commit 9f7d7167e8b3d62111fe8b928c3a41094c6d004c
from: Stefan Sperling <stsp@stsp.name>
date: Sun Apr 29 11:45:53 2018 UTC

add skeleton for tog(1)

commit - 0c048b1581c5801a4fd5bf5b68d120bf8ed430a0
commit + 9f7d7167e8b3d62111fe8b928c3a41094c6d004c
blob - /dev/null
blob + 32ef4f60f86dd8444f47226580f56befe43bd4b9 (mode 644)
--- /dev/null
+++ tog/Makefile
@@ -0,0 +1,27 @@
+.PATH:${.CURDIR}/../lib
+
+PROG=		tog
+SRCS=		tog.c error.c
+
+CPPFLAGS = -I${.CURDIR}/../include -I${.CURDIR}/../lib
+LDADD = -lpanel -lcurses -lutil -lz
+DPADD = ${LIBZ} ${LIBUTIL}
+.if defined(PROFILE)
+CC = gcc
+CPPFLAGS += -DPROFILE
+DEBUG = -O0 -pg
+.else
+DEBUG = -O0 -g
+.endif
+CFLAGS += -Werror -Wall -Wstrict-prototypes -Wunused-variable
+
+# For now, default to installing binary in ~/bin
+GROUP!=id -g -n
+install:
+	${INSTALL} ${INSTALL_COPY} -o ${USER} -g ${GROUP} \
+	-m ${BINMODE} ${PROG} ${HOME}/bin/${PROG}
+
+# Don't install man pages yet
+NOMAN = Yes
+
+.include <bsd.prog.mk>
blob - /dev/null
blob + a8f5dbd3311889f67f5115b5a71a36ad83b8779c (mode 644)
--- /dev/null
+++ tog/tog.c
@@ -0,0 +1,203 @@
+/*
+ * Copyright (c) 2018 Stefan Sperling <stsp@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <curses.h>
+#include <panel.h>
+#include <locale.h>
+#include <stdlib.h>
+#include <getopt.h>
+#include <string.h>
+#include <err.h>
+
+#include "got_error.h"
+
+#ifndef nitems
+#define nitems(_a)	(sizeof((_a)) / sizeof((_a)[0]))
+#endif
+
+enum tog_view_id {
+	TOG_VIEW_LOG,
+	TOG_VIEW_DIFF,
+	TOG_VIEW_BLAME,
+};
+
+struct tog_cmd {
+	const char *cmd_name;
+	const struct got_error *(*cmd_main)(int, char *[]);
+	void (*cmd_usage)(void);
+	enum tog_view_id view;
+	const char *cmd_descr;
+};
+
+__dead void	usage(void);
+__dead void	usage_log(void);
+__dead void	usage_diff(void);
+__dead void	usage_blame(void);
+
+const struct got_error*	cmd_log(int, char *[]);
+const struct got_error*	cmd_diff(int, char *[]);
+const struct got_error*	cmd_blame(int, char *[]);
+
+struct tog_cmd tog_commands[] = {
+	{ "log",	cmd_log,	usage_log,	TOG_VIEW_LOG,
+	    "show repository history" },
+	{ "diff",	cmd_diff,	usage_diff,	TOG_VIEW_DIFF,
+	    "compare files and directories" },
+	{ "blame",	cmd_blame,	usage_blame,	TOG_VIEW_BLAME,
+	    "show line-by-line file history" },
+};
+
+/* globals */
+enum tog_view_id tog_view_id;
+WINDOW *tog_main_win;
+PANEL *tog_main_panel;
+
+__dead void
+usage_log(void)
+{
+	fprintf(stderr, "usage: %s log [repository-path]\n",
+	    getprogname());
+	exit(1);
+}
+
+const struct got_error *
+cmd_log(int argc, char *argv[])
+{
+	return got_error(GOT_ERR_NOT_IMPL);
+}
+
+__dead void
+usage_diff(void)
+{
+	fprintf(stderr, "usage: %s diff [repository-path] object1 object2\n",
+	    getprogname());
+	exit(1);
+}
+
+const struct got_error *
+cmd_diff(int argc, char *argv[])
+{
+	return got_error(GOT_ERR_NOT_IMPL);
+}
+
+__dead void
+usage_blame(void)
+{
+	fprintf(stderr, "usage: %s blame [repository-path] blob-object\n",
+	    getprogname());
+	exit(1);
+}
+
+const struct got_error *
+cmd_blame(int argc, char *argv[])
+{
+	return got_error(GOT_ERR_NOT_IMPL);
+}
+
+static const struct got_error *
+init_curses(void)
+{
+	initscr();
+	cbreak();
+	noecho();
+	nonl();
+	intrflush(stdscr, FALSE);
+	keypad(stdscr, TRUE);
+
+	tog_main_win = newwin(0, 0, 0, 0);
+	if (tog_main_win == NULL)
+		return got_error_from_errno();
+	tog_main_panel = new_panel(tog_main_win);
+	if (tog_main_panel == NULL)
+		return got_error_from_errno();
+
+	return NULL;
+}
+
+__dead void
+usage(void)
+{
+	int i;
+
+	fprintf(stderr, "usage: %s [-h] command [arg ...]\n\n"
+	    "Available commands:\n", getprogname());
+	for (i = 0; i < nitems(tog_commands); i++) {
+		struct tog_cmd *cmd = &tog_commands[i];
+		fprintf(stderr, "    %s: %s\n", cmd->cmd_name, cmd->cmd_descr);
+	}
+	exit(1);
+}
+
+int
+main(int argc, char *argv[])
+{
+	const struct got_error *error = NULL;
+	struct tog_cmd *cmd = NULL;
+	int ch, hflag = 0;
+
+	setlocale(LC_ALL, "");
+
+	while ((ch = getopt(argc, argv, "h")) != -1) {
+		switch (ch) {
+		case 'h':
+			hflag = 1;
+			break;
+		default:
+			usage();
+			/* NOTREACHED */
+		}
+	}
+
+	argc -= optind;
+	argv += optind;
+	optind = 0;
+
+	if (argc == 0)
+		cmd = &tog_commands[0];
+	else {
+		int i;
+
+		for (i = 0; i < nitems(tog_commands); i++) {
+			if (strncmp(tog_commands[i].cmd_name, argv[0],
+			    strlen(argv[0])) == 0) {
+				cmd = &tog_commands[i];
+				if (hflag)
+					tog_commands[i].cmd_usage();
+				break;
+			}
+		}
+		if (cmd == NULL) {
+			fprintf(stderr, "%s: unknown command '%s'\n",
+			    getprogname(), argv[0]);
+			return 1;
+		}
+	}
+
+	error = init_curses();
+	if (error) {
+		fprintf(stderr, "Cannot initialize ncurses: %s\n", error->msg);
+		return 1;
+	}
+
+	error = cmd->cmd_main(argc, argv);
+	if (error)
+		goto done;
+done:
+	endwin();
+	if (error)
+		fprintf(stderr, "%s: %s\n", getprogname(), error->msg);
+	return 0;
+}