git-p4: support exclude paths

diff --git a/cache.h b/cache.h
index efd31d8569c27ca18f2f7a7e599c115c8be9251a..922bed921213e4cc0e40c6f14533024c240af9ed 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -110,7 +110,6 @@ struct ondisk_cache_entry {
 };
 
 struct cache_entry {
-       struct cache_entry *next;
        unsigned int ce_ctime;
        unsigned int ce_mtime;
        unsigned int ce_dev;
@@ -121,6 +120,7 @@ struct cache_entry {
        unsigned int ce_size;
        unsigned int ce_flags;
        unsigned char sha1[20];
+       struct cache_entry *next;
        char name[FLEX_ARRAY]; /* more */
 };
 
@@ -133,7 +133,39 @@ struct cache_entry {
 #define CE_UPDATE    (0x10000)
 #define CE_REMOVE    (0x20000)
 #define CE_UPTODATE  (0x40000)
-#define CE_UNHASHED  (0x80000)
+
+#define CE_HASHED    (0x100000)
+#define CE_UNHASHED  (0x200000)
+
+/*
+ * Copy the sha1 and stat state of a cache entry from one to
+ * another. But we never change the name, or the hash state!
+ */
+#define CE_STATE_MASK (CE_HASHED | CE_UNHASHED)
+static inline void copy_cache_entry(struct cache_entry *dst, struct cache_entry *src)
+{
+       unsigned int state = dst->ce_flags & CE_STATE_MASK;
+
+       /* Don't copy hash chain and name */
+       memcpy(dst, src, offsetof(struct cache_entry, next));
+
+       /* Restore the hash state */
+       dst->ce_flags = (dst->ce_flags & ~CE_STATE_MASK) | state;
+}
+
+/*
+ * We don't actually *remove* it, we can just mark it invalid so that
+ * we won't find it in lookups.
+ *
+ * Not only would we have to search the lists (simple enough), but
+ * we'd also have to rehash other hash buckets in case this makes the
+ * hash bucket empty (common). So it's much better to just mark
+ * it.
+ */
+static inline void remove_index_entry(struct cache_entry *ce)
+{
+       ce->ce_flags |= CE_UNHASHED;
+}
 
 static inline unsigned create_ce_flags(size_t len, unsigned stage)
 {
@@ -178,6 +210,18 @@ static inline unsigned int ce_mode_from_stat(struct cache_entry *ce, unsigned in
        }
        return create_ce_mode(mode);
 }
+static inline int ce_to_dtype(const struct cache_entry *ce)
+{
+       unsigned ce_mode = ntohl(ce->ce_mode);
+       if (S_ISREG(ce_mode))
+               return DT_REG;
+       else if (S_ISDIR(ce_mode) || S_ISGITLINK(ce_mode))
+               return DT_DIR;
+       else if (S_ISLNK(ce_mode))
+               return DT_LNK;
+       else
+               return DT_UNKNOWN;
+}
 #define canon_mode(mode) \
        (S_ISREG(mode) ? (S_IFREG | ce_permissions(mode)) : \
        S_ISLNK(mode) ? S_IFLNK : S_ISDIR(mode) ? S_IFDIR : S_IFGITLINK)
@@ -371,6 +415,14 @@ extern size_t packed_git_limit;
 extern size_t delta_base_cache_limit;
 extern int auto_crlf;
 
+enum safe_crlf {
+       SAFE_CRLF_FALSE = 0,
+       SAFE_CRLF_FAIL = 1,
+       SAFE_CRLF_WARN = 2,
+};
+
+extern enum safe_crlf safe_crlf;
+
 #define GIT_REPO_VERSION 0
 extern int repository_format_version;
 extern int check_repository_format(void);
@@ -646,6 +698,7 @@ extern const char *git_log_output_encoding;
 /* IO helper functions */
 extern void maybe_flush_or_die(FILE *, const char *);
 extern int copy_fd(int ifd, int ofd);
+extern int copy_file(const char *dst, const char *src, int mode);
 extern int read_in_full(int fd, void *buf, size_t count);
 extern int write_in_full(int fd, const void *buf, size_t count);
 extern void write_or_die(int fd, const void *buf, size_t count);
@@ -679,7 +732,8 @@ extern void trace_argv_printf(const char **argv, const char *format, ...);
 
 /* convert.c */
 /* returns 1 if *dst was used */
-extern int convert_to_git(const char *path, const char *src, size_t len, struct strbuf *dst);
+extern int convert_to_git(const char *path, const char *src, size_t len,
+                          struct strbuf *dst, enum safe_crlf checksafe);
 extern int convert_to_working_tree(const char *path, const char *src, size_t len, struct strbuf *dst);
 
 /* add */
@@ -698,6 +752,7 @@ void shift_tree(const unsigned char *, const unsigned char *, unsigned char *, i
 #define WS_TRAILING_SPACE      01
 #define WS_SPACE_BEFORE_TAB    02
 #define WS_INDENT_WITH_NON_TAB 04
+#define WS_CR_AT_EOL           010
 #define WS_DEFAULT_RULE (WS_TRAILING_SPACE|WS_SPACE_BEFORE_TAB)
 extern unsigned whitespace_rule_cfg;
 extern unsigned whitespace_rule(const char *);
@@ -706,6 +761,7 @@ extern unsigned check_and_emit_line(const char *line, int len, unsigned ws_rule,
     FILE *stream, const char *set,
     const char *reset, const char *ws);
 extern char *whitespace_error_string(unsigned ws);
+extern int ws_fix_copy(char *, const char *, int, unsigned, int *);
 
 /* ls-files */
 int pathspec_match(const char **spec, char *matched, const char *filename, int skiplen);