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/* ui-refs.c: browse symbolic refs
 *
 * Copyright (C) 2006 Lars Hjemli
 *
 * Licensed under GNU General Public License v2
 *   (see COPYING for full license text)
 */

#include "cgit.h"
#include "html.h"
#include "ui-shared.h"

static int header;

static int cmp_age(int age1, int age2)
{
	if (age1 != 0 && age2 != 0)
		return age2 - age1;

	if (age1 == 0 && age2 == 0)
		return 0;

	if (age1 == 0)
		return +1;

	return -1;
}

static int cmp_ref_name(const void *a, const void *b)
{
	struct refinfo *r1 = *(struct refinfo **)a;
	struct refinfo *r2 = *(struct refinfo **)b;

	return strcmp(r1->refname, r2->refname);
}

static int cmp_branch_age(const void *a, const void *b)
{
	struct refinfo *r1 = *(struct refinfo **)a;
	struct refinfo *r2 = *(struct refinfo **)b;

	return cmp_age(r1->commit->committer_date, r2->commit->committer_date);
}

static int cmp_tag_age(const void *a, const void *b)
{
	struct refinfo *r1 = *(struct refinfo **)a;
	struct refinfo *r2 = *(struct refinfo **)b;
	int r1date, r2date;

	if (r1->object->type != OBJ_COMMIT)
		r1date = r1->tag->tagger_date;
	else
		r1date = r1->commit->committer_date;

	if (r2->object->type != OBJ_COMMIT)
		r2date = r2->tag->tagger_date;
	else
		r2date = r2->commit->committer_date;

	return cmp_age(r1date, r2date);
}

static int print_branch(struct refinfo *ref)
{
	struct commitinfo *info = ref->commit;
	char *name = (char *)ref->refname;

	if (!info)
		return 1;
	html("<tr><td>");
	cgit_log_link(name, NULL, NULL, name, NULL, NULL, 0, NULL, NULL,
		      ctx.qry.showmsg);
	html("</td><td>");

	if (ref->object->type == OBJ_COMMIT) {
		cgit_commit_link(info->subject, NULL, NULL, name, NULL);
		html("</td><td>");
		html_txt(info->author);
		html("</td><td colspan='2'>");
		cgit_print_age(info->commit->date, -1, NULL);
	} else {
		html("</td><td></td><td>");
		cgit_object_link(ref->object);
	}
	html("</td></tr>\n");
	return 0;
}

static void print_tag_header()
{
	html("<tr class='nohover'><th class='left'>Tag</th>"
	     "<th class='left'>Download</th>"
	     "<th class='left'>Author</th>"
	     "<th class='left' colspan='2'>Age</th></tr>\n");
	header = 1;
}

static void print_tag_downloads(const struct cgit_repo *repo, const char *ref)
{
	const struct cgit_snapshot_format* f;
    	char *filename;
	const char *basename;

	if (!ref || strlen(ref) < 2)
		return;

	basename = cgit_repobasename(repo->url);
	if (prefixcmp(ref, basename) != 0) {
		if ((ref[0] == 'v' || ref[0] == 'V') && isdigit(ref[1]))
			ref++;
		if (isdigit(ref[0]))
			ref = xstrdup(fmt("%s-%s", basename, ref));
	}

	for (f = cgit_snapshot_formats; f->suffix; f++) {
		if (!(repo->snapshots & f->bit))
			continue;
		filename = fmt("%s%s", ref, f->suffix);
		cgit_snapshot_link(filename, NULL, NULL, NULL, NULL, filename);
		html("&nbsp;&nbsp;");
	}
}
static int print_tag(struct refinfo *ref)
{
	struct tag *tag;
	struct taginfo *info;
	char *name = (char *)ref->refname;

	if (ref->object->type == OBJ_TAG) {
		tag = (struct tag *)ref->object;
		info = ref->tag;
		if (!tag || !info)
			return 1;
		html("<tr><td>");
		cgit_tag_link(name, NULL, NULL, ctx.qry.head, name);
		html("</td><td>");
		if (ctx.repo->snapshots && (tag->tagged->type == OBJ_COMMIT))
			print_tag_downloads(ctx.repo, name);
		else
			cgit_object_link(tag->tagged);
		html("</td><td>");
		if (info->tagger)
			html(info->tagger);
		html("</td><td colspan='2'>");
		if (info->tagger_date > 0)
			cgit_print_age(info->tagger_date, -1, NULL);
		html("</td></tr>\n");
	} else {
		if (!header)
			print_tag_header();
		html("<tr><td>");
		cgit_tag_link(name, NULL, NULL, ctx.qry.head, name);
		html("</td><td>");
		if (ctx.repo->snapshots && (ref->object->type == OBJ_COMMIT))
			print_tag_downloads(ctx.repo, name);
		else
			cgit_object_link(ref->object);
		html("</td><td>");
		if (ref->object->type == OBJ_COMMIT)
			html(ref->commit->author);
		html("</td><td colspan='2'>");
		if (ref->object->type == OBJ_COMMIT)
			cgit_print_age(ref->commit->commit->date, -1, NULL);
		html("</td></tr>\n");
	}
	return 0;
}

static void print_refs_link(char *path)
{
	html("<tr class='nohover'><td colspan='4'>");
	cgit_refs_link("[...]", NULL, NULL, ctx.qry.head, NULL, path);
	html("</td></tr>");
}

void cgit_print_branches(int maxcount)
{
	struct reflist list;
	int i;

	html("<tr class='nohover'><th class='left'>Branch</th>"
	     "<th class='left'>Commit message</th>"
	     "<th class='left'>Author</th>"
	     "<th class='left' colspan='2'>Age</th></tr>\n");

	list.refs = NULL;
	list.alloc = list.count = 0;
	for_each_branch_ref(cgit_refs_cb, &list);

	if (maxcount == 0 || maxcount > list.count)
		maxcount = list.count;

	if (maxcount < list.count) {
		qsort(list.refs, list.count, sizeof(*list.refs), cmp_branch_age);
		qsort(list.refs, maxcount, sizeof(*list.refs), cmp_ref_name);
	}

	for(i=0; i<maxcount; i++)
		print_branch(list.refs[i]);

	if (maxcount < list.count)
		print_refs_link("heads");
}

void cgit_print_tags(int maxcount)
{
	struct reflist list;
	int i;

	header = 0;
	list.refs = NULL;
	list.alloc = list.count = 0;
	for_each_tag_ref(cgit_refs_cb, &list);
	if (list.count == 0)
		return;
	qsort(list.refs, list.count, sizeof(*list.refs), cmp_tag_age);
	if (!maxcount)
		maxcount = list.count;
	else if (maxcount > list.count)
		maxcount = list.count;
	print_tag_header();
	for(i=0; i<maxcount; i++)
		print_tag(list.refs[i]);

	if (maxcount < list.count)
		print_refs_link("tags");
}

void cgit_print_refs()
{

	html("<table class='list nowrap'>");

	if (ctx.qry.path && !strncmp(ctx.qry.path, "heads", 5))
		cgit_print_branches(0);
	else if (ctx.qry.path && !strncmp(ctx.qry.path, "tags", 4))
		cgit_print_tags(0);
	else {
		cgit_print_branches(0);
		html("<tr class='nohover'><td colspan='4'>&nbsp;</td></tr>");
		cgit_print_tags(0);
	}
	html("</table>");
}
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2025-01-14 09:59:27 +0000
span class="p">); break; case OBJ_COMMIT: ref->commit = cgit_parse_commit((struct commit *)ref->object); break; } return ref; } static void cgit_free_taginfo(struct taginfo *tag) { if (tag->tagger) free(tag->tagger); if (tag->tagger_email) free(tag->tagger_email); if (tag->msg) free(tag->msg); free(tag); } static void cgit_free_refinfo(struct refinfo *ref) { if (ref->refname) free((char *)ref->refname); switch (ref->object->type) { case OBJ_TAG: cgit_free_taginfo(ref->tag); break; case OBJ_COMMIT: cgit_free_commitinfo(ref->commit); break; } free(ref); } void cgit_free_reflist_inner(struct reflist *list) { int i; for (i = 0; i < list->count; i++) { cgit_free_refinfo(list->refs[i]); } free(list->refs); } int cgit_refs_cb(const char *refname, const unsigned char *sha1, int flags, void *cb_data) { struct reflist *list = (struct reflist *)cb_data; struct refinfo *info = cgit_mk_refinfo(refname, sha1); if (info) cgit_add_ref(list, info); return 0; } static void cgit_diff_tree_cb(struct diff_queue_struct *q, struct diff_options *options, void *data) { int i; for (i = 0; i < q->nr; i++) { if (q->queue[i]->status == 'U') continue; ((filepair_fn)data)(q->queue[i]); } } static int load_mmfile(mmfile_t *file, const unsigned char *sha1) { enum object_type type; if (is_null_sha1(sha1)) { file->ptr = (char *)""; file->size = 0; } else { file->ptr = read_sha1_file(sha1, &type, (unsigned long *)&file->size); } return 1; } /* * Receive diff-buffers from xdiff and concatenate them as * needed across multiple callbacks. * * This is basically a copy of xdiff-interface.c/xdiff_outf(), * ripped from git and modified to use globals instead of * a special callback-struct. */ char *diffbuf = NULL; int buflen = 0; static int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf) { int i; for (i = 0; i < nbuf; i++) { if (mb[i].ptr[mb[i].size-1] != '\n') { /* Incomplete line */ diffbuf = xrealloc(diffbuf, buflen + mb[i].size); memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size); buflen += mb[i].size; continue; } /* we have a complete line */ if (!diffbuf) { ((linediff_fn)priv)(mb[i].ptr, mb[i].size); continue; } diffbuf = xrealloc(diffbuf, buflen + mb[i].size); memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size); ((linediff_fn)priv)(diffbuf, buflen + mb[i].size); free(diffbuf); diffbuf = NULL; buflen = 0; } if (diffbuf) { ((linediff_fn)priv)(diffbuf, buflen); free(diffbuf); diffbuf = NULL; buflen = 0; } return 0; } int cgit_diff_files(const unsigned char *old_sha1, const unsigned char *new_sha1, unsigned long *old_size, unsigned long *new_size, int *binary, int context, int ignorews, 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; if (file1.size) free(file1.ptr); if (file2.size) free(file2.ptr); 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; if (ignorews) diff_params.flags |= XDF_IGNORE_WHITESPACE; emit_params.ctxlen = context > 0 ? context : 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); if (file1.size) free(file1.ptr); if (file2.size) free(file2.ptr); return 0; } void cgit_diff_tree(const unsigned char *old_sha1, const unsigned char *new_sha1, filepair_fn fn, const char *prefix, int ignorews) { struct diff_options opt; struct pathspec_item item; diff_setup(&opt); opt.output_format = DIFF_FORMAT_CALLBACK; opt.detect_rename = 1; opt.rename_limit = ctx.cfg.renamelimit; DIFF_OPT_SET(&opt, RECURSIVE); if (ignorews) DIFF_XDL_SET(&opt, IGNORE_WHITESPACE); opt.format_callback = cgit_diff_tree_cb; opt.format_callback_data = fn; if (prefix) { item.match = prefix; item.len = strlen(prefix); opt.pathspec.nr = 1; opt.pathspec.items = &item; } diff_setup_done(&opt); if (old_sha1 && !is_null_sha1(old_sha1)) diff_tree_sha1(old_sha1, new_sha1, "", &opt); else diff_root_tree_sha1(new_sha1, "", &opt); diffcore_std(&opt); diff_flush(&opt); } void cgit_diff_commit(struct commit *commit, filepair_fn fn, const char *prefix) { unsigned char *old_sha1 = NULL; if (commit->parents) old_sha1 = commit->parents->item->object.sha1; cgit_diff_tree(old_sha1, commit->object.sha1, fn, prefix, ctx.qry.ignorews); } int cgit_parse_snapshots_mask(const char *str) { struct string_list tokens = STRING_LIST_INIT_DUP; struct string_list_item *item; const struct cgit_snapshot_format *f; int rv = 0; /* favor legacy setting */ if (atoi(str)) return 1; string_list_split(&tokens, str, ' ', -1); string_list_remove_empty_items(&tokens, 0); for_each_string_list_item(item, &tokens) { for (f = cgit_snapshot_formats; f->suffix; f++) { if (!strcmp(item->string, f->suffix) || !strcmp(item->string, f->suffix + 1)) { rv |= f->bit; break; } } } string_list_clear(&tokens, 0); return rv; } typedef struct { char * name; char * value; } cgit_env_var; void cgit_prepare_repo_env(struct cgit_repo * repo) { cgit_env_var env_vars[] = { { .name = "CGIT_REPO_URL", .value = repo->url }, { .name = "CGIT_REPO_NAME", .value = repo->name }, { .name = "CGIT_REPO_PATH", .value = repo->path }, { .name = "CGIT_REPO_OWNER", .value = repo->owner }, { .name = "CGIT_REPO_DEFBRANCH", .value = repo->defbranch }, { .name = "CGIT_REPO_SECTION", .value = repo->section }, { .name = "CGIT_REPO_CLONE_URL", .value = repo->clone_url } }; int env_var_count = ARRAY_SIZE(env_vars); cgit_env_var *p, *q; static char *warn = "cgit warning: failed to set env: %s=%s\n"; p = env_vars; q = p + env_var_count; for (; p < q; p++) if (p->value && setenv(p->name, p->value, 1)) fprintf(stderr, warn, p->name, p->value); } /* Read the content of the specified file into a newly allocated buffer, * zeroterminate the buffer and return 0 on success, errno otherwise. */ int readfile(const char *path, char **buf, size_t *size) { int fd, e; struct stat st; fd = open(path, O_RDONLY); if (fd == -1) return errno; if (fstat(fd, &st)) { e = errno; close(fd); return e; } if (!S_ISREG(st.st_mode)) { close(fd); return EISDIR; } *buf = xmalloc(st.st_size + 1); *size = read_in_full(fd, *buf, st.st_size); e = errno; (*buf)[*size] = '\0'; close(fd); return (*size == st.st_size ? 0 : e); } static int is_token_char(char c) { return isalnum(c) || c == '_'; } /* Replace name with getenv(name), return pointer to zero-terminating char */ static char *expand_macro(char *name, int maxlength) { char *value; int len; len = 0; value = getenv(name); if (value) { len = strlen(value); if (len > maxlength) len = maxlength; strncpy(name, value, len); } return name + len; } #define EXPBUFSIZE (1024 * 8) /* Replace all tokens prefixed by '$' in the specified text with the * value of the named environment variable. * NB: the return value is a static buffer, i.e. it must be strdup'd * by the caller. */ char *expand_macros(const char *txt) { static char result[EXPBUFSIZE]; char *p, *start; int len; p = result; start = NULL; while (p < result + EXPBUFSIZE - 1 && txt && *txt) { *p = *txt; if (start) { if (!is_token_char(*txt)) { if (p - start > 0) { *p = '\0'; len = result + EXPBUFSIZE - start - 1; p = expand_macro(start, len) - 1; } start = NULL; txt--; } p++; txt++; continue; } if (*txt == '$') { start = p; txt++; continue; } p++; txt++; } *p = '\0'; if (start && p - start > 0) { len = result + EXPBUFSIZE - start - 1; p = expand_macro(start, len); *p = '\0'; } return result; }
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2025-01-14 09:59:27 +0000