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/* $OpenBSD: history.c,v 1.43 2015/11/05 09:48:21 nicm Exp $ */
/*
* Copyright (c) 2007 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 <sys/stat.h>
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <pwd.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "cvs.h"
#include "remote.h"
void cvs_history_local(struct cvs_file *);
static void history_compress(char *, const char *);
struct cvs_cmd cvs_cmd_history = {
CVS_OP_HISTORY, CVS_USE_WDIR, "history",
{ "hi", "his" }, /* omghi2you */
"Display history of actions done in the base repository",
"[-ac]",
"ac",
NULL,
cvs_history
};
/* keep in sync with the defines for history stuff in cvs.h */
const char historytab[] = {
'T',
'O',
'E',
'F',
'W',
'U',
'G',
'C',
'M',
'A',
'R',
'\0'
};
#define HISTORY_ALL_USERS 0x01
#define HISTORY_DISPLAY_ARCHIVED 0x02
void
cvs_history_add(int type, struct cvs_file *cf, const char *argument)
{
BUF *buf;
FILE *fp;
RCSNUM *hrev;
size_t len;
int fd;
char *cwd, *p, *rev;
char revbuf[CVS_REV_BUFSZ], repo[PATH_MAX], fpath[PATH_MAX];
char timebuf[CVS_TIME_BUFSZ];
struct tm datetm;
if (cvs_nolog == 1)
return;
if (cvs_cmdop == CVS_OP_CHECKOUT || cvs_cmdop == CVS_OP_EXPORT) {
if (type != CVS_HISTORY_CHECKOUT &&
type != CVS_HISTORY_EXPORT)
return;
}
cvs_log(LP_TRACE, "cvs_history_add(`%c', `%s', `%s')",
historytab[type], (cf != NULL) ? cf->file_name : "", argument);
/* construct repository field */
if (cvs_cmdop != CVS_OP_CHECKOUT && cvs_cmdop != CVS_OP_EXPORT) {
cvs_get_repository_name((cf != NULL) ? cf->file_wd : ".",
repo, sizeof(repo));
} else {
cvs_get_repository_name(argument, repo, sizeof(repo));
}
if (cvs_server_active == 1) {
cwd = "<remote>";
} else {
if (getcwd(fpath, sizeof(fpath)) == NULL)
fatal("cvs_history_add: getcwd: %s", strerror(errno));
p = fpath;
if (cvs_cmdop == CVS_OP_CHECKOUT ||
cvs_cmdop == CVS_OP_EXPORT) {
if (strlcat(fpath, "/", sizeof(fpath)) >=
sizeof(fpath) || strlcat(fpath, argument,
sizeof(fpath)) >= sizeof(fpath))
fatal("cvs_history_add: string truncation");
}
if (cvs_homedir != NULL && cvs_homedir[0] != '\0') {
len = strlen(cvs_homedir);
if (strncmp(cvs_homedir, fpath, len) == 0 &&
fpath[len] == '/') {
p += len - 1;
*p = '~';
}
}
history_compress(p, repo);
cwd = xstrdup(p);
}
/* construct revision field */
revbuf[0] = '\0';
rev = revbuf;
switch (type) {
case CVS_HISTORY_TAG:
strlcpy(revbuf, argument, sizeof(revbuf));
break;
case CVS_HISTORY_CHECKOUT:
case CVS_HISTORY_EXPORT:
/*
* buf_alloc uses xcalloc(), so we are safe even
* if neither cvs_specified_tag nor cvs_specified_date
* have been supplied.
*/
buf = buf_alloc(128);
if (cvs_specified_tag != NULL) {
buf_puts(buf, cvs_specified_tag);
if (cvs_specified_date != -1)
buf_putc(buf, ':');
}
if (cvs_specified_date != -1) {
gmtime_r(&cvs_specified_date, &datetm);
strftime(timebuf, sizeof(timebuf),
"%Y.%m.%d.%H.%M.%S", &datetm);
buf_puts(buf, timebuf);
}
rev = buf_release(buf);
break;
case CVS_HISTORY_UPDATE_MERGED:
case CVS_HISTORY_UPDATE_MERGED_ERR:
case CVS_HISTORY_COMMIT_MODIFIED:
case CVS_HISTORY_COMMIT_ADDED:
case CVS_HISTORY_COMMIT_REMOVED:
case CVS_HISTORY_UPDATE_CO:
if ((hrev = rcs_head_get(cf->file_rcs)) == NULL)
fatal("cvs_history_add: rcs_head_get failed");
rcsnum_tostr(hrev, revbuf, sizeof(revbuf));
rcsnum_free(hrev);
break;
}
(void)xsnprintf(fpath, sizeof(fpath), "%s/%s",
current_cvsroot->cr_dir, CVS_PATH_HISTORY);
if ((fd = open(fpath, O_WRONLY|O_APPEND)) == -1) {
if (errno != ENOENT)
cvs_log(LP_ERR, "failed to open history file");
} else {
if ((fp = fdopen(fd, "a")) != NULL) {
fprintf(fp, "%c%08llx|%s|%s|%s|%s|%s\n",
historytab[type], (long long)time(NULL),
getlogin(), cwd, repo, rev,
(cf != NULL) ? cf->file_name : argument);
(void)fclose(fp);
} else {
cvs_log(LP_ERR, "failed to add entry to history file");
(void)close(fd);
}
}
if (rev != revbuf)
free(rev);
if (cvs_server_active != 1)
free(cwd);
}
static void
history_compress(char *wdir, const char *repo)
{
char *p;
const char *q;
size_t repo_len, wdir_len;
repo_len = strlen(repo);
wdir_len = strlen(wdir);
p = wdir + wdir_len;
q = repo + repo_len;
while (p >= wdir && q >= repo) {
if (*p != *q)
break;
p--;
q--;
}
p++;
q++;
/* if it's not worth the effort, skip compression */
if (repo + repo_len - q < 3)
return;
(void)xsnprintf(p, strlen(p) + 1, "*%zx", q - repo);
}
int
cvs_history(int argc, char **argv)
{
int ch, flags;
flags = 0;
while ((ch = getopt(argc, argv, cvs_cmd_history.cmd_opts)) != -1) {
switch (ch) {
case 'a':
flags |= HISTORY_ALL_USERS;
break;
case 'c':
flags |= HISTORY_DISPLAY_ARCHIVED;
break;
default:
fatal("%s", cvs_cmd_history.cmd_synopsis);
}
}
argc -= optind;
argv += optind;
return (0);
}
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