/*
* Checks [Pre]-Depends only.
*/
enum dep_check
dependencies_ok(struct pkginfo *pkg, struct pkginfo *removing,
struct varbuf *aemsgs)
{
/* Valid values: 2 = ok, 1 = defer, 0 = halt. */
enum dep_check ok;
/* Valid values: 0 = none, 1 = defer, 2 = withwarning, 3 = ok. */
enum found_status found, thisf;
int interestingwarnings;
bool matched, anycannotfixbytrig;
struct varbuf oemsgs = VARBUF_INIT;
struct dependency *dep;
struct deppossi *possi, *provider;
struct pkginfo *possfixbytrig, *canfixbytrig;
interestingwarnings= 0;
ok = DEP_CHECK_OK;
debug(dbg_depcon,"checking dependencies of %s (- %s)",
pkg_name(pkg, pnaw_always),
removing ? pkg_name(removing, pnaw_always) : "<none>");
anycannotfixbytrig = false;
canfixbytrig = NULL;
for (dep= pkg->installed.depends; dep; dep= dep->next) {
if (dep->type != dep_depends && dep->type != dep_predepends) continue;
debug(dbg_depcondetail," checking group ...");
matched = false;
varbuf_reset(&oemsgs);
found = FOUND_NONE;
possfixbytrig = NULL;
for (possi = dep->list; found != FOUND_OK && possi; possi = possi->next) {
struct deppossi_pkg_iterator *possi_iter;
struct pkginfo *pkg_pos;
debug(dbg_depcondetail," checking possibility -> %s",possi->ed->name);
if (possi->cyclebreak) {
debug(dbg_depcondetail," break cycle so ok and found");
found = FOUND_OK;
break;
}
thisf = FOUND_NONE;
possi_iter = deppossi_pkg_iter_new(possi, wpb_installed);
while ((pkg_pos = deppossi_pkg_iter_next(possi_iter))) {
thisf = deppossi_ok_found(pkg_pos, pkg, removing, NULL,
&possfixbytrig, &matched, possi,
&interestingwarnings, &oemsgs);
if (thisf > found)
found = thisf;
if (found == FOUND_OK)
break;
}
deppossi_pkg_iter_free(possi_iter);
if (found != FOUND_OK) {
for (provider = possi->ed->depended.installed;
found != FOUND_OK && provider;
provider = provider->rev_next) {
if (provider->up->type != dep_provides)
continue;
debug(dbg_depcondetail, " checking provider %s",
pkg_name(provider->up->up, pnaw_always));
if (!deparchsatisfied(&provider->up->up->installed, provider->arch,
possi)) {
debug(dbg_depcondetail, " provider does not satisfy arch");
continue;
}
thisf = deppossi_ok_found(provider->up->up, pkg, removing, provider,
&possfixbytrig, &matched, possi,
&interestingwarnings, &oemsgs);
if (thisf == FOUND_DEFER && provider->up->up == pkg && !removing) {
/* IOW, if the pkg satisfies its own dep (via a provide), then
* we let it pass, even if it isn't configured yet (as we're
* installing it). */
thisf = FOUND_OK;
}
if (thisf > found)
found = thisf;
}
}
debug(dbg_depcondetail," found %d",found);
if (thisf > found) found= thisf;
}
if (in_force(FORCE_DEPENDS)) {
thisf = found_forced_on(DEPEND_TRY_FORCE_DEPENDS);
if (thisf > found) {
found = thisf;
debug(dbg_depcondetail, " rescued by force-depends, found %d", found);
}
}
debug(dbg_depcondetail, " found %d matched %d possfixbytrig %s",
found, matched,
possfixbytrig ? pkg_name(possfixbytrig, pnaw_always) : "-");
if (removing && !matched) continue;
switch (found) {
case FOUND_NONE:
anycannotfixbytrig = true;
ok = DEP_CHECK_HALT;
/* Fall through. */
case FOUND_FORCED:
varbuf_add_str(aemsgs, " ");
varbuf_add_pkgbin_name(aemsgs, pkg, &pkg->installed, pnaw_nonambig);
varbuf_add_str(aemsgs, _(" depends on "));
varbufdependency(aemsgs, dep);
if (interestingwarnings) {
/* Don't print the line about the package to be removed if
* that's the only line. */
varbuf_end_str(&oemsgs);
varbuf_add_str(aemsgs, _("; however:\n"));
varbuf_add_str(aemsgs, oemsgs.buf);
} else {
varbuf_add_str(aemsgs, ".\n");
}
break;
case FOUND_DEFER:
if (possfixbytrig)
canfixbytrig = possfixbytrig;
else
anycannotfixbytrig = true;
if (ok > DEP_CHECK_DEFER)
ok = DEP_CHECK_DEFER;
break;
case FOUND_OK:
break;
default:
internerr("unknown value for found '%d'", found);
}
}
if (ok == DEP_CHECK_HALT &&
(pkg->clientdata && pkg->clientdata->istobe == PKG_ISTOBE_REMOVE))
ok = DEP_CHECK_DEFER;
if (!anycannotfixbytrig && canfixbytrig)
progress_bytrigproc = canfixbytrig;
varbuf_destroy(&oemsgs);
debug(dbg_depcon,"ok %d msgs >>%.*s<<", ok, (int)aemsgs->used, aemsgs->buf);
return ok;
}
bool
archsatisfied(struct pkgbin *it, struct deppossi *against)
{
return deparchsatisfied(it, it->arch, against);
}
/*
* Checks [Pre]-Depends only.
*/
enum dep_check
dependencies_ok(struct pkginfo *pkg, struct pkginfo *removing,
struct varbuf *aemsgs)
{
/* Valid values: 2 = ok, 1 = defer, 0 = halt. */
enum dep_check ok;
/* Valid values: 0 = none, 1 = defer, 2 = withwarning, 3 = ok. */
enum found_status found, thisf;
int interestingwarnings;
bool matched, anycannotfixbytrig;
struct varbuf oemsgs = VARBUF_INIT;
struct dependency *dep;
struct deppossi *possi, *provider;
struct pkginfo *possfixbytrig, *canfixbytrig;
interestingwarnings= 0;
ok = dep_check_ok;
debug(dbg_depcon,"checking dependencies of %s (- %s)",
pkg_name(pkg, pnaw_always),
removing ? pkg_name(removing, pnaw_always) : "<none>");
anycannotfixbytrig = false;
canfixbytrig = NULL;
for (dep= pkg->installed.depends; dep; dep= dep->next) {
if (dep->type != dep_depends && dep->type != dep_predepends) continue;
debug(dbg_depcondetail," checking group ...");
matched = false;
varbuf_reset(&oemsgs);
found = found_none;
possfixbytrig = NULL;
for (possi = dep->list; found != found_ok && possi; possi = possi->next) {
struct deppossi_pkg_iterator *possi_iter;
struct pkginfo *pkg_pos;
debug(dbg_depcondetail," checking possibility -> %s",possi->ed->name);
if (possi->cyclebreak) {
debug(dbg_depcondetail," break cycle so ok and found");
found = found_ok;
break;
}
thisf = found_none;
possi_iter = deppossi_pkg_iter_new(possi, wpb_installed);
while ((pkg_pos = deppossi_pkg_iter_next(possi_iter))) {
thisf = deppossi_ok_found(pkg_pos, pkg, removing, NULL,
&possfixbytrig, &matched, possi,
&interestingwarnings, &oemsgs);
if (thisf > found)
found = thisf;
if (found == found_ok)
break;
}
deppossi_pkg_iter_free(possi_iter);
if (found != found_ok && possi->verrel == dpkg_relation_none) {
for (provider = possi->ed->depended.installed;
found != found_ok && provider;
provider = provider->rev_next) {
if (provider->up->type != dep_provides)
continue;
debug(dbg_depcondetail, " checking provider %s",
pkg_name(provider->up->up, pnaw_always));
if (!deparchsatisfied(&provider->up->up->installed, provider->arch,
possi)) {
debug(dbg_depcondetail, " provider does not satisfy arch");
continue;
}
thisf = deppossi_ok_found(provider->up->up, pkg, removing,
possi->ed,
&possfixbytrig, &matched, NULL,
&interestingwarnings, &oemsgs);
if (thisf > found)
found = thisf;
}
}
debug(dbg_depcondetail," found %d",found);
if (thisf > found) found= thisf;
}
if (fc_depends) {
thisf = (dependtry >= 4) ? found_forced : found_defer;
if (thisf > found) {
found = thisf;
debug(dbg_depcondetail, " rescued by force-depends, found %d", found);
}
}
debug(dbg_depcondetail, " found %d matched %d possfixbytrig %s",
found, matched,
possfixbytrig ? pkg_name(possfixbytrig, pnaw_always) : "-");
if (removing && !matched) continue;
switch (found) {
case found_none:
anycannotfixbytrig = true;
ok = dep_check_halt;
case found_forced:
varbuf_add_str(aemsgs, " ");
varbuf_add_pkgbin_name(aemsgs, pkg, &pkg->installed, pnaw_nonambig);
varbuf_add_str(aemsgs, _(" depends on "));
varbufdependency(aemsgs, dep);
if (interestingwarnings) {
/* Don't print the line about the package to be removed if
* that's the only line. */
varbuf_end_str(&oemsgs);
varbuf_add_str(aemsgs, _("; however:\n"));
varbuf_add_str(aemsgs, oemsgs.buf);
} else {
varbuf_add_str(aemsgs, ".\n");
}
break;
case found_defer:
if (possfixbytrig)
canfixbytrig = possfixbytrig;
else
anycannotfixbytrig = true;
if (ok > dep_check_defer)
ok = dep_check_defer;
break;
case found_ok:
break;
default:
internerr("unknown value for found '%d'", found);
}
}
if (ok == dep_check_halt &&
(pkg->clientdata && pkg->clientdata->istobe == itb_remove))
ok = dep_check_defer;
if (!anycannotfixbytrig && canfixbytrig)
progress_bytrigproc = canfixbytrig;
varbuf_destroy(&oemsgs);
debug(dbg_depcon,"ok %d msgs >>%.*s<<", ok, (int)aemsgs->used, aemsgs->buf);
return ok;
}
