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Commit message (Expand)AuthorAge
* ui-log.c: handle lightweight tags when printing commit decorationsLars Hjemli2009-08-16
* Handle binary files in diffsLars Hjemli2009-01-31
* Change toggle to more meaningful termJustin Waters2009-01-11
* ui-log: show name-decorations in log outputLars Hjemli2009-01-11
* Merge branch 'full-log'Lars Hjemli2008-12-06
|\
| * ui-log: use css to make full-log prettierLars Hjemli2008-11-30
| * ui-log: (ab)use extra columns for commit message when showmsg=1Lars Hjemli2008-11-29
| * ui-log: add support for showing the full commit messageLars Hjemli2008-11-29
* | ui-log: try to disambiguate ref namesLars Hjemli2008-12-03
|/
* Use GIT-1.6.0.2Lars Hjemli2008-10-05
* Make a few more columns in repolist and log view clickableLars Hjemli2008-04-14
* Make branches, tags and log play better together in the summary viewLars Hjemli2008-04-14
* Add ui-shared.hLars Hjemli2008-03-24
* Introduce html.hLars Hjemli2008-03-18
* Move cgit_repo into cgit_contextLars Hjemli2008-02-16
* Introduce struct cgit_contextLars Hjemli2008-02-16
* Fix html error detected by test-suiteLars Hjemli2007-11-11
* Show lines changed as -n/+m in shortlogsLars Hjemli2007-11-06
* Add search parameters to cgit_log_linkLars Hjemli2007-11-03
* Teach log search about --grep, --author and --committerLars Hjemli2007-10-28
* Add ofs argument to cgit_log_link and use it in ui-log.cLars Hjemli2007-06-29
* ui-log: honor id=sha1 on querystringLars Hjemli2007-06-17
* Add cgit_commit_link() + support for id=sha1 to commit viewLars Hjemli2007-06-17
* Add option to disable pager to cgit_print_log().Ondrej Jirman2007-05-31
* Use & instead of & in URLs.Ondrej Jirman2007-05-31
* Use cgit_print_age() on summary and log pagesLars Hjemli2007-05-22
* Add knobs to enable/disable files/lines changed in log viewLars Hjemli2007-05-18
* Change commit-view to expect h parameter, not idLars Hjemli2007-05-16
* Add log filtering by path and link to it from tree viewLars Hjemli2007-05-14
* Show number of changed lines in log viewLars Hjemli2007-05-13
* Show number of changed files in log viewLars Hjemli2007-05-13
* Layout updateLars Hjemli2007-02-21
* Add parameter to adjust max message length in log listingsLars Hjemli2007-01-28
* Cleanup table listingsLars Hjemli2007-01-28
* Add basic log filteringLars Hjemli2006-12-28
* Only show first 80 characters of commit subject in log and summaryLars Hjemli2006-12-22
* Reformat code to avoid excessive line lengthsLars Hjemli2006-12-16
* Add cgit_free_commitinfo() and use where neededLars Hjemli2006-12-16
* Add ui-commit.c + misc ui cleanupsLars Hjemli2006-12-16
* Add a common commit parserLars Hjemli2006-12-15
* Add simple pager to log pageLars Hjemli2006-12-14
* Add display of tree content w/ui-tree.cLars Hjemli2006-12-13
* Move log-functions into ui-log.cLars Hjemli2006-12-11
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2025-01-08 13:51:00 +0000
'n376' href='#n376'>376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 
/* ui-log.c: functions for log output
 *
 * 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"
#include "vector.h"

int files, add_lines, rem_lines;

/*
 * The list of available column colors in the commit graph.
 */
static const char *column_colors_html[] = {
	"<span class='column1'>",
	"<span class='column2'>",
	"<span class='column3'>",
	"<span class='column4'>",
	"<span class='column5'>",
	"<span class='column6'>",
	"</span>",
};

#define COLUMN_COLORS_HTML_MAX (ARRAY_SIZE(column_colors_html) - 1)

static void count_lines(char *line, int size)
{
	if (size <= 0)
		return;

	if (line[0] == '+')
		add_lines++;

	else if (line[0] == '-')
		rem_lines++;
}

static void inspect_files(struct diff_filepair *pair)
{
	unsigned long old_size = 0;
	unsigned long new_size = 0;
	int binary = 0;

	files++;
	if (ctx.repo->enable_log_linecount)
		cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size,
				&new_size, &binary, 0, ctx.qry.ignorews,
				count_lines);
}

void show_commit_decorations(struct commit *commit)
{
	struct name_decoration *deco;
	static char buf[1024];

	buf[sizeof(buf) - 1] = 0;
	deco = lookup_decoration(&name_decoration, &commit->object);
	while (deco) {
		if (!prefixcmp(deco->name, "refs/heads/")) {
			strncpy(buf, deco->name + 11, sizeof(buf) - 1);
			cgit_log_link(buf, NULL, "branch-deco", buf, NULL,
				      ctx.qry.vpath, 0, NULL, NULL,
				      ctx.qry.showmsg);
		}
		else if (!prefixcmp(deco->name, "tag: refs/tags/")) {
			strncpy(buf, deco->name + 15, sizeof(buf) - 1);
			cgit_tag_link(buf, NULL, "tag-deco", ctx.qry.head, buf);
		}
		else if (!prefixcmp(deco->name, "refs/tags/")) {
			strncpy(buf, deco->name + 10, sizeof(buf) - 1);
			cgit_tag_link(buf, NULL, "tag-deco", ctx.qry.head, buf);
		}
		else if (!prefixcmp(deco->name, "refs/remotes/")) {
			if (!ctx.repo->enable_remote_branches)
				goto next;
			strncpy(buf, deco->name + 13, sizeof(buf) - 1);
			cgit_log_link(buf, NULL, "remote-deco", NULL,
				      sha1_to_hex(commit->object.sha1),
				      ctx.qry.vpath, 0, NULL, NULL,
				      ctx.qry.showmsg);
		}
		else {
			strncpy(buf, deco->name, sizeof(buf) - 1);
			cgit_commit_link(buf, NULL, "deco", ctx.qry.head,
					 sha1_to_hex(commit->object.sha1),
					 ctx.qry.vpath, 0);
		}
next:
		deco = deco->next;
	}
}

static void print_commit(struct commit *commit, struct rev_info *revs)
{
	struct commitinfo *info;
	int cols = revs->graph ? 3 : 2;
	struct strbuf graphbuf = STRBUF_INIT;
	struct strbuf msgbuf = STRBUF_INIT;

	if (ctx.repo->enable_log_filecount)
		cols++;
	if (ctx.repo->enable_log_linecount)
		cols++;

	if (revs->graph) {
		/* Advance graph until current commit */
		while (!graph_next_line(revs->graph, &graphbuf)) {
			/* Print graph segment in otherwise empty table row */
			html("<tr class='nohover'><td class='commitgraph'>");
			html(graphbuf.buf);
			htmlf("</td><td colspan='%d' /></tr>\n", cols);
			strbuf_setlen(&graphbuf, 0);
		}
		/* Current commit's graph segment is now ready in graphbuf */
	}

	info = cgit_parse_commit(commit);
	htmlf("<tr%s>", ctx.qry.showmsg ? " class='logheader'" : "");

	if (revs->graph) {
		/* Print graph segment for current commit */
		html("<td class='commitgraph'>");
		html(graphbuf.buf);
		html("</td>");
		strbuf_setlen(&graphbuf, 0);
	}
	else {
		html("<td>");
		cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
		html("</td>");
	}

	htmlf("<td%s>", ctx.qry.showmsg ? " class='logsubject'" : "");
	if (ctx.qry.showmsg) {
		/* line-wrap long commit subjects instead of truncating them */
		size_t subject_len = strlen(info->subject);

		if (subject_len > ctx.cfg.max_msg_len &&
		    ctx.cfg.max_msg_len >= 15) {
			/* symbol for signaling line-wrap (in PAGE_ENCODING) */
			const char wrap_symbol[] = { ' ', 0xE2, 0x86, 0xB5, 0 };
			int i = ctx.cfg.max_msg_len - strlen(wrap_symbol);

			/* Rewind i to preceding space character */
			while (i > 0 && !isspace(info->subject[i]))
				--i;
			if (!i) /* Oops, zero spaces. Reset i */
				i = ctx.cfg.max_msg_len - strlen(wrap_symbol);

			/* add remainder starting at i to msgbuf */
			strbuf_add(&msgbuf, info->subject + i, subject_len - i);
			strbuf_trim(&msgbuf);
			strbuf_add(&msgbuf, "\n\n", 2);

			/* Place wrap_symbol at position i in info->subject */
			strcpy(info->subject + i, wrap_symbol);
		}
	}
	cgit_commit_link(info->subject, NULL, NULL, ctx.qry.head,
			 sha1_to_hex(commit->object.sha1), ctx.qry.vpath, 0);
	show_commit_decorations(commit);
	html("</td><td>");
	html_txt(info->author);

	if (revs->graph) {
		html("</td><td>");
		cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
	}

	if (ctx.repo->enable_log_filecount || ctx.repo->enable_log_linecount) {
		files = 0;
		add_lines = 0;
		rem_lines = 0;
		cgit_diff_commit(commit, inspect_files, ctx.qry.vpath);
	}

	if (ctx.repo->enable_log_filecount)
		htmlf("</td><td>%d", files);
	if (ctx.repo->enable_log_linecount)
		htmlf("</td><td>-%d/+%d", rem_lines, add_lines);

	html("</td></tr>\n");

	if (revs->graph || ctx.qry.showmsg) { /* Print a second table row */
		html("<tr class='nohover'>");

		if (ctx.qry.showmsg) {
			/* Concatenate commit message + notes in msgbuf */
			if (info->msg && *(info->msg)) {
				strbuf_addstr(&msgbuf, info->msg);
				strbuf_addch(&msgbuf, '\n');
			}
			format_note(NULL, commit->object.sha1, &msgbuf,
			            PAGE_ENCODING,
			            NOTES_SHOW_HEADER | NOTES_INDENT);
			strbuf_addch(&msgbuf, '\n');
			strbuf_ltrim(&msgbuf);
		}

		if (revs->graph) {
			int lines = 0;

			/* Calculate graph padding */
			if (ctx.qry.showmsg) {
				/* Count #lines in commit message + notes */
				const char *p = msgbuf.buf;
				lines = 1;
				while ((p = strchr(p, '\n'))) {
					p++;
					lines++;
				}
			}

			/* Print graph padding */
			html("<td class='commitgraph'>");
			while (lines > 0 || !graph_is_commit_finished(revs->graph)) {
				if (graphbuf.len)
					html("\n");
				strbuf_setlen(&graphbuf, 0);
				graph_next_line(revs->graph, &graphbuf);
				html(graphbuf.buf);
				lines--;
			}
			html("</td>\n");
		}
		else
			html("<td/>"); /* Empty 'Age' column */

		/* Print msgbuf into remainder of table row */
		htmlf("<td colspan='%d'%s>\n", cols,
			ctx.qry.showmsg ? " class='logmsg'" : "");
		html_txt(msgbuf.buf);
		html("</td></tr>\n");
	}

	strbuf_release(&msgbuf);
	strbuf_release(&graphbuf);
	cgit_free_commitinfo(info);
}

static const char *disambiguate_ref(const char *ref)
{
	unsigned char sha1[20];
	const char *longref;

	longref = fmt("refs/heads/%s", ref);
	if (get_sha1(longref, sha1) == 0)
		return longref;

	return ref;
}

static char *next_token(char **src)
{
	char *result;

	if (!src || !*src)
		return NULL;
	while (isspace(**src))
		(*src)++;
	if (!**src)
		return NULL;
	result = *src;
	while (**src) {
		if (isspace(**src)) {
			**src = '\0';
			(*src)++;
			break;
		}
		(*src)++;
	}
	return result;
}

void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern,
		    char *path, int pager, int commit_graph, int commit_sort)
{
	struct rev_info rev;
	struct commit *commit;
	struct vector vec = VECTOR_INIT(char *);
	int i, columns = 3;
	char *arg;

	/* First argv is NULL */
	vector_push(&vec, NULL, 0);

	if (!tip)
		tip = ctx.qry.head;
	tip = disambiguate_ref(tip);
	vector_push(&vec, &tip, 0);

	if (grep && pattern && *pattern) {
		pattern = xstrdup(pattern);
		if (!strcmp(grep, "grep") || !strcmp(grep, "author") ||
		    !strcmp(grep, "committer")) {
			arg = fmt("--%s=%s", grep, pattern);
			vector_push(&vec, &arg, 0);
		}
		if (!strcmp(grep, "range")) {
			/* Split the pattern at whitespace and add each token
			 * as a revision expression. Do not accept other
			 * rev-list options. Also, replace the previously
			 * pushed tip (it's no longer relevant).
			 */
			vec.count--;
			while ((arg = next_token(&pattern))) {
				if (*arg == '-') {
					fprintf(stderr, "Bad range expr: %s\n",
						arg);
					break;
				}
				vector_push(&vec, &arg, 0);
			}
		}
	}
	if (commit_graph) {
		static const char *graph_arg = "--graph";
		static const char *color_arg = "--color";
		vector_push(&vec, &graph_arg, 0);
		vector_push(&vec, &color_arg, 0);
		graph_set_column_colors(column_colors_html,
					COLUMN_COLORS_HTML_MAX);
	}

	if (commit_sort == 1) {
		static const char *date_order_arg = "--date-order";
		vector_push(&vec, &date_order_arg, 0);
	} else if (commit_sort == 2) {
		static const char *topo_order_arg = "--topo-order";
		vector_push(&vec, &topo_order_arg, 0);
	}

	if (path) {
		arg = "--";
		vector_push(&vec, &arg, 0);
		vector_push(&vec, &path, 0);
	}

	/* Make sure the vector is NULL-terminated */
	vector_push(&vec, NULL, 0);
	vec.count--;

	init_revisions(&rev, NULL);
	rev.abbrev = DEFAULT_ABBREV;
	rev.commit_format = CMIT_FMT_DEFAULT;
	rev.verbose_header = 1;
	rev.show_root_diff = 0;
	setup_revisions(vec.count, vec.data, &rev, NULL);
	load_ref_decorations(DECORATE_FULL_REFS);
	rev.show_decorations = 1;
	rev.grep_filter.regflags |= REG_ICASE;
	compile_grep_patterns(&rev.grep_filter);
	prepare_revision_walk(&rev);

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

	html("<tr class='nohover'>");
	if (commit_graph)
		html("<th></th>");
	else
		html("<th class='left'>Age</th>");
	html("<th class='left'>Commit message");
	if (pager) {
		html(" (");
		cgit_log_link(ctx.qry.showmsg ? "Collapse" : "Expand", NULL,
			      NULL, ctx.qry.head, ctx.qry.sha1,
			      ctx.qry.vpath, ctx.qry.ofs, ctx.qry.grep,
			      ctx.qry.search, ctx.qry.showmsg ? 0 : 1);
		html(")");
	}
	html("</th><th class='left'>Author</th>");
	if (commit_graph)
		html("<th class='left'>Age</th>");
	if (ctx.repo->enable_log_filecount) {
		html("<th class='left'>Files</th>");
		columns++;
	}
	if (ctx.repo->enable_log_linecount) {
		html("<th class='left'>Lines</th>");
		columns++;
	}
	html("</tr>\n");

	if (ofs<0)
		ofs = 0;

	for (i = 0; i < ofs && (commit = get_revision(&rev)) != NULL; i++) {
		free(commit->buffer);
		commit->buffer = NULL;
		free_commit_list(commit->parents);
		commit->parents = NULL;
	}

	for (i = 0; i < cnt && (commit = get_revision(&rev)) != NULL; i++) {
		print_commit(commit, &rev);
		free(commit->buffer);
		commit->buffer = NULL;
		free_commit_list(commit->parents);
		commit->parents = NULL;
	}
	if (pager) {
		html("</table><div class='pager'>");
		if (ofs > 0) {
			cgit_log_link("[prev]", NULL, NULL, ctx.qry.head,
				      ctx.qry.sha1, ctx.qry.vpath,
				      ofs - cnt, ctx.qry.grep,
				      ctx.qry.search, ctx.qry.showmsg);
			html("&nbsp;");
		}
		if ((commit = get_revision(&rev)) != NULL) {
			cgit_log_link("[next]", NULL, NULL, ctx.qry.head,
				      ctx.qry.sha1, ctx.qry.vpath,
				      ofs + cnt, ctx.qry.grep,
				      ctx.qry.search, ctx.qry.showmsg);
		}
		html("</div>");
	} else if ((commit = get_revision(&rev)) != NULL) {
		html("<tr class='nohover'><td colspan='3'>");
		cgit_log_link("[...]", NULL, NULL, ctx.qry.head, NULL,
			      ctx.qry.vpath, 0, NULL, NULL, ctx.qry.showmsg);
		html("</td></tr>\n");
	}
}