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authorJudd Vinet <judd@archlinux.org>2006-01-08 21:58:27 +0000
committerJudd Vinet <judd@archlinux.org>2006-01-08 21:58:27 +0000
commit38180d52317316317e9e6199626a422ebe71f350 (patch)
treeea031cd6d5bd4ba6796ae4889b416190d52322fa /lib/libalpm
parentcaf64da579874bb264d235bb49571fa89b2eb307 (diff)
In the database-against-targets conflict checks, scan db packages' provides
fields and look for packages that want to exclusively provide a provisio that the target package also provides.
Diffstat (limited to 'lib/libalpm')
-rw-r--r--lib/libalpm/deps.c55
1 files changed, 52 insertions, 3 deletions
diff --git a/lib/libalpm/deps.c b/lib/libalpm/deps.c
index 6167c7ce..b2d8a7a3 100644
--- a/lib/libalpm/deps.c
+++ b/lib/libalpm/deps.c
@@ -226,10 +226,15 @@ PMList *checkdeps(pmdb_t *db, unsigned char op, PMList *packages)
/* CONFLICTS */
for(j = tp->conflicts; j; j = j->next) {
- /* check targets against database */
+ if(!strcmp(tp->name, j->data)) {
+ /* a package cannot conflict with itself -- that's just not nice */
+ continue;
+ }
+ /* CHECK 1: check targets against database */
for(k = db_get_pkgcache(db); k; k = k->next) {
pmpkg_t *dp = (pmpkg_t *)k->data;
if(!strcmp(j->data, dp->name)) {
+ /* confict */
MALLOC(miss, sizeof(pmdepmissing_t));
miss->type = PM_DEP_TYPE_CONFLICT;
miss->depend.mod = PM_DEP_MOD_ANY;
@@ -241,9 +246,28 @@ PMList *checkdeps(pmdb_t *db, unsigned char op, PMList *packages)
} else {
FREE(miss);
}
+ } else {
+ /* see if dp provides something in tp's conflict list */
+ PMList *m;
+ for(m = dp->provides; m; m = m->next) {
+ if(!strcmp(m->data, j->data)) {
+ /* confict */
+ MALLOC(miss, sizeof(pmdepmissing_t));
+ miss->type = PM_DEP_TYPE_CONFLICT;
+ miss->depend.mod = PM_DEP_MOD_ANY;
+ miss->depend.version[0] = '\0';
+ STRNCPY(miss->target, tp->name, PKG_NAME_LEN);
+ STRNCPY(miss->depend.name, dp->name, PKG_NAME_LEN);
+ if(!pm_list_is_in(miss, baddeps)) {
+ baddeps = pm_list_add(baddeps, miss);
+ } else {
+ FREE(miss);
+ }
+ }
+ }
}
}
- /* check targets against targets */
+ /* CHECK 2: check targets against targets */
for(k = packages; k; k = k->next) {
pmpkg_t *a = (pmpkg_t *)k->data;
if(!strcmp(a->name, (char *)j->data)) {
@@ -261,8 +285,9 @@ PMList *checkdeps(pmdb_t *db, unsigned char op, PMList *packages)
}
}
}
- /* check database against targets */
+ /* CHECK 3: check database against targets */
for(k = db_get_pkgcache(db); k; k = k->next) {
+ int conflict = 0;
info = k->data;
for(j = info->conflicts; j; j = j->next) {
if(!strcmp((char *)j->data, tp->name)) {
@@ -277,8 +302,32 @@ PMList *checkdeps(pmdb_t *db, unsigned char op, PMList *packages)
} else {
FREE(miss);
}
+ } else {
+ /* see if info and tp both provide something that info wants to
+ * exclusively provide (ie, conflicts&provides package X) */
+ PMList *m;
+ for(m = info->conflicts; m; m = m->next) {
+ PMList *n;
+ for(n = tp->provides; n; n = n->next) {
+ if(!strcmp(m->data, n->data)) {
+ MALLOC(miss, sizeof(pmdepmissing_t));
+ miss->type = PM_DEP_TYPE_CONFLICT;
+ miss->depend.mod = PM_DEP_MOD_ANY;
+ miss->depend.version[0] = '\0';
+ STRNCPY(miss->target, tp->name, PKG_NAME_LEN);
+ STRNCPY(miss->depend.name, info->name, PKG_NAME_LEN);
+ if(!pm_list_is_in(miss, baddeps)) {
+ baddeps = pm_list_add(baddeps, miss);
+ } else {
+ FREE(miss);
+ }
+ }
+ }
+ }
}
}
+ if(conflict) {
+ }
}
/* PROVIDES -- check to see if another package already provides what