Remove rollback support

- not possible to do reliably within rpm
- effort is better wasted on investigating fs-level snapshots, which
  is way beyond rpm scope except for hooks to interact with the snapshot
  mechanism to communicate beginning/end of transaction and such

1 files changed, 0 insertions, 209 deletions

diff --git a/lib/rpminstall.c b/lib/rpminstall.c
index 13ec4978b..38b22c0dc 100644
--- a/lib/rpminstall.c
+++ b/lib/rpminstall.c
@@ -12,7 +12,6 @@
 #include <rpm/rpmts.h>
 #include <rpm/rpmlog.h>
 #include <rpm/rpmfileutil.h>
-#include <rpm/idtx.h>
 
 #include "lib/manifest.h"
 #include "debug.h"
@@ -838,211 +837,3 @@ int rpmInstallSource(rpmts ts, const char * arg,
     return rc;
 }
 
-/** @todo Transaction handling, more, needs work. */
-int rpmRollback(rpmts ts, struct rpmInstallArguments_s * ia, const char ** argv)
-{
-    int ifmask= (INSTALL_UPGRADE|INSTALL_FRESHEN|INSTALL_INSTALL|INSTALL_ERASE);
-    unsigned thistid = 0xffffffff;
-    unsigned prevtid;
-    time_t tid;
-    IDTX itids = NULL;
-    IDTX rtids = NULL;
-    IDT rp;
-    int nrids = 0;
-    IDT ip;
-    int niids = 0;
-    int rc = 0;
-    rpmVSFlags vsflags, ovsflags;
-    int numAdded;
-    int numRemoved;
-    rpmps ps;
-    rpmtransFlags transFlags = ia->transFlags;
-
-    if (argv != NULL && *argv != NULL) {
-	rc = -1;
-	goto exit;
-    }
-
-    vsflags = rpmExpandNumeric("%{?_vsflags_erase}");
-    if (ia->qva_flags & VERIFY_DIGEST)
-	vsflags |= _RPMVSF_NODIGESTS;
-    if (ia->qva_flags & VERIFY_SIGNATURE)
-	vsflags |= _RPMVSF_NOSIGNATURES;
-    if (ia->qva_flags & VERIFY_HDRCHK)
-	vsflags |= RPMVSF_NOHDRCHK;
-    vsflags |= RPMVSF_NEEDPAYLOAD;	/* XXX no legacy signatures */
-    ovsflags = rpmtsSetVSFlags(ts, vsflags);
-
-    (void) rpmtsSetFlags(ts, transFlags);
-
-    itids = IDTXload(ts, RPMTAG_INSTALLTID);
-    if (itids != NULL) {
-	ip = itids->idt;
-	niids = itids->nidt;
-    } else {
-	ip = NULL;
-	niids = 0;
-    }
-
-    {	char * globstr = rpmExpand("%{_repackage_dir}/*.rpm", NULL);
-	if (globstr == NULL || *globstr == '%') {
-	    globstr = _free(globstr);
-	    rc = -1;
-	    goto exit;
-	}
-	rtids = IDTXglob(ts, globstr, RPMTAG_REMOVETID);
-
-	if (rtids != NULL) {
-	    rp = rtids->idt;
-	    nrids = rtids->nidt;
-	} else {
-	    rp = NULL;
-	    nrids = 0;
-	}
-	globstr = _free(globstr);
-    }
-
-    {	int notifyFlags, xx;
-	notifyFlags = ia->installInterfaceFlags | (rpmIsVerbose() ? INSTALL_LABEL : 0 );
-	xx = rpmtsSetNotifyCallback(ts,
-			rpmShowProgress, (void *) ((long)notifyFlags));
-    }
-
-    /* Run transactions until rollback goal is achieved. */
-    do {
-	prevtid = thistid;
-	rc = 0;
-	rpmcliPackagesTotal = 0;
-	numAdded = 0;
-	numRemoved = 0;
-	ia->installInterfaceFlags &= ~ifmask;
-
-	/* Find larger of the remaining install/erase transaction id's. */
-	thistid = 0;
-	if (ip != NULL && ip->val.u32 > thistid)
-	    thistid = ip->val.u32;
-	if (rp != NULL && rp->val.u32 > thistid)
-	    thistid = rp->val.u32;
-
-	/* If we've achieved the rollback goal, then we're done. */
-	if (thistid == 0 || thistid < ia->rbtid)
-	    break;
-
-	rpmtsEmpty(ts);
-	(void) rpmtsSetFlags(ts, transFlags);
-
-	/* Install the previously erased packages for this transaction. */
-	while (rp != NULL && rp->val.u32 == thistid) {
-
-	    rpmlog(RPMLOG_DEBUG, "\t+++ install %s\n",
-			(rp->key ? rp->key : "???"));
-
-	    rc = rpmtsAddInstallElement(ts, rp->h, (fnpyKey)rp->key,
-			       0, ia->relocations);
-	    if (rc != 0)
-		goto exit;
-
-	    numAdded++;
-	    rpmcliPackagesTotal++;
-	    if (!(ia->installInterfaceFlags & ifmask))
-		ia->installInterfaceFlags |= INSTALL_UPGRADE;
-
-#ifdef	NOTYET
-	    rp->h = headerFree(rp->h);
-#endif
-	    nrids--;
-	    if (nrids > 0)
-		rp++;
-	    else
-		rp = NULL;
-	}
-
-	/* Erase the previously installed packages for this transaction. */
-	while (ip != NULL && ip->val.u32 == thistid) {
-
-	    rpmlog(RPMLOG_DEBUG,
-			"\t--- erase h#%u\n", ip->instance);
-
-	    rc = rpmtsAddEraseElement(ts, ip->h, ip->instance);
-	    if (rc != 0)
-		goto exit;
-
-	    numRemoved++;
-
-	    if (!(ia->installInterfaceFlags & ifmask)) {
-		ia->installInterfaceFlags |= INSTALL_ERASE;
-		(void) rpmtsSetFlags(ts, (transFlags | RPMTRANS_FLAG_REVERSE));
-	    }
-
-#ifdef	NOTYET
-	    ip->instance = 0;
-#endif
-	    niids--;
-	    if (niids > 0)
-		ip++;
-	    else
-		ip = NULL;
-	}
-
-	/* Anything to do? */
-	if (rpmcliPackagesTotal <= 0)
-	    break;
-
-	tid = (time_t)thistid;
-	rpmlog(RPMLOG_NOTICE,
-		_("Rollback packages (+%d/-%d) to %-24.24s (0x%08x):\n"),
-			numAdded, numRemoved, ctime(&tid), thistid);
-
-	rc = rpmtsCheck(ts);
-	ps = rpmtsProblems(ts);
-	if (rc != 0 && rpmpsNumProblems(ps) > 0) {
-	    rpmlog(RPMLOG_ERR, _("Failed dependencies:\n"));
-	    rpmpsPrint(NULL, ps);
-	    ps = rpmpsFree(ps);
-	    goto exit;
-	}
-	ps = rpmpsFree(ps);
-
-	rc = rpmtsOrder(ts);
-	if (rc != 0)
-	    goto exit;
-
-	/* Drop added/available package indices and dependency sets. */
-	rpmtsClean(ts);
-
-	rc = rpmtsRun(ts, NULL, (ia->probFilter|RPMPROB_FILTER_OLDPACKAGE));
-	ps = rpmtsProblems(ts);
-	if (rc > 0 && rpmpsNumProblems(ps) > 0)
-	    rpmpsPrint(stderr, ps);
-	ps = rpmpsFree(ps);
-	if (rc)
-	    goto exit;
-
-	/* Clean up after successful rollback. */
-	if (rtids && !rpmIsDebug()) {
-	    int i;
-	    rpmlog(RPMLOG_NOTICE, _("Cleaning up repackaged packages:\n"));
-	    if (rtids->idt)
-	    for (i = 0; i < rtids->nidt; i++) {
-		IDT rrp = rtids->idt + i;
-		if (rrp->val.u32 != thistid)
-		    continue;
-		if (rrp->key) {	/* XXX can't happen */
-		    rpmlog(RPMLOG_NOTICE, _("\tRemoving %s:\n"), rrp->key);
-		    (void) unlink(rrp->key);	/* XXX: Should check rc??? */
-		}
-	    }
-	}
-
-
-    } while (1);
-
-exit:
-    rtids = IDTXfree(rtids);
-    itids = IDTXfree(itids);
-
-    rpmtsEmpty(ts);
-    (void) rpmtsSetFlags(ts, transFlags);
-
-    return rc;
-}