File: [local] / src / usr.bin / cvs / checkout.c (download)
Revision 1.172, Mon Oct 19 19:51:20 2020 UTC (3 years, 7 months ago) by naddy
Branch: MAIN
CVS Tags: OPENBSD_7_5_BASE, OPENBSD_7_5, OPENBSD_7_4_BASE, OPENBSD_7_4, OPENBSD_7_3_BASE, OPENBSD_7_3, OPENBSD_7_2_BASE, OPENBSD_7_2, OPENBSD_7_1_BASE, OPENBSD_7_1, OPENBSD_7_0_BASE, OPENBSD_7_0, OPENBSD_6_9_BASE, OPENBSD_6_9, HEAD Changes since 1.171: +25 -9 lines
Accommodate POSIX basename(3) that takes a non-const parameter and
may modify the string buffer.
ok florian@ millert@
|
/* $OpenBSD: checkout.c,v 1.172 2020/10/19 19:51:20 naddy 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 <sys/types.h>
#include <sys/dirent.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <errno.h>
#include <fcntl.h>
#include <libgen.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include "cvs.h"
#include "diff.h"
#include "remote.h"
static void checkout_check_repository(int, char **);
static int checkout_classify(const char *, const char *);
static void checkout_repository(const char *, const char *);
extern int print_stdout;
extern int prune_dirs;
extern int build_dirs;
static int flags = CR_REPO | CR_RECURSE_DIRS;
static int Aflag = 0;
static char *dflag = NULL;
static char *koptstr = NULL;
static char *dateflag = NULL;
static int nflag = 0;
char *checkout_target_dir = NULL;
time_t cvs_specified_date = -1;
time_t cvs_directory_date = -1;
int disable_fast_checkout = 0;
struct cvs_cmd cvs_cmd_checkout = {
CVS_OP_CHECKOUT, CVS_USE_WDIR, "checkout",
{ "co", "get" },
"Checkout a working copy of a repository",
"[-AcflNnPpRs] [-D date | -r tag] [-d dir] [-j rev] [-k mode] "
"[-t id] module ...",
"AcD:d:fj:k:lNnPpRr:st:",
NULL,
cvs_checkout
};
struct cvs_cmd cvs_cmd_export = {
CVS_OP_EXPORT, CVS_USE_WDIR, "export",
{ "exp", "ex" },
"Export sources from CVS, similar to checkout",
"[-flNnR] [-d dir] [-k mode] -D date | -r rev module ...",
"D:d:k:flNnRr:",
NULL,
cvs_export
};
int
cvs_checkout(int argc, char **argv)
{
int ch;
while ((ch = getopt(argc, argv, cvs_cmd_checkout.cmd_opts)) != -1) {
switch (ch) {
case 'A':
Aflag = 1;
if (koptstr == NULL)
reset_option = 1;
if (cvs_specified_tag == NULL)
reset_tag = 1;
break;
case 'c':
cvs_modules_list();
exit(0);
case 'D':
dateflag = optarg;
if ((cvs_specified_date = date_parse(dateflag)) == -1)
fatal("invalid date: %s", dateflag);
reset_tag = 0;
break;
case 'd':
if (dflag != NULL)
fatal("-d specified two or more times");
dflag = optarg;
checkout_target_dir = dflag;
if (cvs_server_active == 1)
disable_fast_checkout = 1;
break;
case 'j':
if (cvs_join_rev1 == NULL)
cvs_join_rev1 = optarg;
else if (cvs_join_rev2 == NULL)
cvs_join_rev2 = optarg;
else
fatal("too many -j options");
break;
case 'k':
reset_option = 0;
koptstr = optarg;
kflag = rcs_kflag_get(koptstr);
if (RCS_KWEXP_INVAL(kflag)) {
cvs_log(LP_ERR,
"invalid RCS keyword expansion mode");
fatal("%s", cvs_cmd_checkout.cmd_synopsis);
}
break;
case 'l':
flags &= ~CR_RECURSE_DIRS;
break;
case 'N':
break;
case 'n':
nflag = 1;
break;
case 'P':
prune_dirs = 1;
break;
case 'p':
cmdp->cmd_flags &= ~CVS_USE_WDIR;
print_stdout = 1;
cvs_noexec = 1;
nflag = 1;
break;
case 'R':
flags |= CR_RECURSE_DIRS;
break;
case 'r':
reset_tag = 0;
cvs_specified_tag = optarg;
break;
default:
fatal("%s", cvs_cmd_checkout.cmd_synopsis);
}
}
argc -= optind;
argv += optind;
if (argc == 0)
fatal("%s", cvs_cmd_checkout.cmd_synopsis);
if (cvs_server_active == 1 && disable_fast_checkout != 1) {
cmdp->cmd_flags &= ~CVS_USE_WDIR;
cvs_noexec = 1;
}
checkout_check_repository(argc, argv);
if (cvs_server_active == 1 && disable_fast_checkout != 1)
cvs_noexec = 0;
return (0);
}
int
cvs_export(int argc, char **argv)
{
int ch;
prune_dirs = 1;
while ((ch = getopt(argc, argv, cvs_cmd_export.cmd_opts)) != -1) {
switch (ch) {
case 'd':
if (dflag != NULL)
fatal("-d specified two or more times");
dflag = optarg;
checkout_target_dir = dflag;
if (cvs_server_active == 1)
disable_fast_checkout = 1;
break;
case 'k':
koptstr = optarg;
kflag = rcs_kflag_get(koptstr);
if (RCS_KWEXP_INVAL(kflag)) {
cvs_log(LP_ERR,
"invalid RCS keyword expansion mode");
fatal("%s", cvs_cmd_export.cmd_synopsis);
}
break;
case 'l':
flags &= ~CR_RECURSE_DIRS;
break;
case 'N':
break;
case 'R':
flags |= CR_RECURSE_DIRS;
break;
case 'r':
cvs_specified_tag = optarg;
break;
default:
fatal("%s", cvs_cmd_export.cmd_synopsis);
}
}
argc -= optind;
argv += optind;
if (cvs_specified_tag == NULL)
fatal("must specify a tag or date");
if (argc == 0)
fatal("%s", cvs_cmd_export.cmd_synopsis);
checkout_check_repository(argc, argv);
return (0);
}
static void
checkout_check_repository(int argc, char **argv)
{
int i;
char *wdir, *d;
struct cvs_recursion cr;
struct module_checkout *mc;
struct cvs_ignpat *ip;
struct cvs_filelist *fl, *nxt;
char repo[PATH_MAX], fpath[PATH_MAX], path[PATH_MAX], *f[1];
build_dirs = print_stdout ? 0 : 1;
if (cvsroot_is_remote()) {
cvs_client_connect_to_server();
if (cvs_specified_tag != NULL)
cvs_client_send_request("Argument -r%s",
cvs_specified_tag);
if (Aflag)
cvs_client_send_request("Argument -A");
if (dateflag != NULL)
cvs_client_send_request("Argument -D%s", dateflag);
if (kflag)
cvs_client_send_request("Argument -k%s", koptstr);
if (dflag != NULL)
cvs_client_send_request("Argument -d%s", dflag);
if (!(flags & CR_RECURSE_DIRS))
cvs_client_send_request("Argument -l");
if (cvs_cmdop == CVS_OP_CHECKOUT && prune_dirs == 1)
cvs_client_send_request("Argument -P");
if (print_stdout == 1)
cvs_client_send_request("Argument -p");
if (nflag == 1)
cvs_client_send_request("Argument -n");
cr.enterdir = NULL;
cr.leavedir = NULL;
if (print_stdout)
cr.fileproc = NULL;
else
cr.fileproc = cvs_client_sendfile;
flags &= ~CR_REPO;
cr.flags = flags;
if (cvs_cmdop != CVS_OP_EXPORT)
cvs_file_run(argc, argv, &cr);
cvs_client_send_files(argv, argc);
cvs_client_senddir(".");
cvs_client_send_request("%s",
(cvs_cmdop == CVS_OP_CHECKOUT) ? "co" : "export");
cvs_client_get_responses();
return;
}
for (i = 0; i < argc; i++) {
mc = cvs_module_lookup(argv[i]);
current_module = mc;
RB_FOREACH(fl, cvs_flisthead, &(mc->mc_ignores))
cvs_file_ignore(fl->file_path, &checkout_ign_pats);
RB_FOREACH(fl, cvs_flisthead, &(mc->mc_modules)) {
module_repo_root = NULL;
(void)xsnprintf(repo, sizeof(repo), "%s/%s",
current_cvsroot->cr_dir, fl->file_path);
if (!(mc->mc_flags & MODULE_ALIAS) || dflag != NULL)
module_repo_root = xstrdup(fl->file_path);
if (mc->mc_flags & MODULE_NORECURSE)
flags &= ~CR_RECURSE_DIRS;
if (dflag != NULL)
wdir = dflag;
else if (mc->mc_flags & MODULE_ALIAS)
wdir = fl->file_path;
else
wdir = mc->mc_name;
switch (checkout_classify(repo, fl->file_path)) {
case CVS_FILE:
cr.fileproc = cvs_update_local;
cr.flags = flags;
if (!(mc->mc_flags & MODULE_ALIAS)) {
if (strlcpy(path, fl->file_path,
sizeof(path)) >= sizeof(path))
fatal("%s: truncation",
__func__);
module_repo_root =
xstrdup(dirname(path));
d = wdir;
if (strlcpy(path, fl->file_path,
sizeof(path)) >= sizeof(path))
fatal("%s: truncation",
__func__);
(void)xsnprintf(fpath, sizeof(fpath),
"%s/%s", d, basename(path));
} else {
if (strlcpy(path, wdir,
sizeof(path)) >= sizeof(path))
fatal("%s: truncation",
__func__);
d = dirname(path);
strlcpy(fpath, fl->file_path,
sizeof(fpath));
}
if (build_dirs == 1)
cvs_mkpath(d, cvs_specified_tag);
f[0] = fpath;
cvs_file_run(1, f, &cr);
break;
case CVS_DIR:
if (build_dirs == 1)
cvs_mkpath(wdir, cvs_specified_tag);
checkout_repository(repo, wdir);
break;
default:
break;
}
if (nflag != 1 && mc->mc_prog != NULL &&
mc->mc_flags & MODULE_RUN_ON_CHECKOUT)
cvs_exec(mc->mc_prog, NULL, 0);
free(module_repo_root);
}
if (mc->mc_canfree == 1) {
for (fl = RB_MIN(cvs_flisthead, &(mc->mc_modules));
fl != NULL; fl = nxt) {
nxt = RB_NEXT(cvs_flisthead,
&(mc->mc_modules), fl);
RB_REMOVE(cvs_flisthead,
&(mc->mc_modules), fl);
free(fl->file_path);
free(fl);
}
}
while ((ip = TAILQ_FIRST(&checkout_ign_pats)) != NULL) {
TAILQ_REMOVE(&checkout_ign_pats, ip, ip_list);
free(ip);
}
free(mc);
}
}
static int
checkout_classify(const char *repo, const char *arg)
{
char *d, dbuf[PATH_MAX], *f, fbuf[PATH_MAX], fpath[PATH_MAX];
struct stat sb;
if (stat(repo, &sb) == 0) {
if (S_ISDIR(sb.st_mode))
return CVS_DIR;
}
if (strlcpy(dbuf, repo, sizeof(dbuf)) >= sizeof(dbuf))
fatal("checkout_classify: truncation");
d = dirname(dbuf);
if (strlcpy(fbuf, repo, sizeof(fbuf)) >= sizeof(fbuf))
fatal("checkout_classify: truncation");
f = basename(fbuf);
(void)xsnprintf(fpath, sizeof(fpath), "%s/%s%s", d, f, RCS_FILE_EXT);
if (stat(fpath, &sb) == 0) {
if (!S_ISREG(sb.st_mode)) {
cvs_log(LP_ERR, "ignoring %s: not a regular file", arg);
return 0;
}
return CVS_FILE;
}
(void)xsnprintf(fpath, sizeof(fpath), "%s/%s/%s%s",
d, CVS_PATH_ATTIC, f, RCS_FILE_EXT);
if (stat(fpath, &sb) == 0) {
if (!S_ISREG(sb.st_mode)) {
cvs_log(LP_ERR, "ignoring %s: not a regular file", arg);
return 0;
}
return CVS_FILE;
}
cvs_log(LP_ERR, "cannot find module `%s' - ignored", arg);
return 0;
}
static void
checkout_repository(const char *repobase, const char *wdbase)
{
struct cvs_flisthead fl, dl;
struct cvs_recursion cr;
RB_INIT(&fl);
RB_INIT(&dl);
cvs_history_add((cvs_cmdop == CVS_OP_CHECKOUT) ?
CVS_HISTORY_CHECKOUT : CVS_HISTORY_EXPORT, NULL, wdbase);
if (print_stdout) {
cr.enterdir = NULL;
cr.leavedir = NULL;
} else {
cr.enterdir = cvs_update_enterdir;
if (cvs_server_active == 1) {
if (disable_fast_checkout != 1)
cr.leavedir = NULL;
else
cr.leavedir = cvs_update_leavedir;
} else {
cr.leavedir = prune_dirs ? cvs_update_leavedir : NULL;
}
}
cr.fileproc = cvs_update_local;
cr.flags = flags;
cvs_repository_lock(repobase, 0);
cvs_repository_getdir(repobase, wdbase, &fl, &dl,
flags & CR_RECURSE_DIRS ? REPOSITORY_DODIRS : 0);
cvs_file_walklist(&fl, &cr);
cvs_file_freelist(&fl);
cvs_repository_unlock(repobase);
cvs_file_walklist(&dl, &cr);
cvs_file_freelist(&dl);
}
void
cvs_checkout_file(struct cvs_file *cf, RCSNUM *rnum, char *tag, int co_flags)
{
BUF *bp;
mode_t mode;
int cf_kflag, exists;
time_t rcstime;
CVSENTRIES *ent;
struct timeval tv[2];
struct tm datetm;
char *entry, *tosend;
char kbuf[8], sticky[CVS_REV_BUFSZ], rev[CVS_REV_BUFSZ];
char timebuf[CVS_TIME_BUFSZ], tbuf[CVS_TIME_BUFSZ];
static char lastwd[PATH_MAX];
exists = 0;
tosend = NULL;
if (!(co_flags & CO_REMOVE))
rcsnum_tostr(rnum, rev, sizeof(rev));
else
rev[0] = '\0';
cvs_log(LP_TRACE, "cvs_checkout_file(%s, %s, %d) -> %s",
cf->file_path, rev, co_flags,
(cvs_server_active) ? "to client" : "to disk");
if (co_flags & CO_DUMP) {
rcs_rev_write_fd(cf->file_rcs, rnum, STDOUT_FILENO, 0);
return;
}
if (cvs_server_active == 0) {
(void)unlink(cf->file_path);
if (!(co_flags & CO_MERGE)) {
if (cf->file_flags & FILE_ON_DISK) {
exists = 1;
(void)close(cf->fd);
}
cf->fd = open(cf->file_path,
O_CREAT | O_RDWR | O_TRUNC);
if (cf->fd == -1)
fatal("cvs_checkout_file: open: %s",
strerror(errno));
rcs_rev_write_fd(cf->file_rcs, rnum, cf->fd, 0);
cf->file_flags |= FILE_ON_DISK;
} else {
cvs_merge_file(cf, (cvs_join_rev1 == NULL));
}
mode = cf->file_rcs->rf_mode;
mode |= S_IWUSR;
if (fchmod(cf->fd, mode) == -1)
fatal("cvs_checkout_file: fchmod: %s", strerror(errno));
if ((exists == 0) && (cf->file_ent == NULL) &&
!(co_flags & CO_MERGE))
rcstime = rcs_rev_getdate(cf->file_rcs, rnum);
else
time(&rcstime);
tv[0].tv_sec = rcstime;
tv[0].tv_usec = 0;
tv[1] = tv[0];
if (futimes(cf->fd, tv) == -1)
fatal("cvs_checkout_file: futimes: %s",
strerror(errno));
} else {
time(&rcstime);
}
gmtime_r(&rcstime, &datetm);
asctime_r(&datetm, tbuf);
tbuf[strcspn(tbuf, "\n")] = '\0';
if (co_flags & CO_MERGE) {
(void)xsnprintf(timebuf, sizeof(timebuf), "Result of merge+%s",
tbuf);
} else {
strlcpy(timebuf, tbuf, sizeof(timebuf));
}
if (reset_tag) {
sticky[0] = '\0';
} else if (co_flags & CO_SETSTICKY)
if (tag != NULL)
(void)xsnprintf(sticky, sizeof(sticky), "T%s", tag);
else if (cvs_specified_date != -1) {
gmtime_r(&cvs_specified_date, &datetm);
(void)strftime(sticky, sizeof(sticky),
"D"CVS_DATE_FMT, &datetm);
} else if (cvs_directory_date != -1) {
gmtime_r(&cvs_directory_date, &datetm);
(void)strftime(sticky, sizeof(sticky),
"D"CVS_DATE_FMT, &datetm);
} else
(void)xsnprintf(sticky, sizeof(sticky), "T%s", rev);
else if (cf->file_ent != NULL && cf->file_ent->ce_tag != NULL)
(void)xsnprintf(sticky, sizeof(sticky), "T%s",
cf->file_ent->ce_tag);
else
sticky[0] = '\0';
kbuf[0] = '\0';
if (cf->file_rcs != NULL && cf->file_rcs->rf_expand != NULL) {
cf_kflag = rcs_kflag_get(cf->file_rcs->rf_expand);
if (kflag || cf_kflag != RCS_KWEXP_DEFAULT)
(void)xsnprintf(kbuf, sizeof(kbuf),
"-k%s", cf->file_rcs->rf_expand);
} else if (!reset_option && cf->file_ent != NULL) {
if (cf->file_ent->ce_opts != NULL)
strlcpy(kbuf, cf->file_ent->ce_opts, sizeof(kbuf));
}
entry = xmalloc(CVS_ENT_MAXLINELEN);
cvs_ent_line_str(cf->file_name, rev, timebuf, kbuf, sticky, 0, 0,
entry, CVS_ENT_MAXLINELEN);
if (cvs_server_active == 0) {
if (!(co_flags & CO_REMOVE) && cvs_cmdop != CVS_OP_EXPORT) {
ent = cvs_ent_open(cf->file_wd);
cvs_ent_add(ent, entry);
cf->file_ent = cvs_ent_parse(entry);
}
} else {
if (co_flags & CO_MERGE) {
(void)unlink(cf->file_path);
cvs_merge_file(cf, (cvs_join_rev1 == NULL));
tosend = cf->file_path;
}
/*
* If this file has a tag, push out the Directory with the
* tag to the client. Except when this file was explicitly
* specified on the command line.
*/
if (tag != NULL && strcmp(cf->file_wd, lastwd) &&
!(cf->file_flags & FILE_USER_SUPPLIED)) {
strlcpy(lastwd, cf->file_wd, PATH_MAX);
cvs_server_set_sticky(cf->file_wd, sticky);
}
if (co_flags & CO_COMMIT)
cvs_server_update_entry("Updated", cf);
else if (co_flags & CO_MERGE)
cvs_server_update_entry("Merged", cf);
else if (co_flags & CO_REMOVE)
cvs_server_update_entry("Removed", cf);
else
cvs_server_update_entry("Updated", cf);
if (!(co_flags & CO_REMOVE)) {
cvs_remote_output(entry);
if (!(co_flags & CO_MERGE)) {
mode = cf->file_rcs->rf_mode;
mode |= S_IWUSR;
bp = rcs_rev_getbuf(cf->file_rcs, rnum, 0);
cvs_remote_send_file_buf(cf->file_path,
bp, mode);
} else {
cvs_remote_send_file(tosend, cf->fd);
}
}
}
free(entry);
}