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-rw-r--r--lib/libalpm/alpm.h4
-rw-r--r--lib/libalpm/deps.c22
-rw-r--r--lib/libalpm/deps.h4
-rw-r--r--lib/libalpm/remove.c26
4 files changed, 49 insertions, 7 deletions
diff --git a/lib/libalpm/alpm.h b/lib/libalpm/alpm.h
index 027b1fee..bcc344d8 100644
--- a/lib/libalpm/alpm.h
+++ b/lib/libalpm/alpm.h
@@ -281,7 +281,8 @@ typedef enum _pmtransflag_t {
PM_TRANS_FLAG_NOCONFLICTS = 0x800,
PM_TRANS_FLAG_PRINTURIS = 0x1000,
PM_TRANS_FLAG_NEEDED = 0x2000,
- PM_TRANS_FLAG_ALLEXPLICIT = 0x4000
+ PM_TRANS_FLAG_ALLEXPLICIT = 0x4000,
+ PM_TRANS_FLAG_UNNEEDED = 0x8000
} pmtransflag_t;
/* Transaction Events */
@@ -378,6 +379,7 @@ alpm_list_t *alpm_deptest(pmdb_t *db, alpm_list_t *targets);
const char *alpm_miss_get_target(const pmdepmissing_t *miss);
pmdepend_t *alpm_miss_get_dep(pmdepmissing_t *miss);
+const char *alpm_miss_get_causingpkg(const pmdepmissing_t *miss);
alpm_list_t *alpm_checkdbconflicts(pmdb_t *db_local);
diff --git a/lib/libalpm/deps.c b/lib/libalpm/deps.c
index 5c63e9d6..c08c59e9 100644
--- a/lib/libalpm/deps.c
+++ b/lib/libalpm/deps.c
@@ -68,7 +68,8 @@ static void _alpm_graph_free(void *data)
free(graph);
}
-pmdepmissing_t *_alpm_depmiss_new(const char *target, pmdepend_t *dep)
+pmdepmissing_t *_alpm_depmiss_new(const char *target, pmdepend_t *dep,
+ const char *causingpkg)
{
pmdepmissing_t *miss;
@@ -78,6 +79,7 @@ pmdepmissing_t *_alpm_depmiss_new(const char *target, pmdepend_t *dep)
STRDUP(miss->target, target, RET_ERR(PM_ERR_MEMORY, NULL));
miss->depend = _alpm_dep_dup(dep);
+ STRDUP(miss->causingpkg, causingpkg, RET_ERR(PM_ERR_MEMORY, NULL));
return(miss);
}
@@ -86,6 +88,7 @@ void _alpm_depmiss_free(pmdepmissing_t *miss)
{
_alpm_dep_free(miss->depend);
FREE(miss->target);
+ FREE(miss->causingpkg);
FREE(miss);
}
@@ -298,7 +301,7 @@ alpm_list_t SYMEXPORT *alpm_checkdeps(pmdb_t *db, int reversedeps,
_alpm_log(PM_LOG_DEBUG, "checkdeps: missing dependency '%s' for package '%s'\n",
missdepstring, alpm_pkg_get_name(tp));
free(missdepstring);
- miss = _alpm_depmiss_new(alpm_pkg_get_name(tp), depend);
+ miss = _alpm_depmiss_new(alpm_pkg_get_name(tp), depend, "");
baddeps = alpm_list_add(baddeps, miss);
}
}
@@ -311,17 +314,18 @@ alpm_list_t SYMEXPORT *alpm_checkdeps(pmdb_t *db, int reversedeps,
pmpkg_t *lp = i->data;
for(j = alpm_pkg_get_depends(lp); j; j = j->next) {
pmdepend_t *depend = j->data;
+ pmpkg_t *causingpkg = alpm_list_find(modified, depend, satisfycmp);
/* we won't break this depend, if it is already broken, we ignore it */
/* 1. check upgrade list for satisfiers */
/* 2. check dblist for satisfiers */
- if(alpm_list_find(modified, depend, satisfycmp) &&
+ if(causingpkg &&
!alpm_list_find(upgrade, depend, satisfycmp) &&
!alpm_list_find(dblist, depend, satisfycmp)) {
char *missdepstring = alpm_dep_get_string(depend);
_alpm_log(PM_LOG_DEBUG, "checkdeps: transaction would break '%s' dependency of '%s'\n",
missdepstring, alpm_pkg_get_name(lp));
free(missdepstring);
- miss = _alpm_depmiss_new(lp->name, depend);
+ miss = _alpm_depmiss_new(lp->name, depend, alpm_pkg_get_name(causingpkg));
baddeps = alpm_list_add(baddeps, miss);
}
}
@@ -675,6 +679,16 @@ const char SYMEXPORT *alpm_miss_get_target(const pmdepmissing_t *miss)
return(miss->target);
}
+const char SYMEXPORT *alpm_miss_get_causingpkg(const pmdepmissing_t *miss)
+{
+ ALPM_LOG_FUNC;
+
+ /* Sanity checks */
+ ASSERT(miss != NULL, return(NULL));
+
+ return miss->causingpkg;
+}
+
pmdepend_t SYMEXPORT *alpm_miss_get_dep(pmdepmissing_t *miss)
{
ALPM_LOG_FUNC;
diff --git a/lib/libalpm/deps.h b/lib/libalpm/deps.h
index fdbfebed..439a92a2 100644
--- a/lib/libalpm/deps.h
+++ b/lib/libalpm/deps.h
@@ -37,6 +37,7 @@ struct __pmdepend_t {
struct __pmdepmissing_t {
char *target;
pmdepend_t *depend;
+ char *causingpkg; /* this is used in case of remove dependency error only */
};
/* Graphs */
@@ -51,7 +52,8 @@ struct __pmgraph_t {
void _alpm_dep_free(pmdepend_t *dep);
pmdepend_t *_alpm_dep_dup(const pmdepend_t *dep);
-pmdepmissing_t *_alpm_depmiss_new(const char *target, pmdepend_t *dep);
+pmdepmissing_t *_alpm_depmiss_new(const char *target, pmdepend_t *dep,
+ const char *causinpkg);
void _alpm_depmiss_free(pmdepmissing_t *miss);
alpm_list_t *_alpm_sortbydeps(alpm_list_t *targets, pmtranstype_t mode);
void _alpm_recursedeps(pmdb_t *db, alpm_list_t *targs, int include_explicit);
diff --git a/lib/libalpm/remove.c b/lib/libalpm/remove.c
index 10a055bb..a0c308fb 100644
--- a/lib/libalpm/remove.c
+++ b/lib/libalpm/remove.c
@@ -124,11 +124,35 @@ int _alpm_remove_prepare(pmtrans_t *trans, pmdb_t *db, alpm_list_t **data)
alpm_list_free(lp);
lp = alpm_checkdeps(db, 1, trans->packages, NULL);
}
+ } else if (trans->flags & PM_TRANS_FLAG_UNNEEDED) {
+ /* Remove needed packages (which break dependencies) from the target list */
+ while(lp != NULL) {
+ alpm_list_t *i;
+ for(i = lp; i; i = i->next) {
+ pmdepmissing_t *miss = (pmdepmissing_t *)i->data;
+ void *vpkg;
+ pmpkg_t *pkg;
+ pmpkg_t *dummy = _alpm_pkg_new(miss->causingpkg, NULL);
+ trans->packages = alpm_list_remove(trans->packages, dummy,
+ _alpm_pkg_cmp, &vpkg);
+ _alpm_pkg_free(dummy);
+ pkg = vpkg;
+ if(pkg) {
+ _alpm_log(PM_LOG_WARNING, "removing %s from the target-list\n",
+ alpm_pkg_get_name(pkg));
+ _alpm_pkg_free(pkg);
+ }
+ }
+ alpm_list_free_inner(lp, (alpm_list_fn_free)_alpm_depmiss_free);
+ alpm_list_free(lp);
+ lp = alpm_checkdeps(db, 1, trans->packages, NULL);
+ }
} else {
if(data) {
*data = lp;
} else {
- FREELIST(lp);
+ alpm_list_free_inner(lp, (alpm_list_fn_free)_alpm_depmiss_free);
+ alpm_list_free(lp);
}
RET_ERR(PM_ERR_UNSATISFIED_DEPS, -1);
}
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2025-10-31 17:32:18 +0000