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: e94bad1c156fc3910f24e2b3b71a81b0b0bdeb70
16: diff --git a/exclude.c b/exclude.c
17: --- a/exclude.c
18: +++ b/exclude.c
19: @@ -683,16 +683,15 @@ static int rule_matches(const char *fname, filter_rule *ex, int name_flags)
20: if (litmatch_array(pattern, strings, slash_handling))
21: return ret_match;
22: } else if (anchored_match) {
23: - if (strcmp(name, pattern) == 0)
24: + if (ic_strEQ(name, pattern))
25: return ret_match;
26: } else {
27: int l1 = strlen(name);
28: int l2 = strlen(pattern);
29: - if (l2 <= l1 &&
30: - strcmp(name+(l1-l2),pattern) == 0 &&
31: - (l1==l2 || name[l1-(l2+1)] == '/')) {
32: + if (l2 <= l1
33: + && ic_strEQ(name + (l1-l2), pattern)
34: + && (l1 == l2 || name[l1 - (l2+1)] == '/'))
35: return ret_match;
36: - }
37: }
38:
39: return !ret_match;
40: diff --git a/flist.c b/flist.c
41: --- a/flist.c
42: +++ b/flist.c
43: @@ -35,6 +35,7 @@ extern int inc_recurse;
44: extern int always_checksum;
45: extern int checksum_type;
46: extern int module_id;
47: +extern int ignore_case;
48: extern int ignore_errors;
49: extern int numeric_ids;
50: extern int quiet;
51: @@ -2591,7 +2592,8 @@ struct file_list *recv_file_list(int f, int dir_ndx)
52: cur_dir++;
53: if (cur_dir != good_dirname) {
54: const char *d = dir_ndx >= 0 ? f_name(dir_flist->files[dir_ndx], NULL) : empty_dir;
55: - if (strcmp(cur_dir, d) != 0) {
56: + int dir_differs = ignore_case ? strcasecmp(cur_dir, d) : strcmp(cur_dir, d);
57: + if (dir_differs) {
58: rprintf(FERROR,
59: "ABORTING due to invalid path from sender: %s/%s\n",
60: cur_dir, file->basename);
61: @@ -3158,6 +3160,7 @@ int f_name_cmp(const struct file_struct *f1, const struct file_struct *f2)
62: {
63: int dif;
64: const uchar *c1, *c2;
65: + uchar ch1, ch2;
66: enum fnc_state state1, state2;
67: enum fnc_type type1, type2;
68: enum fnc_type t_path = protocol_version >= 29 ? t_PATH : t_ITEM;
69: @@ -3268,7 +3271,15 @@ int f_name_cmp(const struct file_struct *f1, const struct file_struct *f2)
70: if (type1 != type2)
71: return type1 == t_PATH ? 1 : -1;
72: }
73: - } while ((dif = (int)*c1++ - (int)*c2++) == 0);
74: + ch1 = *c1++;
75: + ch2 = *c2++;
76: + if (ignore_case) {
77: + if (isupper(ch1))
78: + ch1 = tolower(ch1);
79: + if (isupper(ch2))
80: + ch2 = tolower(ch2);
81: + }
82: + } while ((dif = (int)ch1 - (int)ch2) == 0);
83:
84: return dif;
85: }
86: diff --git a/ifuncs.h b/ifuncs.h
87: --- a/ifuncs.h
88: +++ b/ifuncs.h
89: @@ -109,3 +109,38 @@ static inline char *my_strdup(const char *str, const char *file, int line)
90: memcpy(buf, str, len);
91: return buf;
92: }
93: +
94: +static inline int
95: +strEQ(const char *s1, const char *s2)
96: +{
97: + return strcmp(s1, s2) == 0;
98: +}
99: +
100: +static inline int
101: +strnEQ(const char *s1, const char *s2, size_t n)
102: +{
103: + return strncmp(s1, s2, n) == 0;
104: +}
105: +
106: +static inline int
107: +ic_strEQ(const char *s1, const char *s2)
108: +{
109: + extern int ignore_case;
110: + if (ignore_case)
111: + return strcasecmp(s1, s2) == 0;
112: + return strcmp(s1, s2) == 0;
113: +}
114: +
115: +static inline int
116: +ic_strnEQ(const char *s1, const char *s2, size_t n)
117: +{
118: + extern int ignore_case;
119: + if (ignore_case)
120: + return strncasecmp(s1, s2, n) == 0;
121: + return strncmp(s1, s2, n) == 0;
122: +}
123: +
124: +#define strNE(s1,s2) (!strEQ(s1,s2))
125: +#define strnNE(s1,s2,n) (!strnEQ(s1,s2,n))
126: +#define ic_strNE(s1,s2) (!ic_strEQ(s1,s2))
127: +#define ic_strnNE(s1,s2) (!ic_strnEQ(s1,s2,n))
128: diff --git a/lib/wildmatch.c b/lib/wildmatch.c
129: --- a/lib/wildmatch.c
130: +++ b/lib/wildmatch.c
131: @@ -53,6 +53,8 @@
132: #define ISUPPER(c) (ISASCII(c) && isupper(c))
133: #define ISXDIGIT(c) (ISASCII(c) && isxdigit(c))
134:
135: +extern int ignore_case;
136: +
137: #ifdef WILD_TEST_ITERATIONS
138: int wildmatch_iteration_count;
139: #endif
140: @@ -72,6 +74,8 @@ static int dowild(const uchar *p, const uchar *text, const uchar*const *a)
141: for ( ; (p_ch = *p) != '\0'; text++, p++) {
142: int matched, special;
143: uchar t_ch, prev_ch;
144: + if (ignore_case && ISUPPER(p_ch))
145: + p_ch = tolower(p_ch);
146: while ((t_ch = *text) == '\0') {
147: if (*a == NULL) {
148: if (p_ch != '*')
149: @@ -237,12 +241,21 @@ static int dowild(const uchar *p, const uchar *text, const uchar*const *a)
150: * of "text" and any strings in array "a". */
151: static int doliteral(const uchar *s, const uchar *text, const uchar*const *a)
152: {
153: + uchar s_ch, t_ch;
154: for ( ; *s != '\0'; text++, s++) {
155: while (*text == '\0') {
156: if ((text = *a++) == NULL)
157: return FALSE;
158: }
159: - if (*text != *s)
160: + s_ch = *s;
161: + t_ch = *text;
162: + if (ignore_case) {
163: + if (ISUPPER(s_ch))
164: + s_ch = tolower(s_ch);
165: + if (ISUPPER(t_ch))
166: + t_ch = tolower(t_ch);
167: + }
168: + if (t_ch != s_ch)
169: return FALSE;
170: }
171:
172: @@ -288,10 +301,14 @@ static const uchar *trailing_N_elements(const uchar*const **a_ptr, int count)
173: int wildmatch(const char *pattern, const char *text)
174: {
175: static const uchar *nomore[1]; /* A NULL pointer. */
176: + int ret;
177: #ifdef WILD_TEST_ITERATIONS
178: wildmatch_iteration_count = 0;
179: #endif
180: - return dowild((const uchar*)pattern, (const uchar*)text, nomore) == TRUE;
181: + force_lower_case = ignore_case;
182: + ret = dowild((const uchar*)pattern, (const uchar*)text, nomore) == TRUE;
183: + force_lower_case = 0;
184: + return ret;
185: }
186:
187: /* Match the "pattern" against the forced-to-lower-case "text" string. */
188: @@ -331,12 +348,14 @@ int wildmatch_array(const char *pattern, const char*const *texts, int where)
189: if (!text)
190: return FALSE;
191:
192: + force_lower_case = ignore_case;
193: +
194: if ((matched = dowild(p, text, a)) != TRUE && where < 0
195: && matched != ABORT_ALL) {
196: while (1) {
197: if (*text == '\0') {
198: if ((text = (uchar*)*a++) == NULL)
199: - return FALSE;
200: + break;
201: continue;
202: }
203: if (*text++ == '/' && (matched = dowild(p, text, a)) != FALSE
204: @@ -344,6 +363,9 @@ int wildmatch_array(const char *pattern, const char*const *texts, int where)
205: break;
206: }
207: }
208: +
209: + force_lower_case = 0;
210: +
211: return matched == TRUE;
212: }
213:
214: diff --git a/options.c b/options.c
215: --- a/options.c
216: +++ b/options.c
217: @@ -122,6 +122,7 @@ OFF_T max_size = -1;
218: OFF_T min_size = -1;
219: int ignore_errors = 0;
220: int modify_window = 0;
221: +int ignore_case = 0;
222: int blocking_io = -1;
223: int checksum_seed = 0;
224: int inplace = 0;
225: @@ -774,6 +775,8 @@ static struct poptOption long_options[] = {
226: {"read-batch", 0, POPT_ARG_STRING, &batch_name, OPT_READ_BATCH, 0, 0 },
227: {"write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_WRITE_BATCH, 0, 0 },
228: {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
229: + {"ignore-case", 0, POPT_ARG_VAL, &ignore_case, 1, 0, 0 },
230: + {"no-ignore-case", 0, POPT_ARG_VAL, &ignore_case, 0, 0, 0 },
231: {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
232: {"from0", '0', POPT_ARG_VAL, &eol_nulls, 1, 0, 0},
233: {"no-from0", 0, POPT_ARG_VAL, &eol_nulls, 0, 0, 0},
234: @@ -2795,6 +2798,9 @@ void server_options(char **args, int *argc_p)
235: args[ac++] = arg;
236: }
237:
238: + if (ignore_case)
239: + args[ac++] = "--ignore-case";
240: +
241: if (partial_dir && am_sender) {
242: if (partial_dir != tmp_partialdir) {
243: args[ac++] = "--partial-dir";
244: diff --git a/rsync.1.md b/rsync.1.md
245: --- a/rsync.1.md
246: +++ b/rsync.1.md
247: @@ -440,6 +440,7 @@ detailed description below for a complete description.
248: --from0, -0 all *-from/filter files are delimited by 0s
249: --protect-args, -s no space-splitting; wildcard chars only
250: --copy-as=USER[:GROUP] specify user & optional group for the copy
251: +--ignore-case ignore case when comparing filenames
252: --address=ADDRESS bind address for outgoing socket to daemon
253: --port=PORT specify double-colon alternate port number
254: --sockopts=OPTIONS specify custom TCP options
255: @@ -2195,6 +2196,12 @@ your home directory (remove the '=' for that).
256:
257: > sudo rsync -aive lsh -M--copy-as=joe src/ lh:dest/
258:
259: +0. `--ignore-case`
260: +
261: + This option tells rsync to ignore upper-/lower-case differences when
262: + comparing filenames. This can avoid problems when sending files to a
263: + filesystem that ignores these differences.
264: +
265: 0. `--temp-dir=DIR`, `-T`
266:
267: This option instructs rsync to use DIR as a scratch directory when creating
268: diff --git a/t_stub.c b/t_stub.c
269: --- a/t_stub.c
270: +++ b/t_stub.c
271: @@ -33,6 +33,7 @@ int preserve_xattrs = 0;
272: int preserve_perms = 0;
273: int preserve_executability = 0;
274: int open_noatime = 0;
275: +int ignore_case = 0;
276: size_t max_alloc = 0; /* max_alloc is needed when combined with util2.o */
277: char *partial_dir;
278: char *module_dir;
279: diff --git a/wildtest.c b/wildtest.c
280: --- a/wildtest.c
281: +++ b/wildtest.c
282: @@ -30,6 +30,7 @@
283: int fnmatch_errors = 0;
284: #endif
285:
286: +int ignore_case = 0;
287: int wildmatch_errors = 0;
288:
289: typedef char bool;
290: diff -Nurp a/rsync.1 b/rsync.1
291: --- a/rsync.1
292: +++ b/rsync.1
293: @@ -516,6 +516,7 @@ detailed description below for a complet
294: --from0, -0 all *-from/filter files are delimited by 0s
295: --protect-args, -s no space-splitting; wildcard chars only
296: --copy-as=USER[:GROUP] specify user & optional group for the copy
297: +--ignore-case ignore case when comparing filenames
298: --address=ADDRESS bind address for outgoing socket to daemon
299: --port=PORT specify double-colon alternate port number
300: --sockopts=OPTIONS specify custom TCP options
301: @@ -2242,6 +2243,10 @@ The following command does a local copy
302: sudo rsync -aive lsh -M--copy-as=joe src/ lh:dest/
303: .fi
304: .RE
305: +.IP "\fB\-\-ignore-case\fP"
306: +This option tells rsync to ignore upper-/lower-case differences when
307: +comparing filenames. This can avoid problems when sending files to a
308: +filesystem that ignores these differences.
309: .IP "\fB\-\-temp-dir=DIR\fP, \fB\-T\fP"
310: This option instructs rsync to use DIR as a scratch directory when creating
311: temporary copies of the files transferred on the receiving side. The
312: diff -Nurp a/rsync.1.html b/rsync.1.html
313: --- a/rsync.1.html
314: +++ b/rsync.1.html
315: @@ -431,6 +431,7 @@ detailed description below for a complet
316: --from0, -0 all *-from/filter files are delimited by 0s
317: --protect-args, -s no space-splitting; wildcard chars only
318: --copy-as=USER[:GROUP] specify user & optional group for the copy
319: +--ignore-case ignore case when comparing filenames
320: --address=ADDRESS bind address for outgoing socket to daemon
321: --port=PORT specify double-colon alternate port number
322: --sockopts=OPTIONS specify custom TCP options
323: @@ -2087,6 +2088,12 @@ has no permissions to change.</p>
324: </blockquote>
325: </dd>
326:
327: +<dt><code>--ignore-case</code></dt><dd>
328: +<p>This option tells rsync to ignore upper-/lower-case differences when
329: +comparing filenames. This can avoid problems when sending files to a
330: +filesystem that ignores these differences.</p>
331: +</dd>
332: +
333: <dt><code>--temp-dir=DIR</code>, <code>-T</code></dt><dd>
334: <p>This option instructs rsync to use DIR as a scratch directory when creating
335: temporary copies of the files transferred on the receiving side. The
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