Teach fast-import to import subtrees named by tree id

diff --git a/cache.h b/cache.h
index c96602305f94b50e3f39be124c5e8d5af5a36f51..c9fa3df7f5b343ecea980ceb423e7c23d2eb22b2 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -361,7 +361,7 @@ enum object_type {
        OBJ_OFS_DELTA = 6,
        OBJ_REF_DELTA = 7,
        OBJ_ANY,
-       OBJ_MAX,
+       OBJ_MAX
 };
 
 static inline enum object_type object_type(unsigned int mode)
@@ -547,7 +547,6 @@ extern int core_compression_seen;
 extern size_t packed_git_window_size;
 extern size_t packed_git_limit;
 extern size_t delta_base_cache_limit;
-extern int auto_crlf;
 extern int read_replace_refs;
 extern int fsync_object_files;
 extern int core_preload_index;
@@ -556,32 +555,53 @@ extern int core_apply_sparse_checkout;
 enum safe_crlf {
        SAFE_CRLF_FALSE = 0,
        SAFE_CRLF_FAIL = 1,
-       SAFE_CRLF_WARN = 2,
+       SAFE_CRLF_WARN = 2
 };
 
 extern enum safe_crlf safe_crlf;
 
+enum auto_crlf {
+       AUTO_CRLF_FALSE = 0,
+       AUTO_CRLF_TRUE = 1,
+       AUTO_CRLF_INPUT = -1,
+};
+
+extern enum auto_crlf auto_crlf;
+
+enum eol {
+       EOL_UNSET,
+       EOL_CRLF,
+       EOL_LF,
+#ifdef NATIVE_CRLF
+       EOL_NATIVE = EOL_CRLF
+#else
+       EOL_NATIVE = EOL_LF
+#endif
+};
+
+extern enum eol eol;
+
 enum branch_track {
        BRANCH_TRACK_UNSPECIFIED = -1,
        BRANCH_TRACK_NEVER = 0,
        BRANCH_TRACK_REMOTE,
        BRANCH_TRACK_ALWAYS,
        BRANCH_TRACK_EXPLICIT,
-       BRANCH_TRACK_OVERRIDE,
+       BRANCH_TRACK_OVERRIDE
 };
 
 enum rebase_setup_type {
        AUTOREBASE_NEVER = 0,
        AUTOREBASE_LOCAL,
        AUTOREBASE_REMOTE,
-       AUTOREBASE_ALWAYS,
+       AUTOREBASE_ALWAYS
 };
 
 enum push_default_type {
        PUSH_DEFAULT_NOTHING = 0,
        PUSH_DEFAULT_MATCHING,
        PUSH_DEFAULT_TRACKING,
-       PUSH_DEFAULT_CURRENT,
+       PUSH_DEFAULT_CURRENT
 };
 
 extern enum branch_track git_branch_track;
@@ -590,7 +610,7 @@ extern enum push_default_type push_default;
 
 enum object_creation_mode {
        OBJECT_CREATION_USES_HARDLINKS = 0,
-       OBJECT_CREATION_USES_RENAMES = 1,
+       OBJECT_CREATION_USES_RENAMES = 1
 };
 
 extern enum object_creation_mode object_creation_mode;
@@ -670,7 +690,7 @@ enum sharedrepo {
        OLD_PERM_GROUP      = 1,
        OLD_PERM_EVERYBODY  = 2,
        PERM_GROUP          = 0660,
-       PERM_EVERYBODY      = 0664,
+       PERM_EVERYBODY      = 0664
 };
 int git_config_perm(const char *var, const char *value);
 int set_shared_perm(const char *path, int mode);
@@ -730,12 +750,23 @@ static inline unsigned int hexval(unsigned char c)
 #define MINIMUM_ABBREV 4
 #define DEFAULT_ABBREV 7
 
+struct object_context {
+       unsigned char tree[20];
+       char path[PATH_MAX];
+       unsigned mode;
+};
+
 extern int get_sha1(const char *str, unsigned char *sha1);
 extern int get_sha1_with_mode_1(const char *str, unsigned char *sha1, unsigned *mode, int gently, const char *prefix);
 static inline int get_sha1_with_mode(const char *str, unsigned char *sha1, unsigned *mode)
 {
        return get_sha1_with_mode_1(str, sha1, mode, 1, NULL);
 }
+extern int get_sha1_with_context_1(const char *name, unsigned char *sha1, struct object_context *orc, int gently, const char *prefix);
+static inline int get_sha1_with_context(const char *str, unsigned char *sha1, struct object_context *orc)
+{
+       return get_sha1_with_context_1(str, sha1, orc, 1, NULL);
+}
 extern int get_sha1_hex(const char *hex, unsigned char *sha1);
 extern char *sha1_to_hex(const unsigned char *sha1);   /* static buffer result! */
 extern int read_ref(const char *filename, unsigned char *sha1);
@@ -882,7 +913,7 @@ struct ref {
                REF_STATUS_REJECT_NODELETE,
                REF_STATUS_UPTODATE,
                REF_STATUS_REMOTE_REJECT,
-               REF_STATUS_EXPECTING_REPORT,
+               REF_STATUS_EXPECTING_REPORT
        } status;
        char *remote_status;
        struct ref *peer_ref; /* when renaming */