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remove.c: refactor into functions

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Pulled two loops out of _alpm_remove_prepare and gave them their own
functions.

Signed-off-by: K. Piche <kevin@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
This commit is contained in:
K. Piche 2008-04-04 23:02:23 -04:00 committed by Dan McGee
parent db4258c1fd
commit 2d991a25ae
1 changed files with 59 additions and 40 deletions
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99
lib/libalpm/remove.c
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@ -81,6 +81,60 @@ int _alpm_remove_loadtarget(pmtrans_t *trans, pmdb_t *db, char *name)
return(0);
}
static void remove_prepare_cascade(pmtrans_t *trans, pmdb_t *db,
alpm_list_t *lp)
{
ALPM_LOG_FUNC;
while(lp) {
alpm_list_t *i;
for(i = lp; i; i = i->next) {
pmdepmissing_t *miss = (pmdepmissing_t *)i->data;
pmpkg_t *info = _alpm_db_get_pkgfromcache(db, miss->target);
if(info) {
if(!_alpm_pkg_find(alpm_pkg_get_name(info), trans->packages)) {
_alpm_log(PM_LOG_DEBUG, "pulling %s in the targets list\n",
alpm_pkg_get_name(info));
trans->packages = alpm_list_add(trans->packages, _alpm_pkg_dup(info));
}
} else {
_alpm_log(PM_LOG_ERROR, _("could not find %s in database -- skipping\n"),
miss->target);
}
}
alpm_list_free_inner(lp, (alpm_list_fn_free)_alpm_depmiss_free);
alpm_list_free(lp);
lp = alpm_checkdeps(db, 1, trans->packages, NULL);
}
}
static void remove_prepare_keep_needed(pmtrans_t *trans, pmdb_t *db,
alpm_list_t *lp)
{
ALPM_LOG_FUNC;
/* 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;
trans->packages = alpm_list_remove(trans->packages, miss->causingpkg,
_alpm_pkgname_pkg_cmp, &vpkg);
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);
}
}
int _alpm_remove_prepare(pmtrans_t *trans, pmdb_t *db, alpm_list_t **data)
{
alpm_list_t *lp;
@ -101,48 +155,13 @@ int _alpm_remove_prepare(pmtrans_t *trans, pmdb_t *db, alpm_list_t **data)
_alpm_log(PM_LOG_DEBUG, "looking for unsatisfied dependencies\n");
lp = alpm_checkdeps(db, 1, trans->packages, NULL);
if(lp != NULL) {
if(trans->flags & PM_TRANS_FLAG_CASCADE) {
while(lp) {
alpm_list_t *i;
for(i = lp; i; i = i->next) {
pmdepmissing_t *miss = (pmdepmissing_t *)i->data;
pmpkg_t *info = _alpm_db_get_pkgfromcache(db, miss->target);
if(info) {
if(!_alpm_pkg_find(alpm_pkg_get_name(info), trans->packages)) {
_alpm_log(PM_LOG_DEBUG, "pulling %s in the targets list\n",
alpm_pkg_get_name(info));
trans->packages = alpm_list_add(trans->packages, _alpm_pkg_dup(info));
}
} else {
_alpm_log(PM_LOG_ERROR, _("could not find %s in database -- skipping\n"),
miss->target);
}
}
alpm_list_free_inner(lp, (alpm_list_fn_free)_alpm_depmiss_free);
alpm_list_free(lp);
lp = alpm_checkdeps(db, 1, trans->packages, NULL);
}
remove_prepare_cascade(trans, db, lp);
} 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;
trans->packages = alpm_list_remove(trans->packages, miss->causingpkg,
_alpm_pkgname_pkg_cmp, &vpkg);
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);
}
/* Remove needed packages (which would break dependencies)
* from the target list */
remove_prepare_keep_needed(trans, db, lp);
} else {
if(data) {
*data = lp;