#
# Define NO_STRTOK_R if you don't have strtok_r in the C library.
#
+# Define NO_FNMATCH if you don't have fnmatch in the C library.
+#
+# Define NO_FNMATCH_CASEFOLD if your fnmatch function doesn't have the
+# FNM_CASEFOLD GNU extension.
+#
# Define NO_LIBGEN_H if you don't have libgen.h.
#
# Define NEEDS_LIBGEN if your libgen needs -lgen when linking
NO_MKDTEMP = YesPlease
NO_MKSTEMPS = YesPlease
NO_REGEX = YesPlease
+ NO_FNMATCH_CASEFOLD = YesPlease
ifeq ($(uname_R),5.6)
SOCKLEN_T = int
NO_HSTRERROR = YesPlease
NO_STRCASESTR = YesPlease
NO_STRLCPY = YesPlease
NO_STRTOK_R = YesPlease
+ NO_FNMATCH = YesPlease
NO_MEMMEM = YesPlease
# NEEDS_LIBICONV = YesPlease
NO_ICONV = YesPlease
AR = compat/vcbuild/scripts/lib.pl
CFLAGS =
BASIC_CFLAGS = -nologo -I. -I../zlib -Icompat/vcbuild -Icompat/vcbuild/include -DWIN32 -D_CONSOLE -DHAVE_STRING_H -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_DEPRECATE
- COMPAT_OBJS = compat/msvc.o compat/fnmatch/fnmatch.o compat/winansi.o compat/win32/pthread.o compat/win32/syslog.o compat/win32/sys/poll.o
- COMPAT_CFLAGS = -D__USE_MINGW_ACCESS -DNOGDI -DHAVE_STRING_H -DHAVE_ALLOCA_H -Icompat -Icompat/fnmatch -Icompat/regex -Icompat/fnmatch -Icompat/win32 -DSTRIP_EXTENSION=\".exe\"
+ COMPAT_OBJS = compat/msvc.o compat/winansi.o compat/win32/pthread.o compat/win32/syslog.o compat/win32/sys/poll.o
+ COMPAT_CFLAGS = -D__USE_MINGW_ACCESS -DNOGDI -DHAVE_STRING_H -DHAVE_ALLOCA_H -Icompat -Icompat/regex -Icompat/win32 -DSTRIP_EXTENSION=\".exe\"
BASIC_LDFLAGS = -IGNORE:4217 -IGNORE:4049 -NOLOGO -SUBSYSTEM:CONSOLE -NODEFAULTLIB:MSVCRT.lib
EXTLIBS = advapi32.lib shell32.lib wininet.lib ws2_32.lib
PTHREAD_LIBS =
NO_STRCASESTR = YesPlease
NO_STRLCPY = YesPlease
NO_STRTOK_R = YesPlease
+ NO_FNMATCH = YesPlease
NO_MEMMEM = YesPlease
NEEDS_LIBICONV = YesPlease
OLD_ICONV = YesPlease
NO_INET_PTON = YesPlease
NO_INET_NTOP = YesPlease
NO_POSIX_GOODIES = UnfortunatelyYes
- COMPAT_CFLAGS += -D__USE_MINGW_ACCESS -DNOGDI -Icompat -Icompat/fnmatch -Icompat/win32
+ COMPAT_CFLAGS += -D__USE_MINGW_ACCESS -DNOGDI -Icompat -Icompat/win32
COMPAT_CFLAGS += -DSTRIP_EXTENSION=\".exe\"
- COMPAT_OBJS += compat/mingw.o compat/fnmatch/fnmatch.o compat/winansi.o \
+ COMPAT_OBJS += compat/mingw.o compat/winansi.o \
compat/win32/pthread.o compat/win32/syslog.o \
compat/win32/sys/poll.o
EXTLIBS += -lws2_32
COMPAT_CFLAGS += -DNO_STRTOK_R
COMPAT_OBJS += compat/strtok_r.o
endif
+ifdef NO_FNMATCH
+ COMPAT_CFLAGS += -Icompat/fnmatch
+ COMPAT_CFLAGS += -DNO_FNMATCH
+ COMPAT_OBJS += compat/fnmatch/fnmatch.o
+else
+ifdef NO_FNMATCH_CASEFOLD
+ COMPAT_CFLAGS += -Icompat/fnmatch
+ COMPAT_CFLAGS += -DNO_FNMATCH_CASEFOLD
+ COMPAT_OBJS += compat/fnmatch/fnmatch.o
+endif
+endif
ifdef NO_SETENV
COMPAT_CFLAGS += -DNO_SETENV
COMPAT_OBJS += compat/setenv.o
NO_HSTRERROR=@NO_HSTRERROR@
NO_STRCASESTR=@NO_STRCASESTR@
NO_STRTOK_R=@NO_STRTOK_R@
+NO_FNMATCH=@NO_FNMATCH@
+NO_FNMATCH_CASEFOLD=@NO_FNMATCH_CASEFOLD@
NO_MEMMEM=@NO_MEMMEM@
NO_STRLCPY=@NO_STRLCPY@
NO_UINTMAX_T=@NO_UINTMAX_T@
[NO_STRTOK_R=YesPlease])
AC_SUBST(NO_STRTOK_R)
#
+# Define NO_FNMATCH if you don't have fnmatch
+GIT_CHECK_FUNC(fnmatch,
+[NO_FNMATCH=],
+[NO_FNMATCH=YesPlease])
+AC_SUBST(NO_FNMATCH)
+#
+# Define NO_FNMATCH_CASEFOLD if your fnmatch function doesn't have the
+# FNM_CASEFOLD GNU extension.
+AC_CACHE_CHECK([whether the fnmatch function supports the FNMATCH_CASEFOLD GNU extension],
+ [ac_cv_c_excellent_fnmatch], [
+AC_EGREP_CPP(yippeeyeswehaveit,
+ AC_LANG_PROGRAM([
+#include <fnmatch.h>
+],
+[#ifdef FNM_CASEFOLD
+yippeeyeswehaveit
+#endif
+]),
+ [ac_cv_c_excellent_fnmatch=yes],
+ [ac_cv_c_excellent_fnmatch=no])
+])
+if test $ac_cv_c_excellent_fnmatch = yes; then
+ NO_FNMATCH_CASEFOLD=
+else
+ NO_FNMATCH_CASEFOLD=YesPlease
+fi
+AC_SUBST(NO_FNMATCH_CASEFOLD)
+#
# Define NO_MEMMEM if you don't have memmem.
GIT_CHECK_FUNC(memmem,
[NO_MEMMEM=],
int check_only, const struct path_simplify *simplify);
static int get_dtype(struct dirent *de, const char *path, int len);
+/* helper string functions with support for the ignore_case flag */
+int strcmp_icase(const char *a, const char *b)
+{
+ return ignore_case ? strcasecmp(a, b) : strcmp(a, b);
+}
+
+int strncmp_icase(const char *a, const char *b, size_t count)
+{
+ return ignore_case ? strncasecmp(a, b, count) : strncmp(a, b, count);
+}
+
+int fnmatch_icase(const char *pattern, const char *string, int flags)
+{
+ return fnmatch(pattern, string, flags | (ignore_case ? FNM_CASEFOLD : 0));
+}
+
static int common_prefix(const char **pathspec)
{
const char *path, *slash, *next;
if (!*match)
return MATCHED_RECURSIVELY;
- for (;;) {
- unsigned char c1 = *match;
- unsigned char c2 = *name;
- if (c1 == '\0' || is_glob_special(c1))
- break;
- if (c1 != c2)
- return 0;
- match++;
- name++;
- namelen--;
+ if (ignore_case) {
+ for (;;) {
+ unsigned char c1 = tolower(*match);
+ unsigned char c2 = tolower(*name);
+ if (c1 == '\0' || is_glob_special(c1))
+ break;
+ if (c1 != c2)
+ return 0;
+ match++;
+ name++;
+ namelen--;
+ }
+ } else {
+ for (;;) {
+ unsigned char c1 = *match;
+ unsigned char c2 = *name;
+ if (c1 == '\0' || is_glob_special(c1))
+ break;
+ if (c1 != c2)
+ return 0;
+ match++;
+ name++;
+ namelen--;
+ }
}
* we need to match by fnmatch
*/
matchlen = strlen(match);
- if (strncmp(match, name, matchlen))
- return !fnmatch(match, name, 0) ? MATCHED_FNMATCH : 0;
+ if (strncmp_icase(match, name, matchlen))
+ return !fnmatch_icase(match, name, 0) ? MATCHED_FNMATCH : 0;
if (namelen == matchlen)
return MATCHED_EXACTLY;
if (x->flags & EXC_FLAG_NODIR) {
/* match basename */
if (x->flags & EXC_FLAG_NOWILDCARD) {
- if (!strcmp(exclude, basename))
+ if (!strcmp_icase(exclude, basename))
return to_exclude;
} else if (x->flags & EXC_FLAG_ENDSWITH) {
if (x->patternlen - 1 <= pathlen &&
- !strcmp(exclude + 1, pathname + pathlen - x->patternlen + 1))
+ !strcmp_icase(exclude + 1, pathname + pathlen - x->patternlen + 1))
return to_exclude;
} else {
- if (fnmatch(exclude, basename, 0) == 0)
+ if (fnmatch_icase(exclude, basename, 0) == 0)
return to_exclude;
}
}
if (pathlen < baselen ||
(baselen && pathname[baselen-1] != '/') ||
- strncmp(pathname, x->base, baselen))
+ strncmp_icase(pathname, x->base, baselen))
continue;
if (x->flags & EXC_FLAG_NOWILDCARD) {
- if (!strcmp(exclude, pathname + baselen))
+ if (!strcmp_icase(exclude, pathname + baselen))
return to_exclude;
} else {
- if (fnmatch(exclude, pathname+baselen,
+ if (fnmatch_icase(exclude, pathname+baselen,
FNM_PATHNAME) == 0)
return to_exclude;
}
index_gitdir
};
+/*
+ * Do not use the alphabetically stored index to look up
+ * the directory name; instead, use the case insensitive
+ * name hash.
+ */
+static enum exist_status directory_exists_in_index_icase(const char *dirname, int len)
+{
+ struct cache_entry *ce = index_name_exists(&the_index, dirname, len + 1, ignore_case);
+ unsigned char endchar;
+
+ if (!ce)
+ return index_nonexistent;
+ endchar = ce->name[len];
+
+ /*
+ * The cache_entry structure returned will contain this dirname
+ * and possibly additional path components.
+ */
+ if (endchar == '/')
+ return index_directory;
+
+ /*
+ * If there are no additional path components, then this cache_entry
+ * represents a submodule. Submodules, despite being directories,
+ * are stored in the cache without a closing slash.
+ */
+ if (!endchar && S_ISGITLINK(ce->ce_mode))
+ return index_gitdir;
+
+ /* This should never be hit, but it exists just in case. */
+ return index_nonexistent;
+}
+
/*
* The index sorts alphabetically by entry name, which
* means that a gitlink sorts as '\0' at the end, while
*/
static enum exist_status directory_exists_in_index(const char *dirname, int len)
{
- int pos = cache_name_pos(dirname, len);
+ int pos;
+
+ if (ignore_case)
+ return directory_exists_in_index_icase(dirname, len);
+
+ pos = cache_name_pos(dirname, len);
if (pos < 0)
pos = -pos-1;
while (pos < active_nr) {
/* tries to remove the path with empty directories along it, ignores ENOENT */
extern int remove_path(const char *path);
+extern int strcmp_icase(const char *a, const char *b);
+extern int strncmp_icase(const char *a, const char *b, size_t count);
+extern int fnmatch_icase(const char *pattern, const char *string, int flags);
+
#endif
#include "csum-file.h"
#include "quote.h"
#include "exec_cmd.h"
+#include "dir.h"
#define PACK_ID_BITS 16
#define MAX_PACK_ID ((1<<PACK_ID_BITS)-1)
t = root->tree;
for (i = 0; i < t->entry_count; i++) {
e = t->entries[i];
- if (e->name->str_len == n && !strncmp(p, e->name->str_dat, n)) {
+ if (e->name->str_len == n && !strncmp_icase(p, e->name->str_dat, n)) {
if (!slash1) {
if (!S_ISDIR(mode)
&& e->versions[1].mode == mode
t = root->tree;
for (i = 0; i < t->entry_count; i++) {
e = t->entries[i];
- if (e->name->str_len == n && !strncmp(p, e->name->str_dat, n)) {
+ if (e->name->str_len == n && !strncmp_icase(p, e->name->str_dat, n)) {
if (slash1 && !S_ISDIR(e->versions[1].mode))
/*
* If p names a file in some subdirectory, and a
t = root->tree;
for (i = 0; i < t->entry_count; i++) {
e = t->entries[i];
- if (e->name->str_len == n && !strncmp(p, e->name->str_dat, n)) {
+ if (e->name->str_len == n && !strncmp_icase(p, e->name->str_dat, n)) {
if (!slash1) {
memcpy(leaf, e, sizeof(*leaf));
if (e->tree && is_null_sha1(e->versions[1].sha1))
return hash;
}
+static void hash_index_entry_directories(struct index_state *istate, struct cache_entry *ce)
+{
+ /*
+ * Throw each directory component in the hash for quick lookup
+ * during a git status. Directory components are stored with their
+ * closing slash. Despite submodules being a directory, they never
+ * reach this point, because they are stored without a closing slash
+ * in the cache.
+ *
+ * Note that the cache_entry stored with the directory does not
+ * represent the directory itself. It is a pointer to an existing
+ * filename, and its only purpose is to represent existence of the
+ * directory in the cache. It is very possible multiple directory
+ * hash entries may point to the same cache_entry.
+ */
+ unsigned int hash;
+ void **pos;
+
+ const char *ptr = ce->name;
+ while (*ptr) {
+ while (*ptr && *ptr != '/')
+ ++ptr;
+ if (*ptr == '/') {
+ ++ptr;
+ hash = hash_name(ce->name, ptr - ce->name);
+ if (!lookup_hash(hash, &istate->name_hash)) {
+ pos = insert_hash(hash, ce, &istate->name_hash);
+ if (pos) {
+ ce->next = *pos;
+ *pos = ce;
+ }
+ }
+ }
+ }
+}
+
static void hash_index_entry(struct index_state *istate, struct cache_entry *ce)
{
void **pos;
ce->next = *pos;
*pos = ce;
}
+
+ if (ignore_case)
+ hash_index_entry_directories(istate, ce);
}
static void lazy_init_name_hash(struct index_state *istate)
if (len == namelen && !cache_name_compare(name, namelen, ce->name, len))
return 1;
- return icase && slow_same_name(name, namelen, ce->name, len);
+ if (!icase)
+ return 0;
+
+ /*
+ * If the entry we're comparing is a filename (no trailing slash), then compare
+ * the lengths exactly.
+ */
+ if (name[namelen - 1] != '/')
+ return slow_same_name(name, namelen, ce->name, len);
+
+ /*
+ * For a directory, we point to an arbitrary cache_entry filename. Just
+ * make sure the directory portion matches.
+ */
+ return slow_same_name(name, namelen, ce->name, namelen < len ? namelen : len);
}
struct cache_entry *index_name_exists(struct index_state *istate, const char *name, int namelen, int icase)
}
ce = ce->next;
}
+
+ /*
+ * Might be a submodule. Despite submodules being directories,
+ * they are stored in the name hash without a closing slash.
+ * When ignore_case is 1, directories are stored in the name hash
+ * with their closing slash.
+ *
+ * The side effect of this storage technique is we have need to
+ * remove the slash from name and perform the lookup again without
+ * the slash. If a match is made, S_ISGITLINK(ce->mode) will be
+ * true.
+ */
+ if (icase && name[namelen - 1] == '/') {
+ ce = index_name_exists(istate, name, namelen - 1, icase);
+ if (ce && S_ISGITLINK(ce->ce_mode))
+ return ce;
+ }
return NULL;
}
ce->ce_mode = ce_mode_from_stat(ent, st_mode);
}
+ /* When core.ignorecase=true, determine if a directory of the same name but differing
+ * case already exists within the Git repository. If it does, ensure the directory
+ * case of the file being added to the repository matches (is folded into) the existing
+ * entry's directory case.
+ */
+ if (ignore_case) {
+ const char *startPtr = ce->name;
+ const char *ptr = startPtr;
+ while (*ptr) {
+ while (*ptr && *ptr != '/')
+ ++ptr;
+ if (*ptr == '/') {
+ struct cache_entry *foundce;
+ ++ptr;
+ foundce = index_name_exists(&the_index, ce->name, ptr - ce->name, ignore_case);
+ if (foundce) {
+ memcpy((void *)startPtr, foundce->name + (startPtr - ce->name), ptr - startPtr);
+ startPtr = ptr;
+ }
+ }
+ }
+ }
+
alias = index_name_exists(istate, ce->name, ce_namelen(ce), ignore_case);
if (alias && !ce_stage(alias) && !ie_match_stat(istate, alias, st, ce_option)) {
/* Nothing changed, really */