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| Archlinux32 fork of pacman | gitolite user |
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| -rw-r--r-- | lib/libalpm/conflict.c | 172 |
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; |