void
main(int argc, char **argv)
{
Avlwalk *w;
Biobuf bout;
Entry *e;
quotefmtinstall();
ARGBEGIN{
default:
usage();
}ARGEND
if(argc != 1)
usage();
Binit(&bout, 1, OWRITE);
db = opendb(argv[0]);
w = avlwalk(db->avl);
while(e = (Entry*)avlnext(w))
Bprint(&bout, "%q %q %luo %q %q %lud %lld\n",
e->name, strcmp(e->name, e->d.name)==0 ? "-" : e->d.name, e->d.mode,
e->d.uid, e->d.gid, e->d.mtime, e->d.length);
if(Bterm(&bout) < 0)
sysfatal("writing output: %r");
exits(nil);
}
void
main(int argc, char **argv)
{
char *f[10], *local, *name, *remote, *s, *t, verb;
int fd, havedb, havelocal, i, k, n, nf, resolve1, skip;
int checkedmatch1, checkedmatch2,
checkedmatch3, checkedmatch4;
ulong now;
Biobuf bin;
Dir dbd, ld, nd, rd;
Avlwalk *w;
Entry *e;
membogus(argv);
quotefmtinstall();
ARGBEGIN{
case 's':
case 'c':
i = ARGC();
addresolve(i, EARGF(usage()));
break;
case 'n':
donothing = 1;
verbose = 1;
break;
case 'S':
safeinstall = 0;
break;
case 'T':
timefile = EARGF(usage());
break;
case 't':
tempspool = 0;
break;
case 'u':
douid = 1;
break;
case 'v':
verbose++;
break;
default:
usage();
}ARGEND
if(argc < 3)
usage();
if(timefile)
readtimefile();
lroot = argv[1];
if(!isdir(lroot))
sysfatal("bad local root directory");
rroot = argv[2];
if(!isdir(rroot))
sysfatal("bad remote root directory");
match = argv+3;
nmatch = argc-3;
for(i=0; i<nmatch; i++)
if(match[i][0] == '/')
match[i]++;
if((clientdb = opendb(argv[0])) == nil)
sysfatal("opendb %q: %r", argv[2]);
copyerr = opendb(nil);
skip = 0;
Binit(&bin, 0, OREAD);
for(; s=Brdstr(&bin, '\n', 1); free(s)){
t = estrdup(s);
nf = tokenize(s, f, nelem(f));
if(nf != 10 || strlen(f[2]) != 1){
skip = 1;
fprint(2, "warning: skipping bad log entry <%s>\n", t);
free(t);
continue;
}
free(t);
now = strtoul(f[0], 0, 0);
n = atoi(f[1]);
verb = f[2][0];
name = f[3];
if(now < maxnow || (now==maxnow && n <= maxn))
continue;
local = mkname(localbuf, sizeof localbuf, lroot, name);
if(strcmp(f[4], "-") == 0)
f[4] = f[3];
remote = mkname(remotebuf, sizeof remotebuf, rroot, f[4]);
rd.name = f[4];
rd.mode = strtoul(f[5], 0, 8);
rd.uid = f[6];
rd.gid = f[7];
rd.mtime = strtoul(f[8], 0, 10);
rd.length = strtoll(f[9], 0, 10);
havedb = finddb(clientdb, name, &dbd)>=0;
havelocal = localdirstat(local, &ld)>=0;
resolve1 = resolve(name);
/*
* if(!ismatch(name)){
* skip = 1;
* continue;
* }
*
* This check used to be right here, but we want
* the time to be able to move forward past entries
* that don't match and have already been applied.
* So now every path below must checked !ismatch(name)
* before making any changes to the local file
* system. The fake variable checkedmatch
* tracks whether !ismatch(name) has been checked.
* If the compiler doesn't produce any used/set
* warnings, then all the paths should be okay.
* Even so, we have the asserts to fall back on.
*/
switch(verb){
case 'd': /* delete file */
delce(local);
if(!havelocal) /* doesn't exist; who cares? */
break;
if(access(remote, AEXIST) >= 0) /* got recreated! */
break;
if(!ismatch(name)){
skip = prstopped(skip, name);
continue;
}
SET(checkedmatch1);
if(!havedb){
if(resolve1 == 's')
goto DoRemove;
else if(resolve1 == 'c')
goto DoRemoveDb;
conflict(name, "locally created; will not remove");
skip = 1;
continue;
}
assert(havelocal && havedb);
if(dbd.mtime > rd.mtime) /* we have a newer file than what was deleted */
break;
if(samecontents(local, remote) > 0){ /* going to get recreated */
chat("= %q %luo %q %q %lud\n", name, rd.mode, rd.uid, rd.gid, rd.mtime);
break;
}
if(!(dbd.mode&DMDIR) && (dbd.mtime != ld.mtime || dbd.length != ld.length)){ /* locally modified since we downloaded it */
if(resolve1 == 's')
goto DoRemove;
else if(resolve1 == 'c')
break;
conflict(name, "locally modified; will not remove");
skip = 1;
continue;
}
DoRemove:
USED(checkedmatch1);
assert(ismatch(name));
chat("d %q %luo %q %q %lud\n", name, rd.mode, rd.uid, rd.gid, rd.mtime);
if(donothing)
break;
if(remove(local) < 0){
error("removing %q: %r", name);
skip = 1;
continue;
}
DoRemoveDb:
USED(checkedmatch1);
assert(ismatch(name));
removedb(clientdb, name);
break;
case 'a': /* add file */
if(!havedb){
if(!ismatch(name)){
skip = prstopped(skip, name);
continue;
}
SET(checkedmatch2);
if(!havelocal)
goto DoCreate;
if((ld.mode&DMDIR) && (rd.mode&DMDIR))
break;
if(samecontents(local, remote) > 0){
chat("= %q %luo %q %q %lud\n", name, rd.mode, rd.uid, rd.gid, rd.mtime);
goto DoCreateDb;
}
if(resolve1 == 's')
goto DoCreate;
else if(resolve1 == 'c')
goto DoCreateDb;
conflict(name, "locally created; will not overwrite");
skip = 1;
continue;
}
assert(havedb);
if(dbd.mtime >= rd.mtime) /* already created this file; ignore */
break;
if(havelocal){
if((ld.mode&DMDIR) && (rd.mode&DMDIR))
break;
if(!ismatch(name)){
skip = prstopped(skip, name);
continue;
}
SET(checkedmatch2);
if(samecontents(local, remote) > 0){
chat("= %q %luo %q %q %lud\n", name, rd.mode, rd.uid, rd.gid, rd.mtime);
goto DoCreateDb;
}
if(dbd.mtime==ld.mtime && dbd.length==ld.length)
goto DoCreate;
if(resolve1=='s')
goto DoCreate;
else if(resolve1 == 'c')
goto DoCreateDb;
conflict(name, "locally modified; will not overwrite");
skip = 1;
continue;
}
if(!ismatch(name)){
skip = prstopped(skip, name);
continue;
}
SET(checkedmatch2);
DoCreate:
USED(checkedmatch2);
assert(ismatch(name));
if(notexists(remote)){
addce(local);
/* no skip=1 */
break;;
}
chat("a %q %luo %q %q %lud\n", name, rd.mode, rd.uid, rd.gid, rd.mtime);
if(donothing)
break;
if(rd.mode&DMDIR){
fd = create(local, OREAD, DMDIR);
if(fd < 0 && isdir(local))
fd = open(local, OREAD);
if(fd < 0){
error("mkdir %q: %r", name);
skip = 1;
continue;
}
nulldir(&nd);
nd.mode = rd.mode;
if(dirfwstat(fd, &nd) < 0)
fprint(2, "warning: cannot set mode on %q\n", local);
nulldir(&nd);
nd.gid = rd.gid;
if(dirfwstat(fd, &nd) < 0)
fprint(2, "warning: cannot set gid on %q\n", local);
if(douid){
nulldir(&nd);
nd.uid = rd.uid;
if(dirfwstat(fd, &nd) < 0)
fprint(2, "warning: cannot set uid on %q\n", local);
}
close(fd);
rd.mtime = now;
}else{
if(copyfile(local, remote, name, &rd, 1, &k) < 0){
if(k)
addce(local);
skip = 1;
continue;
}
}
DoCreateDb:
USED(checkedmatch2);
assert(ismatch(name));
insertdb(clientdb, name, &rd);
break;
case 'c': /* change contents */
if(!havedb){
if(notexists(remote)){
addce(local);
/* no skip=1 */
break;
}
if(!ismatch(name)){
skip = prstopped(skip, name);
continue;
}
SET(checkedmatch3);
if(resolve1 == 's')
goto DoCopy;
else if(resolve1=='c')
goto DoCopyDb;
if(samecontents(local, remote) > 0){
chat("= %q %luo %q %q %lud\n", name, rd.mode, rd.uid, rd.gid, rd.mtime);
goto DoCopyDb;
}
if(havelocal)
conflict(name, "locally created; will not update");
else
conflict(name, "not replicated; will not update");
skip = 1;
continue;
}
if(dbd.mtime >= rd.mtime) /* already have/had this version; ignore */
break;
if(!ismatch(name)){
skip = prstopped(skip, name);
continue;
}
SET(checkedmatch3);
if(!havelocal){
if(notexists(remote)){
addce(local);
/* no skip=1 */
break;
}
if(resolve1 == 's')
goto DoCopy;
else if(resolve1 == 'c')
break;
conflict(name, "locally removed; will not update");
skip = 1;
continue;
}
assert(havedb && havelocal);
if(dbd.mtime != ld.mtime || dbd.length != ld.length){
if(notexists(remote)){
addce(local);
/* no skip=1 */
break;
}
if(samecontents(local, remote) > 0){
chat("= %q %luo %q %q %lud\n", name, rd.mode, rd.uid, rd.gid, rd.mtime);
goto DoCopyDb;
}
if(resolve1 == 's')
goto DoCopy;
else if(resolve1 == 'c')
goto DoCopyDb;
conflict(name, "locally modified; will not update [%llud %lud -> %llud %lud]", dbd.length, dbd.mtime, ld.length, ld.mtime);
skip = 1;
continue;
}
DoCopy:
USED(checkedmatch3);
assert(ismatch(name));
if(notexists(remote)){
addce(local);
/* no skip=1 */
break;
}
chat("c %q\n", name);
if(donothing)
break;
if(copyfile(local, remote, name, &rd, 0, &k) < 0){
if(k)
addce(local);
skip = 1;
continue;
}
DoCopyDb:
USED(checkedmatch3);
assert(ismatch(name));
if(!havedb){
if(havelocal)
dbd = ld;
else
dbd = rd;
}
dbd.mtime = rd.mtime;
dbd.length = rd.length;
insertdb(clientdb, name, &dbd);
break;
case 'm': /* change metadata */
if(!havedb){
if(notexists(remote)){
addce(local);
/* no skip=1 */
break;
}
if(!ismatch(name)){
skip = prstopped(skip, name);
continue;
}
SET(checkedmatch4);
if(resolve1 == 's'){
USED(checkedmatch4);
SET(checkedmatch2);
goto DoCreate;
}
else if(resolve1 == 'c')
goto DoMetaDb;
if(havelocal)
conflict(name, "locally created; will not update metadata");
else
conflict(name, "not replicated; will not update metadata");
skip = 1;
continue;
}
if(!(dbd.mode&DMDIR) && dbd.mtime > rd.mtime) /* have newer version; ignore */
break;
if((dbd.mode&DMDIR) && dbd.mtime > now)
break;
if(havelocal && (!douid || strcmp(ld.uid, rd.uid)==0) && strcmp(ld.gid, rd.gid)==0 && ld.mode==rd.mode)
break;
if(!havelocal){
if(notexists(remote)){
addce(local);
/* no skip=1 */
break;
}
if(!ismatch(name)){
skip = prstopped(skip, name);
continue;
}
SET(checkedmatch4);
if(resolve1 == 's'){
USED(checkedmatch4);
SET(checkedmatch2);
goto DoCreate;
}
else if(resolve1 == 'c')
break;
conflict(name, "locally removed; will not update metadata");
skip = 1;
continue;
}
if(!(dbd.mode&DMDIR) && (dbd.mtime != ld.mtime || dbd.length != ld.length)){ /* this check might be overkill */
if(notexists(remote)){
addce(local);
/* no skip=1 */
break;
}
if(!ismatch(name)){
skip = prstopped(skip, name);
continue;
}
SET(checkedmatch4);
if(resolve1 == 's' || samecontents(local, remote) > 0)
goto DoMeta;
else if(resolve1 == 'c')
break;
conflict(name, "contents locally modified (%s); will not update metadata to %s %s %luo",
dbd.mtime != ld.mtime ? "mtime" :
dbd.length != ld.length ? "length" :
"unknown",
rd.uid, rd.gid, rd.mode);
skip = 1;
continue;
}
if((douid && strcmp(ld.uid, dbd.uid)!=0) || strcmp(ld.gid, dbd.gid)!=0 || ld.mode!=dbd.mode){
if(notexists(remote)){
addce(local);
/* no skip=1 */
break;
}
if(!ismatch(name)){
skip = prstopped(skip, name);
continue;
}
SET(checkedmatch4);
if(resolve1 == 's')
goto DoMeta;
else if(resolve1 == 'c')
break;
conflict(name, "metadata locally changed; will not update metadata to %s %s %luo", rd.uid, rd.gid, rd.mode);
skip = 1;
continue;
}
if(!ismatch(name)){
skip = prstopped(skip, name);
continue;
}
SET(checkedmatch4);
DoMeta:
USED(checkedmatch4);
assert(ismatch(name));
if(notexists(remote)){
addce(local);
/* no skip=1 */
break;
}
chat("m %q %luo %q %q %lud\n", name, rd.mode, rd.uid, rd.gid, rd.mtime);
if(donothing)
break;
nulldir(&nd);
nd.gid = rd.gid;
nd.mode = rd.mode;
if(douid)
nd.uid = rd.uid;
if(dirwstat(local, &nd) < 0){
error("dirwstat %q: %r", name);
skip = 1;
continue;
}
DoMetaDb:
USED(checkedmatch4);
assert(ismatch(name));
if(!havedb){
if(havelocal)
dbd = ld;
else
dbd = rd;
}
if(dbd.mode&DMDIR)
dbd.mtime = now;
dbd.gid = rd.gid;
dbd.mode = rd.mode;
if(douid)
dbd.uid = rd.uid;
insertdb(clientdb, name, &dbd);
break;
}
if(!skip && !donothing){
maxnow = now;
maxn = n;
}
}
w = avlwalk(copyerr->avl);
while(e = (Entry*)avlnext(w))
error("copying %q: %s\n", e->name, e->d.name);
if(timefile)
writetimefile();
if(nconf)
exits("conflicts");
if(errors)
exits("errors");
exits(nil);
}
