | uchar t_ch, prev_ch; |
| 142 | + if (ignore_case && ISUPPER(p_ch)) |
| 143 | + p_ch = tolower(p_ch); |
| 144 | while ((t_ch = *text) == '\0') { |
| 145 | if (*a == NULL) { |
| 146 | if (p_ch != '*') |
| 147 | @@ -237,12 +241,21 @@ static int dowild(const uchar *p, const uchar *text, const uchar*const *a) |
| 148 | * of "text" and any strings in array "a". */ |
| 149 | static int doliteral(const uchar *s, const uchar *text, const uchar*const *a) |
| 150 | { |
| 151 | + uchar s_ch, t_ch; |
| 152 | for ( ; *s != '\0'; text++, s++) { |
| 153 | while (*text == '\0') { |
| 154 | if ((text = *a++) == NULL) |
| 155 | return FALSE; |
| 156 | } |
| 157 | - if (*text != *s) |
| 158 | + s_ch = *s; |
| 159 | + t_ch = *text; |
| 160 | + if (ignore_case) { |
| 161 | + if (ISUPPER(s_ch)) |
| 162 | + s_ch = tolower(s_ch); |
| 163 | + if (ISUPPER(t_ch)) |
| 164 | + t_ch = tolower(t_ch); |
| 165 | + } |
| 166 | + if (t_ch != s_ch) |
| 167 | return FALSE; |
| 168 | } |
| 169 | |
| 170 | @@ -288,10 +301,14 @@ static const uchar *trailing_N_elements(const uchar*const **a_ptr, int count) |
| 171 | int wildmatch(const char *pattern, const char *text) |
| 172 | { |
| 173 | static const uchar *nomore[1]; /* A NULL pointer. */ |
| 174 | + int ret; |
| 175 | #ifdef WILD_TEST_ITERATIONS |
| 176 | wildmatch_iteration_count = 0; |
| 177 | #endif |
| 178 | - return dowild((const uchar*)pattern, (const uchar*)text, nomore) == TRUE; |
| 179 | + force_lower_case = ignore_case; |
| 180 | + ret = dowild((const uchar*)pattern, (const uchar*)text, nomore) == TRUE; |
| 181 | + force_lower_case = 0; |
| 182 | + return ret; |
| 183 | } |
| 184 | |
| 185 | /* Match the "pattern" against the forced-to-lower-case "text" string. */ |
| 186 | @@ -331,12 +348,14 @@ int wildmatch_array(const char *pattern, const char*const *texts, int where) |
| 187 | if (!text) |
| 188 | return FALSE; |
| 189 | |
| 190 | + force_lower_case = ignore_case; |
| 191 | + |
| 192 | if ((matched = dowild(p, text, a)) != TRUE && where < 0 |
| 193 | && matched != ABORT_ALL) { |
| 194 | while (1) { |
| 195 | if (*text == '\0') { |
| 196 | if ((text = (uchar*)*a++) == NULL) |
| 197 | - return FALSE; |
| 198 | + break; |
| 199 | continue; |
| 200 | } |
| 201 | if (*text++ == '/' && (matched = dowild(p, text, a)) != FALSE |
| 202 | @@ -344,6 +363,9 @@ int wildmatch_array(const char *pattern, const char*const *texts, int where) |
| 203 | break; |
| 204 | } |
| 205 | } |
| 206 | + |
| 207 | + force_lower_case = 0; |
| 208 | + |
| 209 | return matched == TRUE; |
| 210 | } |
| 211 | |
| 212 | diff --git a/options.c b/options.c |
| 213 | --- a/options.c |
| 214 | +++ b/options.c |
| 215 | @@ -117,6 +117,7 @@ OFF_T max_size = 0; |
| 216 | OFF_T min_size = 0; |
| 217 | int ignore_errors = 0; |
| 218 | int modify_window = 0; |
| 219 | +int ignore_case = 0; |
| 220 | int blocking_io = -1; |
| 221 | int checksum_seed = 0; |
| 222 | int inplace = 0; |
| 223 | @@ -760,6 +761,7 @@ void usage(enum logcode F) |
| 224 | rprintf(F," --files-from=FILE read list of source-file names from FILE\n"); |
| 225 | rprintf(F," -0, --from0 all *-from/filter files are delimited by 0s\n"); |
| 226 | rprintf(F," -s, --protect-args no space-splitting; only wildcard special-chars\n"); |
| 227 | + rprintf(F," --ignore-case ignore case when comparing filenames\n"); |
| 228 | rprintf(F," --address=ADDRESS bind address for outgoing socket to daemon\n"); |
| 229 | rprintf(F," --port=PORT specify double-colon alternate port number\n"); |
| 230 | rprintf(F," --sockopts=OPTIONS specify custom TCP options\n"); |
| 231 | @@ -974,6 +976,8 @@ static struct poptOption long_options[] = { |
| 232 | {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 }, |
| 233 | {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 }, |
| 234 | {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 }, |
| 235 | + {"ignore-case", 0, POPT_ARG_VAL, &ignore_case, 1, 0, 0 }, |
| 236 | + {"no-ignore-case", 0, POPT_ARG_VAL, &ignore_case, 0, 0, 0 }, |
| 237 | {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 }, |
| 238 | {"from0", '0', POPT_ARG_VAL, &eol_nulls, 1, 0, 0}, |
| 239 | {"no-from0", 0, POPT_ARG_VAL, &eol_nulls, 0, 0, 0}, |
| 240 | @@ -2523,6 +2527,9 @@ void server_options(char **args, int *argc_p) |
| 241 | args[ac++] = arg; |
| 242 | } |
| 243 | |
| 244 | + if (ignore_case) |
| 245 | + args[ac++] = "--ignore-case"; |
| 246 | + |
| 247 | if (partial_dir && am_sender) { |
| 248 | if (partial_dir != tmp_partialdir) { |
| 249 | args[ac++] = "--partial-dir"; |
| 250 | diff --git a/rsync.yo b/rsync.yo |
| 251 | --- a/rsync.yo |
| 252 | +++ b/rsync.yo |
| 253 | @@ -414,6 +414,7 @@ to the detailed description below for a complete description. verb( |
| 254 | --files-from=FILE read list of source-file names from FILE |
| 255 | -0, --from0 all *from/filter files are delimited by 0s |
| 256 | -s, --protect-args no space-splitting; wildcard chars only |
| 257 | + --ignore-case ignore case when comparing filenames |
| 258 | --address=ADDRESS bind address for outgoing socket to daemon |
| 259 | --port=PORT specify double-colon alternate port number |
| 260 | --sockopts=OPTIONS specify custom TCP options |
| 261 | @@ -1583,6 +1584,10 @@ If you use this option with bf(--iconv), the args will also be translated |
| 262 | from the local to the remote character-set. The translation happens before |
| 263 | wild-cards are expanded. See also the bf(--files-from) option. |
| 264 | |
| 265 | +dit(bf(--ignore-case)) This option tells rsync to ignore upper-/lower-case |
| 266 | +differences when comparing filenames. This can avoid problems when sending |
| 267 | +files to a filesystem that ignores these differences. |
| 268 | + |
| 269 | dit(bf(-T, --temp-dir=DIR)) This option instructs rsync to use DIR as a |
| 270 | scratch directory when creating temporary copies of the files transferred |
| 271 | on the receiving side. The default behavior is to create each temporary |
| 272 | diff --git a/wildtest.c b/wildtest.c |
| 273 | --- a/wildtest.c |
| 274 | +++ b/wildtest.c |
| 275 | @@ -30,6 +30,7 @@ |
| 276 | int fnmatch_errors = 0; |
| 277 | #endif |
| 278 | |
| 279 | +int ignore_case = 0; |
| 280 | int wildmatch_errors = 0; |
| 281 | char number_separator = ','; |
| 282 | |