X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=read-tree.c;h=604884a983e087e25afccc1c52beff3883036e58;hb=40469ee9c6a6f4c85df5520ef719bba3d38a64f0;hp=8121e30671718737328f0ea3189ed7f69b31ce8b;hpb=bb233d690a9782e1570dc93ead2bf04aaca7cfe4;p=git.git diff --git a/read-tree.c b/read-tree.c index 8121e306..604884a9 100644 --- a/read-tree.c +++ b/read-tree.c @@ -7,76 +7,15 @@ static int stage = 0; -static int read_one_entry(unsigned char *sha1, const char *base, int baselen, const char *pathname, unsigned mode) -{ - int len = strlen(pathname); - unsigned int size = cache_entry_size(baselen + len); - struct cache_entry *ce = malloc(size); - - memset(ce, 0, size); - - ce->ce_mode = create_ce_mode(mode); - ce->ce_flags = create_ce_flags(baselen + len, stage); - memcpy(ce->name, base, baselen); - memcpy(ce->name + baselen, pathname, len+1); - memcpy(ce->sha1, sha1, 20); - return add_cache_entry(ce, 1); -} - -static int read_tree_recursive(void *buffer, const char *type, - unsigned long size, - const char *base, int baselen) -{ - if (!buffer || strcmp(type, "tree")) - return -1; - while (size) { - int len = strlen(buffer)+1; - unsigned char *sha1 = buffer + len; - char *path = strchr(buffer, ' ')+1; - unsigned int mode; - - if (size < len + 20 || sscanf(buffer, "%o", &mode) != 1) - return -1; - - buffer = sha1 + 20; - size -= len + 20; - - if (S_ISDIR(mode)) { - int retval; - int pathlen = strlen(path); - char *newbase = malloc(baselen + 1 + pathlen); - void *eltbuf; - char elttype[20]; - unsigned long eltsize; - - eltbuf = read_sha1_file(sha1, elttype, &eltsize); - if (!eltbuf) - return -1; - memcpy(newbase, base, baselen); - memcpy(newbase + baselen, path, pathlen); - newbase[baselen + pathlen] = '/'; - retval = read_tree_recursive(eltbuf, elttype, eltsize, - newbase, - baselen + pathlen + 1); - free(eltbuf); - free(newbase); - if (retval) - return -1; - continue; - } - if (read_one_entry(sha1, base, baselen, path, mode) < 0) - return -1; - } - return 0; -} - -static int read_tree(unsigned char *sha1, const char *base, int baselen) +static int unpack_tree(unsigned char *sha1) { void *buffer; unsigned long size; - buffer = read_tree_with_tree_or_commit_sha1(sha1, &size, 0); - return read_tree_recursive(buffer, "tree", size, base, baselen); + buffer = read_object_with_reference(sha1, "tree", &size, 0); + if (!buffer) + return -1; + return read_tree(buffer, size, stage); } static char *lockfile_name; @@ -256,7 +195,7 @@ int main(int argc, char **argv) usage(read_tree_usage); if (stage > 3) usage(read_tree_usage); - if (read_tree(sha1, "", 0) < 0) + if (unpack_tree(sha1) < 0) die("failed to unpack tree object %s", arg); stage++; }