static int cat_one_file(int opt, const char *exp_type, const char *obj_name)
{
unsigned char sha1[20];
enum object_type type;
char *buf;
unsigned long size;
struct object_context obj_context;
if (get_sha1_with_context(obj_name, sha1, &obj_context))
die("Not a valid object name %s", obj_name);
buf = NULL;
switch (opt) {
case 't':
type = sha1_object_info(sha1, NULL);
if (type > 0) {
printf("%s\n", typename(type));
return 0;
}
break;
case 's':
type = sha1_object_info(sha1, &size);
if (type > 0) {
printf("%lu\n", size);
return 0;
}
break;
case 'e':
return !has_sha1_file(sha1);
case 'p':
type = sha1_object_info(sha1, NULL);
if (type < 0)
die("Not a valid object name %s", obj_name);
/* custom pretty-print here */
if (type == OBJ_TREE) {
const char *ls_args[3] = { NULL };
ls_args[0] = "ls-tree";
ls_args[1] = obj_name;
return cmd_ls_tree(2, ls_args, NULL);
}
buf = read_sha1_file(sha1, &type, &size);
if (!buf)
die("Cannot read object %s", obj_name);
if (type == OBJ_TAG) {
pprint_tag(sha1, buf, size);
return 0;
}
/* otherwise just spit out the data */
break;
case 'c':
if (!obj_context.path[0])
die("git cat-file --textconv %s: <object> must be <sha1:path>",
obj_name);
if (!textconv_object(obj_context.path, obj_context.mode, sha1, &buf, &size))
die("git cat-file --textconv: unable to run textconv on %s",
obj_name);
break;
case 0:
buf = read_object_with_reference(sha1, exp_type, &size, NULL);
break;
default:
die("git cat-file: unknown option: %s", exp_type);
}
static int write_tar_entry(struct archiver_args *args,
const unsigned char *sha1,
const char *path, size_t pathlen,
unsigned int mode)
{
struct ustar_header header;
struct strbuf ext_header = STRBUF_INIT;
unsigned int old_mode = mode;
unsigned long size;
void *buffer;
int err = 0;
memset(&header, 0, sizeof(header));
if (S_ISDIR(mode) || S_ISGITLINK(mode)) {
*header.typeflag = TYPEFLAG_DIR;
mode = (mode | 0777) & ~tar_umask;
} else if (S_ISLNK(mode)) {
*header.typeflag = TYPEFLAG_LNK;
mode |= 0777;
} else if (S_ISREG(mode)) {
*header.typeflag = TYPEFLAG_REG;
mode = (mode | ((mode & 0100) ? 0777 : 0666)) & ~tar_umask;
} else {
return error("unsupported file mode: 0%o (SHA1: %s)",
mode, sha1_to_hex(sha1));
}
if (pathlen > sizeof(header.name)) {
size_t plen = get_path_prefix(path, pathlen,
sizeof(header.prefix));
size_t rest = pathlen - plen - 1;
if (plen > 0 && rest <= sizeof(header.name)) {
memcpy(header.prefix, path, plen);
memcpy(header.name, path + plen + 1, rest);
} else {
sprintf(header.name, "%s.data",
sha1_to_hex(sha1));
strbuf_append_ext_header(&ext_header, "path",
path, pathlen);
}
} else
memcpy(header.name, path, pathlen);
if (S_ISREG(mode) && !args->convert &&
sha1_object_info(sha1, &size) == OBJ_BLOB &&
size > big_file_threshold)
buffer = NULL;
else if (S_ISLNK(mode) || S_ISREG(mode)) {
enum object_type type;
buffer = sha1_file_to_archive(args, path, sha1, old_mode, &type, &size);
if (!buffer)
return error("cannot read %s", sha1_to_hex(sha1));
} else {
buffer = NULL;
size = 0;
}
if (S_ISLNK(mode)) {
if (size > sizeof(header.linkname)) {
sprintf(header.linkname, "see %s.paxheader",
sha1_to_hex(sha1));
strbuf_append_ext_header(&ext_header, "linkpath",
buffer, size);
} else
memcpy(header.linkname, buffer, size);
}
prepare_header(args, &header, mode, size);
if (ext_header.len > 0) {
err = write_extended_header(args, sha1, ext_header.buf,
ext_header.len);
if (err) {
free(buffer);
return err;
}
}
strbuf_release(&ext_header);
write_blocked(&header, sizeof(header));
if (S_ISREG(mode) && size > 0) {
if (buffer)
write_blocked(buffer, size);
else
err = stream_blocked(sha1);
}
free(buffer);
return err;
}
static int update_local_ref(struct ref *ref,
const char *remote,
int verbose,
char *display)
{
struct commit *current = NULL, *updated;
enum object_type type;
struct branch *current_branch = branch_get(NULL);
const char *pretty_ref = ref->name + (
!prefixcmp(ref->name, "refs/heads/") ? 11 :
!prefixcmp(ref->name, "refs/tags/") ? 10 :
!prefixcmp(ref->name, "refs/remotes/") ? 13 :
0);
*display = 0;
type = sha1_object_info(ref->new_sha1, NULL);
if (type < 0)
die("object %s not found", sha1_to_hex(ref->new_sha1));
if (!hashcmp(ref->old_sha1, ref->new_sha1)) {
if (verbose)
sprintf(display, "= %-*s %-*s -> %s", SUMMARY_WIDTH,
"[up to date]", REFCOL_WIDTH, remote,
pretty_ref);
return 0;
}
if (current_branch &&
!strcmp(ref->name, current_branch->name) &&
!(update_head_ok || is_bare_repository()) &&
!is_null_sha1(ref->old_sha1)) {
/*
* If this is the head, and it's not okay to update
* the head, and the old value of the head isn't empty...
*/
sprintf(display, "! %-*s %-*s -> %s (can't fetch in current branch)",
SUMMARY_WIDTH, "[rejected]", REFCOL_WIDTH, remote,
pretty_ref);
return 1;
}
if (!is_null_sha1(ref->old_sha1) &&
!prefixcmp(ref->name, "refs/tags/")) {
sprintf(display, "- %-*s %-*s -> %s",
SUMMARY_WIDTH, "[tag update]", REFCOL_WIDTH, remote,
pretty_ref);
return s_update_ref("updating tag", ref, 0);
}
current = lookup_commit_reference_gently(ref->old_sha1, 1);
updated = lookup_commit_reference_gently(ref->new_sha1, 1);
if (!current || !updated) {
const char *msg;
const char *what;
if (!strncmp(ref->name, "refs/tags/", 10)) {
msg = "storing tag";
what = "[new tag]";
}
else {
msg = "storing head";
what = "[new branch]";
}
sprintf(display, "* %-*s %-*s -> %s", SUMMARY_WIDTH, what,
REFCOL_WIDTH, remote, pretty_ref);
return s_update_ref(msg, ref, 0);
}
if (in_merge_bases(current, &updated, 1)) {
char quickref[83];
strcpy(quickref, find_unique_abbrev(current->object.sha1, DEFAULT_ABBREV));
strcat(quickref, "..");
strcat(quickref, find_unique_abbrev(ref->new_sha1, DEFAULT_ABBREV));
sprintf(display, " %-*s %-*s -> %s", SUMMARY_WIDTH, quickref,
REFCOL_WIDTH, remote, pretty_ref);
return s_update_ref("fast forward", ref, 1);
} else if (force || ref->force) {
char quickref[84];
strcpy(quickref, find_unique_abbrev(current->object.sha1, DEFAULT_ABBREV));
strcat(quickref, "...");
strcat(quickref, find_unique_abbrev(ref->new_sha1, DEFAULT_ABBREV));
sprintf(display, "+ %-*s %-*s -> %s (forced update)",
SUMMARY_WIDTH, quickref, REFCOL_WIDTH, remote, pretty_ref);
return s_update_ref("forced-update", ref, 1);
} else {
sprintf(display, "! %-*s %-*s -> %s (non fast forward)",
SUMMARY_WIDTH, "[rejected]", REFCOL_WIDTH, remote,
pretty_ref);
return 1;
}
}
static void print_object(const unsigned char *sha1, const char *path,
const char *basename, const char *rev)
{
enum object_type type;
char *buf;
unsigned long size;
struct argv_array rev_argv = ARGV_ARRAY_INIT;
struct rev_info revs;
struct blame_scoreboard sb;
struct blame_origin *o;
struct blame_entry *ent = NULL;
type = sha1_object_info(sha1, &size);
if (type == OBJ_BAD) {
cgit_print_error_page(404, "Not found", "Bad object name: %s",
sha1_to_hex(sha1));
return;
}
buf = read_sha1_file(sha1, &type, &size);
if (!buf) {
cgit_print_error_page(500, "Internal server error",
"Error reading object %s", sha1_to_hex(sha1));
return;
}
argv_array_push(&rev_argv, "blame");
argv_array_push(&rev_argv, rev);
init_revisions(&revs, NULL);
revs.diffopt.flags.allow_textconv = 1;
setup_revisions(rev_argv.argc, rev_argv.argv, &revs, NULL);
init_scoreboard(&sb);
sb.revs = &revs;
setup_scoreboard(&sb, path, &o);
o->suspects = blame_entry_prepend(NULL, 0, sb.num_lines, o);
prio_queue_put(&sb.commits, o->commit);
blame_origin_decref(o);
sb.ent = NULL;
sb.path = path;
assign_blame(&sb, 0);
blame_sort_final(&sb);
blame_coalesce(&sb);
cgit_set_title_from_path(path);
cgit_print_layout_start();
htmlf("blob: %s (", sha1_to_hex(sha1));
cgit_plain_link("plain", NULL, NULL, ctx.qry.head, rev, path);
html(") (");
cgit_tree_link("tree", NULL, NULL, ctx.qry.head, rev, path);
html(")\n");
if (ctx.cfg.max_blob_size && size / 1024 > ctx.cfg.max_blob_size) {
htmlf("<div class='error'>blob size (%ldKB)"
" exceeds display size limit (%dKB).</div>",
size / 1024, ctx.cfg.max_blob_size);
return;
}
html("<table class='blame blob'>\n<tr>\n");
/* Commit hashes */
html("<td class='hashes'>");
for (ent = sb.ent; ent; ent = ent->next) {
html("<div class='alt'><pre>");
emit_blame_entry_hash(ent);
html("</pre></div>");
}
html("</td>\n");
/* Line numbers */
if (ctx.cfg.enable_tree_linenumbers) {
html("<td class='linenumbers'>");
for (ent = sb.ent; ent; ent = ent->next) {
html("<div class='alt'><pre>");
emit_blame_entry_linenumber(ent);
html("</pre></div>");
}
html("</td>\n");
}
html("<td class='lines'><div>");
/* Colored bars behind lines */
html("<div>");
for (ent = sb.ent; ent; ) {
struct blame_entry *e = ent->next;
html("<div class='alt'><pre>");
emit_blame_entry_line_background(&sb, ent);
html("</pre></div>");
free(ent);
ent = e;
}
html("</div>");
free((void *)sb.final_buf);
/* Lines */
html("<pre><code>");
if (ctx.repo->source_filter) {
char *filter_arg = xstrdup(basename);
cgit_open_filter(ctx.repo->source_filter, filter_arg);
html_raw(buf, size);
cgit_close_filter(ctx.repo->source_filter);
free(filter_arg);
} else {
html_txt(buf);
}
html("</code></pre>");
html("</div></td>\n");
html("</tr>\n</table>\n");
cgit_print_layout_end();
}
static int cat_one_file(int opt, const char *exp_type, const char *obj_name)
{
unsigned char sha1[20];
enum object_type type;
char *buf;
unsigned long size;
struct object_context obj_context;
if (get_sha1_with_context(obj_name, 0, sha1, &obj_context))
die("Not a valid object name %s", obj_name);
buf = NULL;
switch (opt) {
case 't':
type = sha1_object_info(sha1, NULL);
if (type > 0) {
printf("%s\n", typename(type));
return 0;
}
break;
case 's':
type = sha1_object_info(sha1, &size);
if (type > 0) {
printf("%lu\n", size);
return 0;
}
break;
case 'e':
return !has_sha1_file(sha1);
case 'c':
if (!obj_context.path[0])
die("git cat-file --textconv %s: <object> must be <sha1:path>",
obj_name);
if (textconv_object(obj_context.path, obj_context.mode, sha1, 1, &buf, &size))
break;
case 'p':
type = sha1_object_info(sha1, NULL);
if (type < 0)
die("Not a valid object name %s", obj_name);
/* custom pretty-print here */
if (type == OBJ_TREE) {
const char *ls_args[3] = { NULL };
ls_args[0] = "ls-tree";
ls_args[1] = obj_name;
return cmd_ls_tree(2, ls_args, NULL);
}
if (type == OBJ_BLOB)
return stream_blob_to_fd(1, sha1, NULL, 0);
buf = read_sha1_file(sha1, &type, &size);
if (!buf)
die("Cannot read object %s", obj_name);
/* otherwise just spit out the data */
break;
case 0:
if (type_from_string(exp_type) == OBJ_BLOB) {
unsigned char blob_sha1[20];
if (sha1_object_info(sha1, NULL) == OBJ_TAG) {
enum object_type type;
unsigned long size;
char *buffer = read_sha1_file(sha1, &type, &size);
if (memcmp(buffer, "object ", 7) ||
get_sha1_hex(buffer + 7, blob_sha1))
die("%s not a valid tag", sha1_to_hex(sha1));
free(buffer);
} else
hashcpy(blob_sha1, sha1);
if (sha1_object_info(blob_sha1, NULL) == OBJ_BLOB)
return stream_blob_to_fd(1, blob_sha1, NULL, 0);
/*
* we attempted to dereference a tag to a blob
* and failed; there may be new dereference
* mechanisms this code is not aware of.
* fall-back to the usual case.
*/
}
buf = read_object_with_reference(sha1, exp_type, &size, NULL);
break;
default:
die("git cat-file: unknown option: %s", exp_type);
}
int cgit_print_file(char *path, const char *head)
{
unsigned char sha1[20];
enum object_type type;
char *buf;
unsigned long size;
struct commit *commit;
struct pathspec_item path_items = {
.match = path,
.len = strlen(path)
};
struct pathspec paths = {
.nr = 1,
.items = &path_items
};
struct walk_tree_context walk_tree_ctx = {
.match_path = path,
.matched_sha1 = sha1,
.found_path = 0
};
if (get_sha1(head, sha1))
return -1;
type = sha1_object_info(sha1, &size);
if (type == OBJ_COMMIT && path) {
commit = lookup_commit_reference(sha1);
read_tree_recursive(commit->tree, "", 0, 0, &paths, walk_tree, &walk_tree_ctx);
if (!walk_tree_ctx.found_path)
return -1;
type = sha1_object_info(sha1, &size);
}
if (type == OBJ_BAD)
return -1;
buf = read_sha1_file(sha1, &type, &size);
if (!buf)
return -1;
buf[size] = '\0';
html_raw(buf, size);
return 0;
}
void cgit_print_blob(const char *hex, char *path, const char *head)
{
unsigned char sha1[20];
enum object_type type;
char *buf;
unsigned long size;
struct commit *commit;
struct pathspec_item path_items = {
.match = path,
.len = strlen(path)
};
struct pathspec paths = {
.nr = 1,
.items = &path_items
};
struct walk_tree_context walk_tree_ctx = {
.match_path = path,
.matched_sha1 = sha1,
};
if (hex) {
if (get_sha1_hex(hex, sha1)) {
cgit_print_error(fmt("Bad hex value: %s", hex));
return;
}
} else {
if (get_sha1(head, sha1)) {
cgit_print_error(fmt("Bad ref: %s", head));
return;
}
}
type = sha1_object_info(sha1, &size);
if ((!hex) && type == OBJ_COMMIT && path) {
commit = lookup_commit_reference(sha1);
read_tree_recursive(commit->tree, "", 0, 0, &paths, walk_tree, &walk_tree_ctx);
type = sha1_object_info(sha1,&size);
}
if (type == OBJ_BAD) {
cgit_print_error(fmt("Bad object name: %s", hex));
return;
}
buf = read_sha1_file(sha1, &type, &size);
if (!buf) {
cgit_print_error(fmt("Error reading object %s", hex));
return;
}
buf[size] = '\0';
ctx.page.mimetype = ctx.qry.mimetype;
if (!ctx.page.mimetype) {
if (buffer_is_binary(buf, size))
ctx.page.mimetype = "application/octet-stream";
else
ctx.page.mimetype = "text/plain";
}
ctx.page.filename = path;
cgit_print_http_headers(&ctx);
html_raw(buf, size);
}
static void create_tag(const unsigned char *object, const char *tag,
struct strbuf *buf, struct create_tag_options *opt,
unsigned char *prev, unsigned char *result)
{
enum object_type type;
char header_buf[1024];
int header_len;
char *path = NULL;
type = sha1_object_info(object, NULL);
if (type <= OBJ_NONE)
die(_("bad object type."));
header_len = snprintf(header_buf, sizeof(header_buf),
"object %s\n"
"type %s\n"
"tag %s\n"
"tagger %s\n\n",
sha1_to_hex(object),
typename(type),
tag,
git_committer_info(IDENT_STRICT));
if (header_len > sizeof(header_buf) - 1)
die(_("tag header too big."));
if (!opt->message_given) {
int fd;
/* write the template message before editing: */
path = git_pathdup("TAG_EDITMSG");
fd = open(path, O_CREAT | O_TRUNC | O_WRONLY, 0600);
if (fd < 0)
die_errno(_("could not create file '%s'"), path);
if (!is_null_sha1(prev)) {
write_tag_body(fd, prev);
} else {
struct strbuf buf = STRBUF_INIT;
strbuf_addch(&buf, '\n');
if (opt->cleanup_mode == CLEANUP_ALL)
strbuf_commented_addf(&buf, _(tag_template), tag, comment_line_char);
else
strbuf_commented_addf(&buf, _(tag_template_nocleanup), tag, comment_line_char);
write_or_die(fd, buf.buf, buf.len);
strbuf_release(&buf);
}
close(fd);
if (launch_editor(path, buf, NULL)) {
fprintf(stderr,
_("Please supply the message using either -m or -F option.\n"));
exit(1);
}
}
if (opt->cleanup_mode != CLEANUP_NONE)
strbuf_stripspace(buf, opt->cleanup_mode == CLEANUP_ALL);
if (!opt->message_given && !buf->len)
die(_("no tag message?"));
strbuf_insert(buf, 0, header_buf, header_len);
if (build_tag_object(buf, opt->sign, result) < 0) {
if (path)
fprintf(stderr, _("The tag message has been left in %s\n"),
path);
exit(128);
}
if (path) {
unlink_or_warn(path);
free(path);
}
}
