git-tag(1): -v option is a subcommand; fix code block

[git.git] / fast-import.c

diff --git a/fast-import.c b/fast-import.c
index fbed8e4e89cb5cd8bb1d8f666de8a19c71912136..3a2d5ed8e667af06f97d2559b3cffb8a01f94565 100644 (file)
--- a/fast-import.c
+++ b/fast-import.c
@@ -133,10 +133,6 @@ Format of STDIN stream:
 #define PACK_ID_BITS 16
 #define MAX_PACK_ID ((1<<PACK_ID_BITS)-1)
 
-#ifndef PRIuMAX
-#define PRIuMAX "llu"
-#endif
-
 struct object_entry
 {
        struct object_entry *next;
@@ -253,7 +249,7 @@ typedef enum {
 
 /* Configured limits on output */
 static unsigned long max_depth = 10;
-static unsigned long max_packsize = (1LL << 32) - 1;
+static off_t max_packsize = (1LL << 32) - 1;
 static int force_update;
 
 /* Stats and misc. counters */
@@ -634,7 +630,7 @@ static void start_packfile(void)
        int pack_fd;
 
        snprintf(tmpfile, sizeof(tmpfile),
-               "%s/pack_XXXXXX", get_object_directory());
+               "%s/tmp_pack_XXXXXX", get_object_directory());
        pack_fd = mkstemp(tmpfile);
        if (pack_fd < 0)
                die("Can't create %s: %s", tmpfile, strerror(errno));
@@ -655,42 +651,6 @@ static void start_packfile(void)
        all_packs[pack_id] = p;
 }
 
-static void fixup_header_footer(void)
-{
-       static const int buf_sz = 128 * 1024;
-       int pack_fd = pack_data->pack_fd;
-       SHA_CTX c;
-       struct pack_header hdr;
-       char *buf;
-
-       if (lseek(pack_fd, 0, SEEK_SET) != 0)
-               die("Failed seeking to start: %s", strerror(errno));
-       if (read_in_full(pack_fd, &hdr, sizeof(hdr)) != sizeof(hdr))
-               die("Unable to reread header of %s", pack_data->pack_name);
-       if (lseek(pack_fd, 0, SEEK_SET) != 0)
-               die("Failed seeking to start: %s", strerror(errno));
-       hdr.hdr_entries = htonl(object_count);
-       write_or_die(pack_fd, &hdr, sizeof(hdr));
-
-       SHA1_Init(&c);
-       SHA1_Update(&c, &hdr, sizeof(hdr));
-
-       buf = xmalloc(buf_sz);
-       for (;;) {
-               size_t n = xread(pack_fd, buf, buf_sz);
-               if (!n)
-                       break;
-               if (n < 0)
-                       die("Failed to checksum %s", pack_data->pack_name);
-               SHA1_Update(&c, buf, n);
-       }
-       free(buf);
-
-       SHA1_Final(pack_data->sha1, &c);
-       write_or_die(pack_fd, pack_data->sha1, sizeof(pack_data->sha1));
-       close(pack_fd);
-}
-
 static int oecmp (const void *a_, const void *b_)
 {
        struct object_entry *a = *((struct object_entry**)a_);
@@ -734,7 +694,7 @@ static char *create_index(void)
        }
 
        snprintf(tmpfile, sizeof(tmpfile),
-               "%s/index_XXXXXX", get_object_directory());
+               "%s/tmp_idx_XXXXXX", get_object_directory());
        idx_fd = mkstemp(tmpfile);
        if (idx_fd < 0)
                die("Can't create %s: %s", tmpfile, strerror(errno));
@@ -757,7 +717,7 @@ static char *create_index(void)
 static char *keep_pack(char *curr_index_name)
 {
        static char name[PATH_MAX];
-       static char *keep_msg = "fast-import";
+       static const char *keep_msg = "fast-import";
        int keep_fd;
 
        chmod(pack_data->pack_name, 0444);
@@ -806,7 +766,9 @@ static void end_packfile(void)
                struct branch *b;
                struct tag *t;
 
-               fixup_header_footer();
+               fixup_pack_header_footer(pack_data->pack_fd, pack_data->sha1,
+                                   pack_data->pack_name, object_count);
+               close(pack_data->pack_fd);
                idx_name = keep_pack(create_index());
 
                /* Register the packfile with core git's machinary. */
@@ -908,6 +870,12 @@ static int store_object(
        if (e->offset) {
                duplicate_count_by_type[type]++;
                return 1;
+       } else if (find_sha1_pack(sha1, packed_git)) {
+               e->type = type;
+               e->pack_id = MAX_PACK_ID;
+               e->offset = 1; /* just not zero! */
+               duplicate_count_by_type[type]++;
+               return 1;
        }
 
        if (last && last->data && last->depth < max_depth) {
@@ -1062,7 +1030,7 @@ static void load_tree(struct tree_entry *root)
                struct tree_entry *e = new_tree_entry();
 
                if (t->entry_count == t->entry_capacity)
-                       root->tree = t = grow_tree_content(t, 8);
+                       root->tree = t = grow_tree_content(t, t->entry_count);
                t->entries[t->entry_count++] = e;
 
                e->tree = NULL;
@@ -1070,7 +1038,7 @@ static void load_tree(struct tree_entry *root)
                if (!c)
                        die("Corrupt mode in %s", sha1_to_hex(sha1));
                e->versions[0].mode = e->versions[1].mode;
-               e->name = to_atom(c, (unsigned short)strlen(c));
+               e->name = to_atom(c, strlen(c));
                c += e->name->str_len + 1;
                hashcpy(e->versions[0].sha1, (unsigned char*)c);
                hashcpy(e->versions[1].sha1, (unsigned char*)c);
@@ -1197,6 +1165,8 @@ static int tree_content_set(
                n = slash1 - p;
        else
                n = strlen(p);
+       if (!n)
+               die("Empty path component found in input");
 
        for (i = 0; i < t->entry_count; i++) {
                e = t->entries[i];
@@ -1229,9 +1199,9 @@ static int tree_content_set(
        }
 
        if (t->entry_count == t->entry_capacity)
-               root->tree = t = grow_tree_content(t, 8);
+               root->tree = t = grow_tree_content(t, t->entry_count);
        e = new_tree_entry();
-       e->name = to_atom(p, (unsigned short)n);
+       e->name = to_atom(p, n);
        e->versions[0].mode = 0;
        hashclr(e->versions[0].sha1);
        t->entries[t->entry_count++] = e;
@@ -1316,7 +1286,7 @@ static int update_branch(struct branch *b)
 
                if (!in_merge_bases(old_cmit, &new_cmit, 1)) {
                        unlock_ref(lock);
-                       warn("Not updating %s"
+                       warning("Not updating %s"
                                " (new tip %s does not contain %s)",
                                b->name, sha1_to_hex(b->sha1), sha1_to_hex(old_sha1));
                        return -1;
@@ -1548,7 +1518,7 @@ static void unload_one_branch(void)
 {
        while (cur_active_branches
                && cur_active_branches >= max_active_branches) {
-               unsigned long min_commit = ULONG_MAX;
+               uintmax_t min_commit = ULONG_MAX;
                struct branch *e, *l = NULL, *p = NULL;
 
                for (e = active_branches; e; e = e->active_next_branch) {
@@ -2025,6 +1995,7 @@ static void import_marks(const char *input_file)
                        e = insert_object(sha1);
                        e->type = type;
                        e->pack_id = MAX_PACK_ID;
+                       e->offset = 1; /* just not zero! */
                }
                insert_mark(mark, e);
        }
@@ -2090,6 +2061,7 @@ int main(int argc, const char **argv)
        if (i != argc)
                usage(fast_import_usage);
 
+       prepare_packed_git();
        start_packfile();
        for (;;) {
                read_next_command();