Merge branch 'nd/trace-with-env' into next
[gitweb.git] / sha1_file.c
index 60418da10b4fa4f919fb0a3c0b714c85082868d7..aea9124a78fce21eb4cb756af29823493274e581 100644 (file)
@@ -30,6 +30,9 @@
 #include "packfile.h"
 #include "fetch-object.h"
 
+/* The maximum size for an object header. */
+#define MAX_HEADER_LEN 32
+
 const unsigned char null_sha1[GIT_MAX_RAWSZ];
 const struct object_id null_oid;
 const struct object_id empty_tree_oid = {
@@ -665,15 +668,11 @@ int foreach_alt_odb(alt_odb_fn fn, void *cb)
 
 void prepare_alt_odb(void)
 {
-       const char *alt;
-
        if (alt_odb_tail)
                return;
 
-       alt = getenv(ALTERNATE_DB_ENVIRONMENT);
-
        alt_odb_tail = &alt_odb_list;
-       link_alt_odb_entries(alt, PATH_SEP, NULL, 0);
+       link_alt_odb_entries(the_repository->alternate_db, PATH_SEP, NULL, 0);
 
        read_info_alternates(get_object_directory(), 0);
 }
@@ -791,7 +790,7 @@ int check_object_signature(const struct object_id *oid, void *map,
        enum object_type obj_type;
        struct git_istream *st;
        git_hash_ctx c;
-       char hdr[32];
+       char hdr[MAX_HEADER_LEN];
        int hdrlen;
 
        if (map) {
@@ -1150,7 +1149,7 @@ static int sha1_loose_object_info(const unsigned char *sha1,
        unsigned long mapsize;
        void *map;
        git_zstream stream;
-       char hdr[32];
+       char hdr[MAX_HEADER_LEN];
        struct strbuf hdrbuf = STRBUF_INIT;
        unsigned long size_scratch;
 
@@ -1263,14 +1262,19 @@ int oid_object_info_extended(const struct object_id *oid, struct object_info *oi
                if (find_pack_entry(real->hash, &e))
                        break;
 
+               if (flags & OBJECT_INFO_IGNORE_LOOSE)
+                       return -1;
+
                /* Most likely it's a loose object. */
                if (!sha1_loose_object_info(real->hash, oi, flags))
                        return 0;
 
                /* Not a loose object; someone else may have just packed it. */
-               reprepare_packed_git();
-               if (find_pack_entry(real->hash, &e))
-                       break;
+               if (!(flags & OBJECT_INFO_QUICK)) {
+                       reprepare_packed_git();
+                       if (find_pack_entry(real->hash, &e))
+                               break;
+               }
 
                /* Check if it is a missing object */
                if (fetch_if_missing && repository_format_partial_clone &&
@@ -1514,7 +1518,7 @@ static int write_buffer(int fd, const void *buf, size_t len)
 int hash_object_file(const void *buf, unsigned long len, const char *type,
                     struct object_id *oid)
 {
-       char hdr[32];
+       char hdr[MAX_HEADER_LEN];
        int hdrlen = sizeof(hdr);
        write_object_file_prepare(buf, len, type, oid, hdr, &hdrlen);
        return 0;
@@ -1669,7 +1673,7 @@ static int freshen_packed_object(const unsigned char *sha1)
 int write_object_file(const void *buf, unsigned long len, const char *type,
                      struct object_id *oid)
 {
-       char hdr[32];
+       char hdr[MAX_HEADER_LEN];
        int hdrlen = sizeof(hdr);
 
        /* Normally if we have it in the pack then we do not bother writing
@@ -1689,7 +1693,7 @@ int hash_object_file_literally(const void *buf, unsigned long len,
        int hdrlen, status = 0;
 
        /* type string, SP, %lu of the length plus NUL must fit this */
-       hdrlen = strlen(type) + 32;
+       hdrlen = strlen(type) + MAX_HEADER_LEN;
        header = xmalloc(hdrlen);
        write_object_file_prepare(buf, len, type, oid, header, &hdrlen);
 
@@ -1709,7 +1713,7 @@ int force_object_loose(const struct object_id *oid, time_t mtime)
        void *buf;
        unsigned long len;
        enum object_type type;
-       char hdr[32];
+       char hdr[MAX_HEADER_LEN];
        int hdrlen;
        int ret;
 
@@ -2191,7 +2195,7 @@ int read_loose_object(const char *path,
        void *map = NULL;
        unsigned long mapsize;
        git_zstream stream;
-       char hdr[32];
+       char hdr[MAX_HEADER_LEN];
 
        *contents = NULL;