p7519: improve check for prerequisite WATCHMAN
[gitweb.git] / sha1_file.c
index af7102cd6a351607ed680905f8578e98f41a172e..5f71bbac3ea9a11a4369ec0353e2e1258979ba19 100644 (file)
@@ -30,7 +30,7 @@
 #include "quote.h"
 #include "packfile.h"
 
-const unsigned char null_sha1[20];
+const unsigned char null_sha1[GIT_MAX_RAWSZ];
 const struct object_id null_oid;
 const struct object_id empty_tree_oid = {
        EMPTY_TREE_SHA1_BIN_LITERAL
@@ -1581,7 +1581,7 @@ int write_sha1_file(const void *buf, unsigned long len, const char *type, unsign
 }
 
 int hash_sha1_file_literally(const void *buf, unsigned long len, const char *type,
-                            unsigned char *sha1, unsigned flags)
+                            struct object_id *oid, unsigned flags)
 {
        char *header;
        int hdrlen, status = 0;
@@ -1589,13 +1589,13 @@ int hash_sha1_file_literally(const void *buf, unsigned long len, const char *typ
        /* type string, SP, %lu of the length plus NUL must fit this */
        hdrlen = strlen(type) + 32;
        header = xmalloc(hdrlen);
-       write_sha1_file_prepare(buf, len, type, sha1, header, &hdrlen);
+       write_sha1_file_prepare(buf, len, type, oid->hash, header, &hdrlen);
 
        if (!(flags & HASH_WRITE_OBJECT))
                goto cleanup;
-       if (freshen_packed_object(sha1) || freshen_loose_object(sha1))
+       if (freshen_packed_object(oid->hash) || freshen_loose_object(oid->hash))
                goto cleanup;
-       status = write_loose_object(sha1, header, hdrlen, buf, len, 0);
+       status = write_loose_object(oid->hash, header, hdrlen, buf, len, 0);
 
 cleanup:
        free(header);
@@ -1623,20 +1623,6 @@ int force_object_loose(const unsigned char *sha1, time_t mtime)
        return ret;
 }
 
-int has_pack_index(const unsigned char *sha1)
-{
-       struct stat st;
-       if (stat(sha1_pack_index_name(sha1), &st))
-               return 0;
-       return 1;
-}
-
-int has_sha1_pack(const unsigned char *sha1)
-{
-       struct pack_entry e;
-       return find_pack_entry(sha1, &e);
-}
-
 int has_sha1_file_with_flags(const unsigned char *sha1, int flags)
 {
        if (!startup_info->have_repository)
@@ -1799,14 +1785,14 @@ static int index_core(unsigned char *sha1, int fd, size_t size,
  * binary blobs, they generally do not want to get any conversion, and
  * callers should avoid this code path when filters are requested.
  */
-static int index_stream(unsigned char *sha1, int fd, size_t size,
+static int index_stream(struct object_id *oid, int fd, size_t size,
                        enum object_type type, const char *path,
                        unsigned flags)
 {
-       return index_bulk_checkin(sha1, fd, size, type, path, flags);
+       return index_bulk_checkin(oid->hash, fd, size, type, path, flags);
 }
 
-int index_fd(unsigned char *sha1, int fd, struct stat *st,
+int index_fd(struct object_id *oid, int fd, struct stat *st,
             enum object_type type, const char *path, unsigned flags)
 {
        int ret;
@@ -1816,21 +1802,21 @@ int index_fd(unsigned char *sha1, int fd, struct stat *st,
         * die() for large files.
         */
        if (type == OBJ_BLOB && path && would_convert_to_git_filter_fd(path))
-               ret = index_stream_convert_blob(sha1, fd, path, flags);
+               ret = index_stream_convert_blob(oid->hash, fd, path, flags);
        else if (!S_ISREG(st->st_mode))
-               ret = index_pipe(sha1, fd, type, path, flags);
+               ret = index_pipe(oid->hash, fd, type, path, flags);
        else if (st->st_size <= big_file_threshold || type != OBJ_BLOB ||
                 (path && would_convert_to_git(&the_index, path)))
-               ret = index_core(sha1, fd, xsize_t(st->st_size), type, path,
+               ret = index_core(oid->hash, fd, xsize_t(st->st_size), type, path,
                                 flags);
        else
-               ret = index_stream(sha1, fd, xsize_t(st->st_size), type, path,
+               ret = index_stream(oid, fd, xsize_t(st->st_size), type, path,
                                   flags);
        close(fd);
        return ret;
 }
 
-int index_path(unsigned char *sha1, const char *path, struct stat *st, unsigned flags)
+int index_path(struct object_id *oid, const char *path, struct stat *st, unsigned flags)
 {
        int fd;
        struct strbuf sb = STRBUF_INIT;
@@ -1840,7 +1826,7 @@ int index_path(unsigned char *sha1, const char *path, struct stat *st, unsigned
                fd = open(path, O_RDONLY);
                if (fd < 0)
                        return error_errno("open(\"%s\")", path);
-               if (index_fd(sha1, fd, st, OBJ_BLOB, path, flags) < 0)
+               if (index_fd(oid, fd, st, OBJ_BLOB, path, flags) < 0)
                        return error("%s: failed to insert into database",
                                     path);
                break;
@@ -1848,14 +1834,14 @@ int index_path(unsigned char *sha1, const char *path, struct stat *st, unsigned
                if (strbuf_readlink(&sb, path, st->st_size))
                        return error_errno("readlink(\"%s\")", path);
                if (!(flags & HASH_WRITE_OBJECT))
-                       hash_sha1_file(sb.buf, sb.len, blob_type, sha1);
-               else if (write_sha1_file(sb.buf, sb.len, blob_type, sha1))
+                       hash_sha1_file(sb.buf, sb.len, blob_type, oid->hash);
+               else if (write_sha1_file(sb.buf, sb.len, blob_type, oid->hash))
                        return error("%s: failed to insert into database",
                                     path);
                strbuf_release(&sb);
                break;
        case S_IFDIR:
-               return resolve_gitlink_ref(path, "HEAD", sha1);
+               return resolve_gitlink_ref(path, "HEAD", oid->hash);
        default:
                return error("%s: unsupported file type", path);
        }
@@ -2029,46 +2015,6 @@ int for_each_loose_object(each_loose_object_fn cb, void *data, unsigned flags)
        return foreach_alt_odb(loose_from_alt_odb, &alt);
 }
 
-static int for_each_object_in_pack(struct packed_git *p, each_packed_object_fn cb, void *data)
-{
-       uint32_t i;
-       int r = 0;
-
-       for (i = 0; i < p->num_objects; i++) {
-               struct object_id oid;
-
-               if (!nth_packed_object_oid(&oid, p, i))
-                       return error("unable to get sha1 of object %u in %s",
-                                    i, p->pack_name);
-
-               r = cb(&oid, p, i, data);
-               if (r)
-                       break;
-       }
-       return r;
-}
-
-int for_each_packed_object(each_packed_object_fn cb, void *data, unsigned flags)
-{
-       struct packed_git *p;
-       int r = 0;
-       int pack_errors = 0;
-
-       prepare_packed_git();
-       for (p = packed_git; p; p = p->next) {
-               if ((flags & FOR_EACH_OBJECT_LOCAL_ONLY) && !p->pack_local)
-                       continue;
-               if (open_pack_index(p)) {
-                       pack_errors = 1;
-                       continue;
-               }
-               r = for_each_object_in_pack(p, cb, data);
-               if (r)
-                       break;
-       }
-       return r ? r : pack_errors;
-}
-
 static int check_stream_sha1(git_zstream *stream,
                             const char *hdr,
                             unsigned long size,