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-rw-r--r--lib/libalpm/remove.c228
1 files changed, 138 insertions, 90 deletions
diff --git a/lib/libalpm/remove.c b/lib/libalpm/remove.c
index 1e8f9156..80eec67f 100644
--- a/lib/libalpm/remove.c
+++ b/lib/libalpm/remove.c
@@ -47,35 +47,45 @@
#include "handle.h"
#include "alpm.h"
-int _alpm_remove_loadtarget(pmtrans_t *trans, pmdb_t *db, char *name)
+int SYMEXPORT alpm_remove_target(char *target)
{
pmpkg_t *info;
- const char *targ;
+ pmtrans_t *trans;
+ pmdb_t *db_local;
+ alpm_list_t *p;
ALPM_LOG_FUNC;
- ASSERT(db != NULL, RET_ERR(PM_ERR_DB_NULL, -1));
+ /* Sanity checks */
+ ASSERT(target != NULL && strlen(target) != 0, RET_ERR(PM_ERR_WRONG_ARGS, -1));
+ ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
+ trans = handle->trans;
+ db_local = handle->db_local;
ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
- ASSERT(name != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1));
+ ASSERT(trans->state == STATE_INITIALIZED, RET_ERR(PM_ERR_TRANS_NOT_INITIALIZED, -1));
+ ASSERT(db_local != NULL, RET_ERR(PM_ERR_DB_NULL, -1));
- targ = strchr(name, '/');
- if(targ && strncmp(name, "local", 5) == 0) {
- targ++;
- } else {
- targ = name;
- }
- if(_alpm_pkg_find(trans->packages, targ)) {
+ if(_alpm_pkg_find(trans->remove, target)) {
RET_ERR(PM_ERR_TRANS_DUP_TARGET, -1);
}
- if((info = _alpm_db_get_pkgfromcache(db, targ)) == NULL) {
- _alpm_log(PM_LOG_DEBUG, "could not find %s in database\n", targ);
- RET_ERR(PM_ERR_PKG_NOT_FOUND, -1);
+ if((info = _alpm_db_get_pkgfromcache(db_local, target)) != NULL) {
+ _alpm_log(PM_LOG_DEBUG, "adding %s in the target list\n", info->name);
+ trans->remove = alpm_list_add(trans->remove, _alpm_pkg_dup(info));
+ return(0);
}
- _alpm_log(PM_LOG_DEBUG, "adding %s in target list\n", info->name);
- trans->packages = alpm_list_add(trans->packages, _alpm_pkg_dup(info));
+ _alpm_log(PM_LOG_DEBUG, "could not find %s in database\n", target);
+ pmgrp_t *grp = alpm_db_readgrp(db_local, target);
+ if(grp == NULL) {
+ RET_ERR(PM_ERR_PKG_NOT_FOUND, -1);
+ }
+ for(p = alpm_grp_get_pkgs(grp); p; p = alpm_list_next(p)) {
+ pmpkg_t *pkg = alpm_list_getdata(p);
+ _alpm_log(PM_LOG_DEBUG, "adding %s in the target list\n", pkg->name);
+ trans->remove = alpm_list_add(trans->remove, _alpm_pkg_dup(pkg));
+ }
return(0);
}
@@ -91,10 +101,10 @@ static void remove_prepare_cascade(pmtrans_t *trans, pmdb_t *db,
pmdepmissing_t *miss = (pmdepmissing_t *)i->data;
pmpkg_t *info = _alpm_db_get_pkgfromcache(db, miss->target);
if(info) {
- if(!_alpm_pkg_find(trans->packages, alpm_pkg_get_name(info))) {
+ if(!_alpm_pkg_find(trans->remove, alpm_pkg_get_name(info))) {
_alpm_log(PM_LOG_DEBUG, "pulling %s in target list\n",
alpm_pkg_get_name(info));
- trans->packages = alpm_list_add(trans->packages, _alpm_pkg_dup(info));
+ trans->remove = alpm_list_add(trans->remove, _alpm_pkg_dup(info));
}
} else {
_alpm_log(PM_LOG_ERROR, _("could not find %s in database -- skipping\n"),
@@ -103,7 +113,7 @@ static void remove_prepare_cascade(pmtrans_t *trans, pmdb_t *db,
}
alpm_list_free_inner(lp, (alpm_list_fn_free)_alpm_depmiss_free);
alpm_list_free(lp);
- lp = alpm_checkdeps(_alpm_db_get_pkgcache(db), 1, trans->packages, NULL);
+ lp = alpm_checkdeps(_alpm_db_get_pkgcache(db), 1, trans->remove, NULL);
}
}
@@ -118,11 +128,11 @@ static void remove_prepare_keep_needed(pmtrans_t *trans, pmdb_t *db,
for(i = lp; i; i = i->next) {
pmdepmissing_t *miss = (pmdepmissing_t *)i->data;
void *vpkg;
- pmpkg_t *pkg = _alpm_pkg_find(trans->packages, miss->causingpkg);
+ pmpkg_t *pkg = _alpm_pkg_find(trans->remove, miss->causingpkg);
if(pkg == NULL) {
continue;
}
- trans->packages = alpm_list_remove(trans->packages, pkg, _alpm_pkg_cmp,
+ trans->remove = alpm_list_remove(trans->remove, pkg, _alpm_pkg_cmp,
&vpkg);
pkg = vpkg;
if(pkg) {
@@ -133,7 +143,7 @@ static void remove_prepare_keep_needed(pmtrans_t *trans, pmdb_t *db,
}
alpm_list_free_inner(lp, (alpm_list_fn_free)_alpm_depmiss_free);
alpm_list_free(lp);
- lp = alpm_checkdeps(_alpm_db_get_pkgcache(db), 1, trans->packages, NULL);
+ lp = alpm_checkdeps(_alpm_db_get_pkgcache(db), 1, trans->remove, NULL);
}
}
@@ -146,21 +156,16 @@ int _alpm_remove_prepare(pmtrans_t *trans, pmdb_t *db, alpm_list_t **data)
ASSERT(db != NULL, RET_ERR(PM_ERR_DB_NULL, -1));
ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
- /* skip all checks if we are doing this removal as part of an upgrade */
- if(trans->type == PM_TRANS_TYPE_REMOVEUPGRADE) {
- return(0);
- }
-
if((trans->flags & PM_TRANS_FLAG_RECURSE) && !(trans->flags & PM_TRANS_FLAG_CASCADE)) {
_alpm_log(PM_LOG_DEBUG, "finding removable dependencies\n");
- _alpm_recursedeps(db, trans->packages, trans->flags & PM_TRANS_FLAG_RECURSEALL);
+ _alpm_recursedeps(db, trans->remove, trans->flags & PM_TRANS_FLAG_RECURSEALL);
}
if(!(trans->flags & PM_TRANS_FLAG_NODEPS)) {
EVENT(trans, PM_TRANS_EVT_CHECKDEPS_START, NULL, NULL);
_alpm_log(PM_LOG_DEBUG, "looking for unsatisfied dependencies\n");
- lp = alpm_checkdeps(_alpm_db_get_pkgcache(db), 1, trans->packages, NULL);
+ lp = alpm_checkdeps(_alpm_db_get_pkgcache(db), 1, trans->remove, NULL);
if(lp != NULL) {
if(trans->flags & PM_TRANS_FLAG_CASCADE) {
@@ -183,15 +188,15 @@ int _alpm_remove_prepare(pmtrans_t *trans, pmdb_t *db, alpm_list_t **data)
/* re-order w.r.t. dependencies */
_alpm_log(PM_LOG_DEBUG, "sorting by dependencies\n");
- lp = _alpm_sortbydeps(trans->packages, 1);
+ lp = _alpm_sortbydeps(trans->remove, 1);
/* free the old alltargs */
- alpm_list_free(trans->packages);
- trans->packages = lp;
+ alpm_list_free(trans->remove);
+ trans->remove = lp;
/* -Rcs == -Rc then -Rs */
if((trans->flags & PM_TRANS_FLAG_CASCADE) && (trans->flags & PM_TRANS_FLAG_RECURSE)) {
_alpm_log(PM_LOG_DEBUG, "finding removable dependencies\n");
- _alpm_recursedeps(db, trans->packages, trans->flags & PM_TRANS_FLAG_RECURSEALL);
+ _alpm_recursedeps(db, trans->remove, trans->flags & PM_TRANS_FLAG_RECURSEALL);
}
if(!(trans->flags & PM_TRANS_FLAG_NODEPS)) {
@@ -201,13 +206,13 @@ int _alpm_remove_prepare(pmtrans_t *trans, pmdb_t *db, alpm_list_t **data)
return(0);
}
-static int can_remove_file(pmtrans_t *trans, const char *path)
+static int can_remove_file(const char *path, alpm_list_t *skip)
{
char file[PATH_MAX+1];
snprintf(file, PATH_MAX, "%s%s", handle->root, path);
- if(alpm_list_find_str(trans->skip_remove, file)) {
+ if(alpm_list_find_str(skip, file)) {
/* return success because we will never actually remove this file */
return(1);
}
@@ -228,7 +233,7 @@ static int can_remove_file(pmtrans_t *trans, const char *path)
/* Helper function for iterating through a package's file and deleting them
* Used by _alpm_remove_commit. */
-static void unlink_file(pmpkg_t *info, char *filename, pmtrans_t *trans)
+static void unlink_file(pmpkg_t *info, char *filename, alpm_list_t *skip_remove, int nosave)
{
struct stat buf;
char file[PATH_MAX+1];
@@ -237,13 +242,13 @@ static void unlink_file(pmpkg_t *info, char *filename, pmtrans_t *trans)
snprintf(file, PATH_MAX, "%s%s", handle->root, filename);
- if(trans->type == PM_TRANS_TYPE_REMOVEUPGRADE) {
- /* check noupgrade */
- if(alpm_list_find_str(handle->noupgrade, filename)) {
- _alpm_log(PM_LOG_DEBUG, "Skipping removal of '%s' due to NoUpgrade\n",
- file);
- return;
- }
+ /* check the remove skip list before removing the file.
+ * see the big comment block in db_find_fileconflicts() for an
+ * explanation. */
+ if(alpm_list_find_str(skip_remove, filename)) {
+ _alpm_log(PM_LOG_DEBUG, "%s is in skip_remove, skipping removal\n",
+ file);
+ return;
}
/* we want to do a lstat here, and not a _alpm_lstat.
@@ -263,19 +268,10 @@ static void unlink_file(pmpkg_t *info, char *filename, pmtrans_t *trans)
_alpm_log(PM_LOG_DEBUG, "removing directory %s\n", file);
}
} else {
- /* check the remove skip list before removing the file.
- * see the big comment block in db_find_fileconflicts() for an
- * explanation. */
- if(alpm_list_find_str(trans->skip_remove, file)) {
- _alpm_log(PM_LOG_DEBUG, "%s is in trans->skip_remove, skipping removal\n",
- file);
- return;
- }
-
/* if the file needs backup and has been modified, back it up to .pacsave */
char *pkghash = _alpm_needbackup(filename, alpm_pkg_get_backup(info));
if(pkghash) {
- if(trans->flags & PM_TRANS_FLAG_NOSAVE) {
+ if(nosave) {
_alpm_log(PM_LOG_DEBUG, "transaction is set to NOSAVE, not backing up '%s'\n", file);
FREE(pkghash);
} else {
@@ -303,7 +299,69 @@ static void unlink_file(pmpkg_t *info, char *filename, pmtrans_t *trans)
}
}
-int _alpm_remove_commit(pmtrans_t *trans, pmdb_t *db)
+int _alpm_upgraderemove_package(pmpkg_t *oldpkg, pmpkg_t *newpkg, pmtrans_t *trans)
+{
+ alpm_list_t *skip_remove, *b;
+ alpm_list_t *newfiles, *lp;
+ alpm_list_t *files = alpm_pkg_get_files(oldpkg);
+ const char *pkgname = alpm_pkg_get_name(oldpkg);
+
+ ALPM_LOG_FUNC;
+
+ _alpm_log(PM_LOG_DEBUG, "removing old package first (%s-%s)\n",
+ oldpkg->name, oldpkg->version);
+
+ /* copy the remove skiplist over */
+ skip_remove =
+ alpm_list_join(alpm_list_strdup(trans->skip_remove),alpm_list_strdup(handle->noupgrade));
+ /* Add files in the NEW backup array to the skip_remove array
+ * so this removal operation doesn't kill them */
+ /* old package backup list */
+ alpm_list_t *filelist = alpm_pkg_get_files(newpkg);
+ for(b = alpm_pkg_get_backup(newpkg); b; b = b->next) {
+ char *backup = _alpm_backup_file(b->data);
+ /* safety check (fix the upgrade026 pactest) */
+ if(!alpm_list_find_str(filelist, backup)) {
+ FREE(backup);
+ continue;
+ }
+ _alpm_log(PM_LOG_DEBUG, "adding %s to the skip_remove array\n", backup);
+ skip_remove = alpm_list_add(skip_remove, backup);
+ }
+
+ for(lp = files; lp; lp = lp->next) {
+ if(!can_remove_file(lp->data, skip_remove)) {
+ _alpm_log(PM_LOG_DEBUG, "not removing package '%s', can't remove all files\n",
+ pkgname);
+ RET_ERR(PM_ERR_PKG_CANT_REMOVE, -1);
+ }
+ }
+
+ /* iterate through the list backwards, unlinking files */
+ newfiles = alpm_list_reverse(files);
+ for(lp = newfiles; lp; lp = alpm_list_next(lp)) {
+ unlink_file(oldpkg, lp->data, skip_remove, 0);
+ }
+ alpm_list_free(newfiles);
+ FREELIST(skip_remove);
+
+ /* remove the package from the database */
+ _alpm_log(PM_LOG_DEBUG, "updating database\n");
+ _alpm_log(PM_LOG_DEBUG, "removing database entry '%s'\n", pkgname);
+ if(_alpm_db_remove(handle->db_local, oldpkg) == -1) {
+ _alpm_log(PM_LOG_ERROR, _("could not remove database entry %s-%s\n"),
+ pkgname, alpm_pkg_get_version(oldpkg));
+ }
+ /* remove the package from the cache */
+ if(_alpm_db_remove_pkgfromcache(handle->db_local, oldpkg) == -1) {
+ _alpm_log(PM_LOG_ERROR, _("could not remove entry '%s' from cache\n"),
+ pkgname);
+ }
+
+ return(0);
+}
+
+int _alpm_remove_packages(pmtrans_t *trans, pmdb_t *db)
{
pmpkg_t *info;
alpm_list_t *targ, *lp;
@@ -314,14 +372,14 @@ int _alpm_remove_commit(pmtrans_t *trans, pmdb_t *db)
ASSERT(db != NULL, RET_ERR(PM_ERR_DB_NULL, -1));
ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
- pkg_count = alpm_list_count(trans->packages);
+ pkg_count = alpm_list_count(trans->remove);
- for(targ = trans->packages; targ; targ = targ->next) {
+ for(targ = trans->remove; targ; targ = targ->next) {
int position = 0;
char scriptlet[PATH_MAX];
- alpm_list_t *files;
info = (pmpkg_t*)targ->data;
const char *pkgname = NULL;
+ int targcount = alpm_list_count(targ);
if(handle->trans->state == STATE_INTERRUPTED) {
return(0);
@@ -329,26 +387,23 @@ int _alpm_remove_commit(pmtrans_t *trans, pmdb_t *db)
/* get the name now so we can use it after package is removed */
pkgname = alpm_pkg_get_name(info);
- snprintf(scriptlet, PATH_MAX, "%s%s-%s/install", db->path,
- pkgname, alpm_pkg_get_version(info));
-
- if(trans->type != PM_TRANS_TYPE_REMOVEUPGRADE) {
- EVENT(trans, PM_TRANS_EVT_REMOVE_START, info, NULL);
- _alpm_log(PM_LOG_DEBUG, "removing package %s-%s\n",
- pkgname, alpm_pkg_get_version(info));
-
- /* run the pre-remove scriptlet if it exists */
- if(alpm_pkg_has_scriptlet(info) && !(trans->flags & PM_TRANS_FLAG_NOSCRIPTLET)) {
- _alpm_runscriptlet(handle->root, scriptlet, "pre_remove",
- alpm_pkg_get_version(info), NULL, trans);
- }
- }
+ snprintf(scriptlet, PATH_MAX, "%s%s-%s/install",
+ _alpm_db_path(db), pkgname, alpm_pkg_get_version(info));
- files = alpm_pkg_get_files(info);
+ EVENT(trans, PM_TRANS_EVT_REMOVE_START, info, NULL);
+ _alpm_log(PM_LOG_DEBUG, "removing package %s-%s\n",
+ pkgname, alpm_pkg_get_version(info));
+
+ /* run the pre-remove scriptlet if it exists */
+ if(alpm_pkg_has_scriptlet(info) && !(trans->flags & PM_TRANS_FLAG_NOSCRIPTLET)) {
+ _alpm_runscriptlet(handle->root, scriptlet, "pre_remove",
+ alpm_pkg_get_version(info), NULL, trans);
+ }
if(!(trans->flags & PM_TRANS_FLAG_DBONLY)) {
+ alpm_list_t *files = alpm_pkg_get_files(info);
for(lp = files; lp; lp = lp->next) {
- if(!can_remove_file(trans, lp->data)) {
+ if(!can_remove_file(lp->data, NULL)) {
_alpm_log(PM_LOG_DEBUG, "not removing package '%s', can't remove all files\n",
pkgname);
RET_ERR(PM_ERR_PKG_CANT_REMOVE, -1);
@@ -356,20 +411,20 @@ int _alpm_remove_commit(pmtrans_t *trans, pmdb_t *db)
}
int filenum = alpm_list_count(files);
- double percent = 0.0;
alpm_list_t *newfiles;
_alpm_log(PM_LOG_DEBUG, "removing %d files\n", filenum);
/* iterate through the list backwards, unlinking files */
newfiles = alpm_list_reverse(files);
for(lp = newfiles; lp; lp = alpm_list_next(lp)) {
- unlink_file(info, lp->data, trans);
+ double percent;
+ unlink_file(info, lp->data, NULL, trans->flags & PM_TRANS_FLAG_NOSAVE);
/* update progress bar after each file */
percent = (double)position / (double)filenum;
PROGRESS(trans, PM_TRANS_PROGRESS_REMOVE_START, info->name,
(double)(percent * 100), pkg_count,
- (pkg_count - alpm_list_count(targ) + 1));
+ (pkg_count - targcount + 1));
position++;
}
alpm_list_free(newfiles);
@@ -377,14 +432,12 @@ int _alpm_remove_commit(pmtrans_t *trans, pmdb_t *db)
/* set progress to 100% after we finish unlinking files */
PROGRESS(trans, PM_TRANS_PROGRESS_REMOVE_START, pkgname, 100,
- pkg_count, (pkg_count - alpm_list_count(targ) + 1));
+ pkg_count, (pkg_count - targcount + 1));
- if(trans->type != PM_TRANS_TYPE_REMOVEUPGRADE) {
- /* run the post-remove script if it exists */
- if(alpm_pkg_has_scriptlet(info) && !(trans->flags & PM_TRANS_FLAG_NOSCRIPTLET)) {
- _alpm_runscriptlet(handle->root, scriptlet, "post_remove",
- alpm_pkg_get_version(info), NULL, trans);
- }
+ /* run the post-remove script if it exists */
+ if(alpm_pkg_has_scriptlet(info) && !(trans->flags & PM_TRANS_FLAG_NOSCRIPTLET)) {
+ _alpm_runscriptlet(handle->root, scriptlet, "post_remove",
+ alpm_pkg_get_version(info), NULL, trans);
}
/* remove the package from the database */
@@ -400,16 +453,11 @@ int _alpm_remove_commit(pmtrans_t *trans, pmdb_t *db)
pkgname);
}
- /* call a done event if this isn't an upgrade */
- if(trans->type != PM_TRANS_TYPE_REMOVEUPGRADE) {
- EVENT(trans, PM_TRANS_EVT_REMOVE_DONE, info, NULL);
- }
+ EVENT(trans, PM_TRANS_EVT_REMOVE_DONE, info, NULL);
}
/* run ldconfig if it exists */
- if(trans->type != PM_TRANS_TYPE_REMOVEUPGRADE) {
- _alpm_ldconfig(handle->root);
- }
+ _alpm_ldconfig(handle->root);
return(0);
}

Copyright © 2002-2022 Judd Vinet and Aaron Griffin. Copyright © 2022 Erich Eckner.
The Arch Linux name and logo are recognized trademarks. Some rights reserved. The registered trademark Linux® is used pursuant to a sublicense from LMI, the exclusive licensee of Linus Torvalds, owner of the mark on a world-wide basis.