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-rw-r--r--lib/libalpm/conflict.c172
1 files changed, 172 insertions, 0 deletions
diff --git a/lib/libalpm/conflict.c b/lib/libalpm/conflict.c
index b8412432..4e7cb12a 100644
--- a/lib/libalpm/conflict.c
+++ b/lib/libalpm/conflict.c
@@ -29,8 +29,180 @@
#include <sys/stat.h>
/* pacman */
#include "util.h"
+#include "log.h"
+#include "cache.h"
+#include "deps.h"
#include "conflict.h"
+/* Returns a PMList* of missing_t pointers.
+ *
+ * conflicts are always name only
+ */
+PMList *checkconflicts(pmdb_t *db, PMList *packages)
+{
+ pmpkg_t *info = NULL;
+ PMList *i, *j, *k;
+ PMList *baddeps = NULL;
+ pmdepmissing_t *miss = NULL;
+
+ if(db == NULL) {
+ return(NULL);
+ }
+
+ for(i = packages; i; i = i->next) {
+ pmpkg_t *tp = i->data;
+ if(tp == NULL) {
+ continue;
+ }
+
+ for(j = tp->conflicts; j; j = j->next) {
+ 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(dp->name, tp->name)) {
+ /* a package cannot conflict with itself -- that's just not nice */
+ continue;
+ }
+ if(!strcmp(j->data, dp->name)) {
+ /* conflict */
+ 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)) {
+ _alpm_log(PM_LOG_FLOW2, "checkdeps: targs vs db: adding %s as a conflict for %s",
+ dp->name, tp->name);
+ baddeps = pm_list_add(baddeps, miss);
+ } 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)) {
+ _alpm_log(PM_LOG_FLOW2, "checkdeps: targs vs db: adding %s as a conflict for %s",
+ dp->name, tp->name);
+ baddeps = pm_list_add(baddeps, miss);
+ } else {
+ FREE(miss);
+ }
+ }
+ }
+ }
+ }
+ /* CHECK 2: check targets against targets */
+ for(k = packages; k; k = k->next) {
+ pmpkg_t *otp = (pmpkg_t *)k->data;
+ if(!strcmp(otp->name, tp->name)) {
+ /* a package cannot conflict with itself -- that's just not nice */
+ continue;
+ }
+ if(!strcmp(otp->name, (char *)j->data)) {
+ /* otp is listed in tp's conflict list */
+ 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, otp->name, PKG_NAME_LEN);
+ if(!pm_list_is_in(miss, baddeps)) {
+ _alpm_log(PM_LOG_FLOW2, "checkdeps: targs vs targs: adding %s as a conflict for %s",
+ otp->name, tp->name);
+ baddeps = pm_list_add(baddeps, miss);
+ } else {
+ FREE(miss);
+ }
+ } else {
+ /* see if otp provides something in tp's conflict list */
+ PMList *m;
+ for(m = otp->provides; m; m = m->next) {
+ if(!strcmp(m->data, j->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, otp->name, PKG_NAME_LEN);
+ if(!pm_list_is_in(miss, baddeps)) {
+ _alpm_log(PM_LOG_FLOW2, "checkdeps: targs vs targs: adding %s as a conflict for %s",
+ otp->name, tp->name);
+ baddeps = pm_list_add(baddeps, miss);
+ } else {
+ FREE(miss);
+ }
+ }
+ }
+ }
+ }
+ }
+ /* CHECK 3: check database against targets */
+ for(k = db_get_pkgcache(db); k; k = k->next) {
+ info = k->data;
+ if(!strcmp(info->name, tp->name)) {
+ /* a package cannot conflict with itself -- that's just not nice */
+ continue;
+ }
+ for(j = info->conflicts; j; j = j->next) {
+ if(!strcmp((char *)j->data, tp->name)) {
+ 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)) {
+ _alpm_log(PM_LOG_FLOW2, "checkdeps: db vs targs: adding %s as a conflict for %s",
+ info->name, tp->name);
+ baddeps = pm_list_add(baddeps, miss);
+ } else {
+ FREE(miss);
+ }
+ } else {
+ /* see if the db package conflicts with something we provide */
+ 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)) {
+ _alpm_log(PM_LOG_FLOW2, "checkdeps: db vs targs: adding %s as a conflict for %s",
+ info->name, tp->name);
+ baddeps = pm_list_add(baddeps, miss);
+ } else {
+ FREE(miss);
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+
+ return(baddeps);
+}
+
PMList *db_find_conflicts(pmdb_t *db, PMList *targets, char *root, PMList **skip_list)
{
PMList *i, *j, *k;