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first part of opencvs remote, fairly useable on existing trees
although i advise against using it on real development trees for now.

only a few commands work right so far:
- commit
- diff
- status
- log
- update (partially working)

if you feel like testing remote and run into bugs feel free to
contact me, and please include a full trace (-t).

/*	$OpenBSD: getlog.c,v 1.65 2006/07/07 17:37:17 joris Exp $	*/
/*
 * Copyright (c) 2006 Joris Vink <joris@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 "includes.h"

#include "cvs.h"
#include "diff.h"
#include "log.h"
#include "remote.h"

#define LOG_REVSEP \
"----------------------------"

#define LOG_REVEND \
 "============================================================================="

void	cvs_log_local(struct cvs_file *);

char 	*logrev = NULL;

struct cvs_cmd cvs_cmd_log = {
	CVS_OP_LOG, 0, "log",
	{ "lo" },
	"Print out history information for files",
	"[-bhlNRt] [-d dates] [-r revisions] [-s states] [-w logins]",
	"bd:hlNRr:s:tw:",
	NULL,
	cvs_getlog
};

int
cvs_getlog(int argc, char **argv)
{
	int ch;
	int flags;
	char *arg = ".";
	struct cvs_recursion cr;

	rcsnum_flags |= RCSNUM_NO_MAGIC;
	flags = CR_RECURSE_DIRS;

	while ((ch = getopt(argc, argv, cvs_cmd_log.cmd_opts)) != -1) {
		switch (ch) {
		case 'l':
			flags &= ~CR_RECURSE_DIRS;
			break;
		case 'r':
			logrev = optarg;
			break;
		default:
			fatal("%s", cvs_cmd_log.cmd_synopsis);
		}
	}

	argc -= optind;
	argv += optind;

	cr.enterdir = NULL;
	cr.leavedir = NULL;

	if (current_cvsroot->cr_method != CVS_METHOD_LOCAL) {
		cr.fileproc = cvs_client_sendfile;

		if (!(flags & CR_RECURSE_DIRS))
			cvs_client_send_request("Argument -l");

		if (logrev != NULL)
			cvs_client_send_request("Argument -r%s", logrev);
	} else {
		cr.fileproc = cvs_log_local;
	}

	cr.flags = flags;

	if (argc > 0)
		cvs_file_run(argc, argv, &cr);
	else
		cvs_file_run(1, &arg, &cr);

	if (current_cvsroot->cr_method != CVS_METHOD_LOCAL) {
		cvs_client_send_files(argv, argc);
		cvs_client_senddir(".");
		cvs_client_send_request("log");
		cvs_client_get_responses();
	}

	return (0);
}

void
cvs_log_local(struct cvs_file *cf)
{
	u_int nrev;
	struct rcs_sym *sym;
	struct rcs_lock *lkp;
	struct rcs_delta *rdp;
	struct rcs_access *acp;
	char numb[32], timeb[32];

	cvs_log(LP_TRACE, "cvs_log_local(%s)", cf->file_path);

	cvs_file_classify(cf, NULL, 0);

	if (cf->file_status == FILE_UNKNOWN) {
		if (verbosity > 0)
			cvs_log(LP_ERR, "nothing known about %s",
			    cf->file_path);
		return;
	} else if (cf->file_status == FILE_ADDED) {
		if (verbosity > 0)
			cvs_log(LP_ERR, "%s has been added, but not committed",
			    cf->file_path);
		return;
	}

	if (cf->file_type == CVS_DIR) {
		if (verbosity > 1)
			cvs_log(LP_NOTICE, "Logging %s", cf->file_path);
		return;
	}

	cvs_printf("\nRCS file: %s", cf->file_rpath);
	cvs_printf("\nWorking file: %s", cf->file_path);
	cvs_printf("\nhead:");
	if (cf->file_rcs->rf_head != NULL)
		cvs_printf(" %s", rcsnum_tostr(cf->file_rcs->rf_head,
		    numb, sizeof(numb)));

	cvs_printf("\nbranch:");
	if (rcs_branch_get(cf->file_rcs) != NULL) {
		cvs_printf(" %s", rcsnum_tostr(rcs_branch_get(cf->file_rcs),
		    numb, sizeof(numb)));
	}

	cvs_printf("\nlocks: %s", (cf->file_rcs->rf_flags & RCS_SLOCK)
	    ? "strict" : "");
	TAILQ_FOREACH(lkp, &(cf->file_rcs->rf_locks), rl_list)
		cvs_printf("\n\t%s: %s", lkp->rl_name,
		    rcsnum_tostr(lkp->rl_num, numb, sizeof(numb)));

	cvs_printf("\naccess list:\n");
	TAILQ_FOREACH(acp, &(cf->file_rcs->rf_access), ra_list)
		cvs_printf("\t%s\n", acp->ra_name);

	cvs_printf("symbolic names:\n");
	TAILQ_FOREACH(sym, &(cf->file_rcs->rf_symbols), rs_list) {
		cvs_printf("\t%s: %s\n", sym->rs_name,
		    rcsnum_tostr(sym->rs_num, numb, sizeof(numb)));
	}

	cvs_printf("keyword substitution: %s\n",
	    cf->file_rcs->rf_expand == NULL ? "kv" : cf->file_rcs->rf_expand);

	cvs_printf("total revisions: %u", cf->file_rcs->rf_ndelta);

	if (logrev != NULL)
		nrev = cvs_revision_select(cf->file_rcs, logrev);
	else
		nrev = cf->file_rcs->rf_ndelta;

	cvs_printf(";\tselected revisions: %u", nrev);
	cvs_printf("\n");
	cvs_printf("description:\n%s", cf->file_rcs->rf_desc);

	TAILQ_FOREACH(rdp, &(cf->file_rcs->rf_delta), rd_list) {
		if (logrev != NULL &&
		    !(rdp->rd_flags & RCS_RD_SELECT))
			continue;

		cvs_printf("%s\n", LOG_REVSEP);

		rcsnum_tostr(rdp->rd_num, numb, sizeof(numb));
		cvs_printf("revision %s", numb);

		strftime(timeb, sizeof(timeb), "%Y/%m/%d %H:%M:%S",
		    &rdp->rd_date);
		cvs_printf("\ndate: %s;  author: %s;  state: %s;\n", timeb,
		    rdp->rd_author, rdp->rd_state);
		cvs_printf("%s", rdp->rd_log);
	}

	cvs_printf("%s\n", LOG_REVEND);
}