int cgit_diff_files(const unsigned char *old_sha1,
const unsigned char *new_sha1, unsigned long *old_size,
unsigned long *new_size, int *binary, linediff_fn fn)
{
mmfile_t file1, file2;
xpparam_t diff_params;
xdemitconf_t emit_params;
xdemitcb_t emit_cb;
if (!load_mmfile(&file1, old_sha1) || !load_mmfile(&file2, new_sha1))
return 1;
*old_size = file1.size;
*new_size = file2.size;
if ((file1.ptr && buffer_is_binary(file1.ptr, file1.size)) ||
(file2.ptr && buffer_is_binary(file2.ptr, file2.size))) {
*binary = 1;
return 0;
}
memset(&diff_params, 0, sizeof(diff_params));
memset(&emit_params, 0, sizeof(emit_params));
memset(&emit_cb, 0, sizeof(emit_cb));
diff_params.flags = XDF_NEED_MINIMAL;
emit_params.ctxlen = 3;
emit_params.flags = XDL_EMIT_FUNCNAMES;
emit_cb.outf = filediff_cb;
emit_cb.priv = fn;
xdl_diff(&file1, &file2, &diff_params, &emit_params, &emit_cb);
return 0;
}
static int ll_xdl_merge(const struct ll_merge_driver *drv_unused,
mmbuffer_t *result,
const char *path_unused,
mmfile_t *orig,
mmfile_t *src1, const char *name1,
mmfile_t *src2, const char *name2,
int virtual_ancestor)
{
xpparam_t xpp;
if (buffer_is_binary(orig->ptr, orig->size) ||
buffer_is_binary(src1->ptr, src1->size) ||
buffer_is_binary(src2->ptr, src2->size)) {
warning("Cannot merge binary files: %s vs. %s\n",
name1, name2);
return ll_binary_merge(drv_unused, result,
path_unused,
orig, src1, name1,
src2, name2,
virtual_ancestor);
}
memset(&xpp, 0, sizeof(xpp));
return xdl_merge(orig,
src1, name1,
src2, name2,
&xpp, XDL_MERGE_ZEALOUS,
result);
}
static int ll_xdl_merge(const struct ll_merge_driver *drv_unused,
mmbuffer_t *result,
const char *path,
mmfile_t *orig, const char *orig_name,
mmfile_t *src1, const char *name1,
mmfile_t *src2, const char *name2,
int flag, int marker_size)
{
xmparam_t xmp;
if (buffer_is_binary(orig->ptr, orig->size) ||
buffer_is_binary(src1->ptr, src1->size) ||
buffer_is_binary(src2->ptr, src2->size)) {
warning("Cannot merge binary files: %s (%s vs. %s)\n",
path, name1, name2);
return ll_binary_merge(drv_unused, result,
path,
orig, orig_name,
src1, name1,
src2, name2,
flag, marker_size);
}
memset(&xmp, 0, sizeof(xmp));
xmp.level = XDL_MERGE_ZEALOUS;
xmp.favor = ll_opt_favor(flag);
if (git_xmerge_style >= 0)
xmp.style = git_xmerge_style;
if (marker_size > 0)
xmp.marker_size = marker_size;
xmp.ancestor = orig_name;
xmp.file1 = name1;
xmp.file2 = name2;
return xdl_merge(orig, src1, src2, &xmp, result);
}
static int ll_xdl_merge(const struct ll_merge_driver *drv_unused,
mmbuffer_t *result,
const char *path,
mmfile_t *orig,
mmfile_t *src1, const char *name1,
mmfile_t *src2, const char *name2,
int flag, int marker_size)
{
xmparam_t xmp;
int style = 0;
int favor = (flag >> 1) & 03;
if (buffer_is_binary(orig->ptr, orig->size) ||
buffer_is_binary(src1->ptr, src1->size) ||
buffer_is_binary(src2->ptr, src2->size)) {
warning("Cannot merge binary files: %s (%s vs. %s)\n",
path, name1, name2);
return ll_binary_merge(drv_unused, result,
path,
orig, src1, name1,
src2, name2,
flag, marker_size);
}
memset(&xmp, 0, sizeof(xmp));
if (git_xmerge_style >= 0)
style = git_xmerge_style;
if (marker_size > 0)
xmp.marker_size = marker_size;
return xdl_merge(orig,
src1, name1,
src2, name2,
&xmp, XDL_MERGE_FLAGS(XDL_MERGE_ZEALOUS, style, favor),
result);
}
static int grep_source_is_binary(struct grep_source *gs)
{
grep_source_load_driver(gs);
if (gs->driver->binary != -1)
return gs->driver->binary;
if (!grep_source_load(gs))
return buffer_is_binary(gs->buf, gs->size);
return 0;
}
static int ll_xdl_merge(const struct ll_merge_driver *drv_unused,
mmbuffer_t *result,
const char *path,
mmfile_t *orig, const char *orig_name,
mmfile_t *src1, const char *name1,
mmfile_t *src2, const char *name2,
const struct ll_merge_options *opts,
int marker_size)
{
xmparam_t xmp;
assert(opts);
if (orig->size > MAX_XDIFF_SIZE ||
src1->size > MAX_XDIFF_SIZE ||
src2->size > MAX_XDIFF_SIZE ||
buffer_is_binary(orig->ptr, orig->size) ||
buffer_is_binary(src1->ptr, src1->size) ||
buffer_is_binary(src2->ptr, src2->size)) {
return ll_binary_merge(drv_unused, result,
path,
orig, orig_name,
src1, name1,
src2, name2,
opts, marker_size);
}
memset(&xmp, 0, sizeof(xmp));
xmp.level = XDL_MERGE_ZEALOUS;
xmp.favor = opts->variant;
xmp.mark_all = opts->mark_all_changes;
xmp.xpp.flags = opts->xdl_opts;
if (git_xmerge_style >= 0)
xmp.style = git_xmerge_style;
if (marker_size > 0)
xmp.marker_size = marker_size;
xmp.ancestor = orig_name;
xmp.file1 = name1;
xmp.file2 = name2;
return xdl_merge(orig, src1, src2, &xmp, result);
}
static void print_object(const unsigned char *sha1, const char *path)
{
enum object_type type;
char *buf, *ext;
unsigned long size;
struct string_list_item *mime;
type = sha1_object_info(sha1, &size);
if (type == OBJ_BAD) {
html_status(404, "Not found", 0);
return;
}
buf = read_sha1_file(sha1, &type, &size);
if (!buf) {
html_status(404, "Not found", 0);
return;
}
ctx.page.mimetype = NULL;
ext = strrchr(path, '.');
if (ext && *(++ext)) {
mime = string_list_lookup(&ctx.cfg.mimetypes, ext);
if (mime)
ctx.page.mimetype = (char *)mime->util;
}
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 = fmt("%s", path);
ctx.page.size = size;
ctx.page.etag = sha1_to_hex(sha1);
cgit_print_http_headers(&ctx);
html_raw(buf, size);
match = 1;
}
static int print_object(const unsigned char *sha1, const char *path)
{
enum object_type type;
char *buf, *mimetype;
unsigned long size;
type = sha1_object_info(sha1, &size);
if (type == OBJ_BAD) {
cgit_print_error_page(404, "Not found", "Not found");
return 0;
}
buf = read_sha1_file(sha1, &type, &size);
if (!buf) {
cgit_print_error_page(404, "Not found", "Not found");
return 0;
}
mimetype = get_mimetype_for_filename(path);
ctx.page.mimetype = mimetype;
if (!ctx.page.mimetype) {
if (buffer_is_binary(buf, size)) {
ctx.page.mimetype = "application/octet-stream";
ctx.page.charset = NULL;
} else {
ctx.page.mimetype = "text/plain";
}
}
ctx.page.filename = path;
ctx.page.size = size;
ctx.page.etag = sha1_to_hex(sha1);
cgit_print_http_headers();
html_raw(buf, size);
free(mimetype);
free(buf);
return 1;
}
static int grep_buffer_1(struct grep_opt *opt, const char *name,
char *buf, unsigned long size, int collect_hits)
{
char *bol = buf;
unsigned long left = size;
unsigned lno = 1;
unsigned last_hit = 0;
int binary_match_only = 0;
unsigned count = 0;
int try_lookahead = 0;
enum grep_context ctx = GREP_CONTEXT_HEAD;
xdemitconf_t xecfg;
opt->last_shown = 0;
if (!opt->output)
opt->output = std_output;
if (buffer_is_binary(buf, size)) {
switch (opt->binary) {
case GREP_BINARY_DEFAULT:
binary_match_only = 1;
break;
case GREP_BINARY_NOMATCH:
return 0; /* Assume unmatch */
break;
default:
break;
}
}
memset(&xecfg, 0, sizeof(xecfg));
if (opt->funcname && !opt->unmatch_name_only && !opt->status_only &&
!opt->name_only && !binary_match_only && !collect_hits) {
struct userdiff_driver *drv = userdiff_find_by_path(name);
if (drv && drv->funcname.pattern) {
const struct userdiff_funcname *pe = &drv->funcname;
xdiff_set_find_func(&xecfg, pe->pattern, pe->cflags);
opt->priv = &xecfg;
}
}
try_lookahead = should_lookahead(opt);
while (left) {
char *eol, ch;
int hit;
/*
* look_ahead() skips quicly to the line that possibly
* has the next hit; don't call it if we need to do
* something more than just skipping the current line
* in response to an unmatch for the current line. E.g.
* inside a post-context window, we will show the current
* line as a context around the previous hit when it
* doesn't hit.
*/
if (try_lookahead
&& !(last_hit
&& lno <= last_hit + opt->post_context)
&& look_ahead(opt, &left, &lno, &bol))
break;
eol = end_of_line(bol, &left);
ch = *eol;
*eol = 0;
if ((ctx == GREP_CONTEXT_HEAD) && (eol == bol))
ctx = GREP_CONTEXT_BODY;
hit = match_line(opt, bol, eol, ctx, collect_hits);
*eol = ch;
if (collect_hits)
goto next_line;
/* "grep -v -e foo -e bla" should list lines
* that do not have either, so inversion should
* be done outside.
*/
if (opt->invert)
hit = !hit;
if (opt->unmatch_name_only) {
if (hit)
return 0;
goto next_line;
}
if (hit) {
count++;
if (opt->status_only)
return 1;
if (binary_match_only) {
opt->output(opt, "Binary file ", 12);
output_color(opt, name, strlen(name),
opt->color_filename);
opt->output(opt, " matches\n", 9);
return 1;
}
if (opt->name_only) {
show_name(opt, name);
return 1;
}
/* Hit at this line. If we haven't shown the
* pre-context lines, we would need to show them.
* When asked to do "count", this still show
* the context which is nonsense, but the user
* deserves to get that ;-).
*/
if (opt->pre_context)
show_pre_context(opt, name, buf, bol, lno);
else if (opt->funcname)
show_funcname_line(opt, name, buf, bol, lno);
if (!opt->count)
show_line(opt, bol, eol, name, lno, ':');
last_hit = lno;
}
else if (last_hit &&
lno <= last_hit + opt->post_context) {
/* If the last hit is within the post context,
* we need to show this line.
*/
show_line(opt, bol, eol, name, lno, '-');
}
next_line:
bol = eol + 1;
if (!left)
break;
left--;
lno++;
}
if (collect_hits)
return 0;
if (opt->status_only)
return 0;
if (opt->unmatch_name_only) {
/* We did not see any hit, so we want to show this */
show_name(opt, name);
return 1;
}
xdiff_clear_find_func(&xecfg);
opt->priv = NULL;
/* NEEDSWORK:
* The real "grep -c foo *.c" gives many "bar.c:0" lines,
* which feels mostly useless but sometimes useful. Maybe
* make it another option? For now suppress them.
*/
if (opt->count && count) {
char buf[32];
output_color(opt, name, strlen(name), opt->color_filename);
output_sep(opt, ':');
snprintf(buf, sizeof(buf), "%u\n", count);
opt->output(opt, buf, strlen(buf));
}
return !!last_hit;
}
static int grep_buffer_1(struct grep_opt *opt, const char *name,
char *buf, unsigned long size, int collect_hits)
{
char *bol = buf;
unsigned long left = size;
unsigned lno = 1;
unsigned last_hit = 0;
int binary_match_only = 0;
unsigned count = 0;
enum grep_context ctx = GREP_CONTEXT_HEAD;
xdemitconf_t xecfg;
opt->last_shown = 0;
if (buffer_is_binary(buf, size)) {
switch (opt->binary) {
case GREP_BINARY_DEFAULT:
binary_match_only = 1;
break;
case GREP_BINARY_NOMATCH:
return 0; /* Assume unmatch */
break;
default:
break;
}
}
memset(&xecfg, 0, sizeof(xecfg));
if (opt->funcname && !opt->unmatch_name_only && !opt->status_only &&
!opt->name_only && !binary_match_only && !collect_hits) {
struct userdiff_driver *drv = userdiff_find_by_path(name);
if (drv && drv->funcname.pattern) {
const struct userdiff_funcname *pe = &drv->funcname;
xdiff_set_find_func(&xecfg, pe->pattern, pe->cflags);
opt->priv = &xecfg;
}
}
while (left) {
char *eol, ch;
int hit;
eol = end_of_line(bol, &left);
ch = *eol;
*eol = 0;
if ((ctx == GREP_CONTEXT_HEAD) && (eol == bol))
ctx = GREP_CONTEXT_BODY;
hit = match_line(opt, bol, eol, ctx, collect_hits);
*eol = ch;
if (collect_hits)
goto next_line;
/* "grep -v -e foo -e bla" should list lines
* that do not have either, so inversion should
* be done outside.
*/
if (opt->invert)
hit = !hit;
if (opt->unmatch_name_only) {
if (hit)
return 0;
goto next_line;
}
if (hit) {
count++;
if (opt->status_only)
return 1;
if (binary_match_only) {
printf("Binary file %s matches\n", name);
return 1;
}
if (opt->name_only) {
show_name(opt, name);
return 1;
}
/* Hit at this line. If we haven't shown the
* pre-context lines, we would need to show them.
* When asked to do "count", this still show
* the context which is nonsense, but the user
* deserves to get that ;-).
*/
if (opt->pre_context)
show_pre_context(opt, name, buf, bol, lno);
else if (opt->funcname)
show_funcname_line(opt, name, buf, bol, lno);
if (!opt->count)
show_line(opt, bol, eol, name, lno, ':');
last_hit = lno;
}
else if (last_hit &&
lno <= last_hit + opt->post_context) {
/* If the last hit is within the post context,
* we need to show this line.
*/
show_line(opt, bol, eol, name, lno, '-');
}
next_line:
bol = eol + 1;
if (!left)
break;
left--;
lno++;
}
if (collect_hits)
return 0;
if (opt->status_only)
return 0;
if (opt->unmatch_name_only) {
/* We did not see any hit, so we want to show this */
show_name(opt, name);
return 1;
}
xdiff_clear_find_func(&xecfg);
opt->priv = NULL;
/* NEEDSWORK:
* The real "grep -c foo *.c" gives many "bar.c:0" lines,
* which feels mostly useless but sometimes useful. Maybe
* make it another option? For now suppress them.
*/
if (opt->count && count)
printf("%s%c%u\n", name,
opt->null_following_name ? '\0' : ':', count);
return !!last_hit;
}
int cgit_ref_path_exists(const char *path, const char *ref, int file_only)
{
unsigned char sha1[20];
unsigned long size;
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,
.file_only = file_only
};
if (get_sha1(ref, sha1))
return 0;
if (sha1_object_info(sha1, &size) != OBJ_COMMIT)
return 0;
read_tree_recursive(lookup_commit_reference(sha1)->tree, "", 0, 0, &paths, walk_tree, &walk_tree_ctx);
return walk_tree_ctx.found_path;
}
int cgit_print_file(char *path, const char *head, int file_only)
{
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,
.file_only = file_only
};
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, int file_only)
{
unsigned char sha1[20];
enum object_type type;
char *buf;
unsigned long size;
struct commit *commit;
struct pathspec_item path_items = {
.match = path,
.len = path ? strlen(path) : 0
};
struct pathspec paths = {
.nr = 1,
.items = &path_items
};
struct walk_tree_context walk_tree_ctx = {
.match_path = path,
.matched_sha1 = sha1,
.found_path = 0,
.file_only = file_only
};
if (hex) {
if (get_sha1_hex(hex, sha1)) {
cgit_print_error("Bad hex value: %s", hex);
return;
}
} else {
if (get_sha1(head, sha1)) {
cgit_print_error("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("Bad object name: %s", hex);
return;
}
buf = read_sha1_file(sha1, &type, &size);
if (!buf) {
cgit_print_error("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);
}
int cmd_merge_file(int argc, const char **argv, const char *prefix)
{
const char *names[3] = { NULL, NULL, NULL };
mmfile_t mmfs[3];
mmbuffer_t result = {NULL, 0};
xmparam_t xmp = {{0}};
int ret = 0, i = 0, to_stdout = 0;
int quiet = 0;
int prefixlen = 0;
struct option options[] = {
OPT_BOOLEAN('p', "stdout", &to_stdout, "send results to standard output"),
OPT_SET_INT(0, "diff3", &xmp.style, "use a diff3 based merge", XDL_MERGE_DIFF3),
OPT_SET_INT(0, "ours", &xmp.favor, "for conflicts, use our version",
XDL_MERGE_FAVOR_OURS),
OPT_SET_INT(0, "theirs", &xmp.favor, "for conflicts, use their version",
XDL_MERGE_FAVOR_THEIRS),
OPT_SET_INT(0, "union", &xmp.favor, "for conflicts, use a union version",
XDL_MERGE_FAVOR_UNION),
OPT_INTEGER(0, "marker-size", &xmp.marker_size,
"for conflicts, use this marker size"),
OPT__QUIET(&quiet, "do not warn about conflicts"),
OPT_CALLBACK('L', NULL, names, "name",
"set labels for file1/orig_file/file2", &label_cb),
OPT_END(),
};
xmp.level = XDL_MERGE_ZEALOUS_ALNUM;
xmp.style = 0;
xmp.favor = 0;
if (startup_info->have_repository) {
/* Read the configuration file */
git_config(git_xmerge_config, NULL);
if (0 <= git_xmerge_style)
xmp.style = git_xmerge_style;
}
argc = parse_options(argc, argv, prefix, options, merge_file_usage, 0);
if (argc != 3)
usage_with_options(merge_file_usage, options);
if (quiet) {
if (!freopen("/dev/null", "w", stderr))
return error("failed to redirect stderr to /dev/null: "
"%s", strerror(errno));
}
if (prefix)
prefixlen = strlen(prefix);
for (i = 0; i < 3; i++) {
const char *fname = prefix_filename(prefix, prefixlen, argv[i]);
if (!names[i])
names[i] = argv[i];
if (read_mmfile(mmfs + i, fname))
return -1;
if (buffer_is_binary(mmfs[i].ptr, mmfs[i].size))
return error("Cannot merge binary files: %s",
argv[i]);
}
xmp.ancestor = names[1];
xmp.file1 = names[0];
xmp.file2 = names[2];
ret = xdl_merge(mmfs + 1, mmfs + 0, mmfs + 2, &xmp, &result);
for (i = 0; i < 3; i++)
free(mmfs[i].ptr);
if (ret >= 0) {
const char *filename = argv[0];
FILE *f = to_stdout ? stdout : fopen(filename, "wb");
if (!f)
ret = error("Could not open %s for writing", filename);
else if (result.size &&
fwrite(result.ptr, result.size, 1, f) != 1)
ret = error("Could not write to %s", filename);
else if (fclose(f))
ret = error("Could not close %s", filename);
free(result.ptr);
}
return ret;
}
int cgit_ref_path_exists(const char *path, const char *ref, int file_only)
{
struct object_id oid;
unsigned long size;
struct pathspec_item path_items = {
.match = xstrdup(path),
.len = strlen(path)
};
struct pathspec paths = {
.nr = 1,
.items = &path_items
};
struct walk_tree_context walk_tree_ctx = {
.match_path = path,
.matched_oid = &oid,
.found_path = 0,
.file_only = file_only
};
if (get_oid(ref, &oid))
goto done;
if (oid_object_info(the_repository, &oid, &size) != OBJ_COMMIT)
goto done;
read_tree_recursive(lookup_commit_reference(the_repository, &oid)->maybe_tree, "", 0, 0, &paths, walk_tree, &walk_tree_ctx);
done:
free(path_items.match);
return walk_tree_ctx.found_path;
}
int cgit_print_file(char *path, const char *head, int file_only)
{
struct object_id oid;
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_oid = &oid,
.found_path = 0,
.file_only = file_only
};
if (get_oid(head, &oid))
return -1;
type = oid_object_info(the_repository, &oid, &size);
if (type == OBJ_COMMIT) {
commit = lookup_commit_reference(the_repository, &oid);
read_tree_recursive(commit->maybe_tree, "", 0, 0, &paths, walk_tree, &walk_tree_ctx);
if (!walk_tree_ctx.found_path)
return -1;
type = oid_object_info(the_repository, &oid, &size);
}
if (type == OBJ_BAD)
return -1;
buf = read_object_file(&oid, &type, &size);
if (!buf)
return -1;
buf[size] = '\0';
html_raw(buf, size);
free(buf);
return 0;
}
void cgit_print_blob(const char *hex, char *path, const char *head, int file_only)
{
struct object_id oid;
enum object_type type;
char *buf;
unsigned long size;
struct commit *commit;
struct pathspec_item path_items = {
.match = path,
.len = path ? strlen(path) : 0
};
struct pathspec paths = {
.nr = 1,
.items = &path_items
};
struct walk_tree_context walk_tree_ctx = {
.match_path = path,
.matched_oid = &oid,
.found_path = 0,
.file_only = file_only
};
if (hex) {
if (get_oid_hex(hex, &oid)) {
cgit_print_error_page(400, "Bad request",
"Bad hex value: %s", hex);
return;
}
} else {
if (get_oid(head, &oid)) {
cgit_print_error_page(404, "Not found",
"Bad ref: %s", head);
return;
}
}
type = oid_object_info(the_repository, &oid, &size);
if ((!hex) && type == OBJ_COMMIT && path) {
commit = lookup_commit_reference(the_repository, &oid);
read_tree_recursive(commit->maybe_tree, "", 0, 0, &paths, walk_tree, &walk_tree_ctx);
type = oid_object_info(the_repository, &oid, &size);
}
if (type == OBJ_BAD) {
cgit_print_error_page(404, "Not found",
"Bad object name: %s", hex);
return;
}
buf = read_object_file(&oid, &type, &size);
if (!buf) {
cgit_print_error_page(500, "Internal server error",
"Error reading object %s", hex);
return;
}
buf[size] = '\0';
if (buffer_is_binary(buf, size))
ctx.page.mimetype = "application/octet-stream";
else
ctx.page.mimetype = "text/plain";
ctx.page.filename = path;
html("X-Content-Type-Options: nosniff\n");
html("Content-Security-Policy: default-src 'none'\n");
cgit_print_http_headers();
html_raw(buf, size);
free(buf);
}
static int grep_buffer_1(struct grep_opt *opt, const char *name,
char *buf, unsigned long size, int collect_hits)
{
char *bol = buf;
unsigned long left = size;
unsigned lno = 1;
struct pre_context_line {
char *bol;
char *eol;
} *prev = NULL, *pcl;
unsigned last_hit = 0;
unsigned last_shown = 0;
int binary_match_only = 0;
const char *hunk_mark = "";
unsigned count = 0;
enum grep_context ctx = GREP_CONTEXT_HEAD;
if (buffer_is_binary(buf, size)) {
switch (opt->binary) {
case GREP_BINARY_DEFAULT:
binary_match_only = 1;
break;
case GREP_BINARY_NOMATCH:
return 0; /* Assume unmatch */
break;
default:
break;
}
}
if (opt->pre_context)
prev = xcalloc(opt->pre_context, sizeof(*prev));
if (opt->pre_context || opt->post_context)
hunk_mark = "--\n";
while (left) {
char *eol, ch;
int hit;
eol = end_of_line(bol, &left);
ch = *eol;
*eol = 0;
if ((ctx == GREP_CONTEXT_HEAD) && (eol == bol))
ctx = GREP_CONTEXT_BODY;
hit = match_line(opt, bol, eol, ctx, collect_hits);
*eol = ch;
if (collect_hits)
goto next_line;
/* "grep -v -e foo -e bla" should list lines
* that do not have either, so inversion should
* be done outside.
*/
if (opt->invert)
hit = !hit;
if (opt->unmatch_name_only) {
if (hit)
return 0;
goto next_line;
}
if (hit) {
count++;
if (opt->status_only)
return 1;
if (binary_match_only) {
printf("Binary file %s matches\n", name);
return 1;
}
if (opt->name_only) {
show_name(opt, name);
return 1;
}
/* Hit at this line. If we haven't shown the
* pre-context lines, we would need to show them.
* When asked to do "count", this still show
* the context which is nonsense, but the user
* deserves to get that ;-).
*/
if (opt->pre_context) {
unsigned from;
if (opt->pre_context < lno)
from = lno - opt->pre_context;
else
from = 1;
if (from <= last_shown)
from = last_shown + 1;
if (last_shown && from != last_shown + 1)
printf(hunk_mark);
while (from < lno) {
pcl = &prev[lno-from-1];
show_line(opt, pcl->bol, pcl->eol,
name, from, '-');
from++;
}
last_shown = lno-1;
}
if (last_shown && lno != last_shown + 1)
printf(hunk_mark);
if (!opt->count)
show_line(opt, bol, eol, name, lno, ':');
last_shown = last_hit = lno;
}
else if (last_hit &&
lno <= last_hit + opt->post_context) {
/* If the last hit is within the post context,
* we need to show this line.
*/
if (last_shown && lno != last_shown + 1)
printf(hunk_mark);
show_line(opt, bol, eol, name, lno, '-');
last_shown = lno;
}
if (opt->pre_context) {
memmove(prev+1, prev,
(opt->pre_context-1) * sizeof(*prev));
prev->bol = bol;
prev->eol = eol;
}
next_line:
bol = eol + 1;
if (!left)
break;
left--;
lno++;
}
free(prev);
if (collect_hits)
return 0;
if (opt->status_only)
return 0;
if (opt->unmatch_name_only) {
/* We did not see any hit, so we want to show this */
show_name(opt, name);
return 1;
}
/* NEEDSWORK:
* The real "grep -c foo *.c" gives many "bar.c:0" lines,
* which feels mostly useless but sometimes useful. Maybe
* make it another option? For now suppress them.
*/
if (opt->count && count)
printf("%s%c%u\n", name,
opt->null_following_name ? '\0' : ':', count);
return !!last_hit;
}
int cmd_merge_file(int argc, const char **argv, const char *prefix)
{
const char *names[3] = { NULL, NULL, NULL };
mmfile_t mmfs[3];
mmbuffer_t result = {NULL, 0};
xmparam_t xmp = {{XDF_NEED_MINIMAL}};
int ret = 0, i = 0, to_stdout = 0;
int level = XDL_MERGE_ZEALOUS_ALNUM;
int style = 0, quiet = 0;
int favor = 0;
int nongit;
struct option options[] = {
OPT_BOOLEAN('p', "stdout", &to_stdout, "send results to standard output"),
OPT_SET_INT(0, "diff3", &style, "use a diff3 based merge", XDL_MERGE_DIFF3),
OPT_SET_INT(0, "ours", &favor, "for conflicts, use our version",
XDL_MERGE_FAVOR_OURS),
OPT_SET_INT(0, "theirs", &favor, "for conflicts, use their version",
XDL_MERGE_FAVOR_THEIRS),
OPT__QUIET(&quiet),
OPT_CALLBACK('L', NULL, names, "name",
"set labels for file1/orig_file/file2", &label_cb),
OPT_END(),
};
prefix = setup_git_directory_gently(&nongit);
if (!nongit) {
/* Read the configuration file */
git_config(git_xmerge_config, NULL);
if (0 <= git_xmerge_style)
style = git_xmerge_style;
}
argc = parse_options(argc, argv, prefix, options, merge_file_usage, 0);
if (argc != 3)
usage_with_options(merge_file_usage, options);
if (quiet) {
if (!freopen("/dev/null", "w", stderr))
return error("failed to redirect stderr to /dev/null: "
"%s\n", strerror(errno));
}
for (i = 0; i < 3; i++) {
if (!names[i])
names[i] = argv[i];
if (read_mmfile(mmfs + i, argv[i]))
return -1;
if (buffer_is_binary(mmfs[i].ptr, mmfs[i].size))
return error("Cannot merge binary files: %s\n",
argv[i]);
}
ret = xdl_merge(mmfs + 1, mmfs + 0, names[0], mmfs + 2, names[2],
&xmp, XDL_MERGE_FLAGS(level, style, favor), &result);
for (i = 0; i < 3; i++)
free(mmfs[i].ptr);
if (ret >= 0) {
const char *filename = argv[0];
FILE *f = to_stdout ? stdout : fopen(filename, "wb");
if (!f)
ret = error("Could not open %s for writing", filename);
else if (result.size &&
fwrite(result.ptr, result.size, 1, f) != 1)
ret = error("Could not write to %s", filename);
else if (fclose(f))
ret = error("Could not close %s", filename);
free(result.ptr);
}
return ret;
}
