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Move skipping of duplicate sync/remove targets into libalpm

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sync:
As pointed out by Andrew Gregory there could be an error when adding
duplicates if they are two separate packages with the same name. Add a
check in alpm_add_pkg() to test whether the duplicate is actually the
same package, and if so, log a debug message and return success to skip
the package. If the duplicate is a different package return
ALPM_ERR_TRANS_DUP_TARGET and treat that error just like any other error
in pacman.

remove:
Change alpm_remove_pkg() to just log a debug message and return success
to skip duplicates. Remove the handling of ALPM_ERR_TRANS_DUP_TARGET in
pacman.

Also fixes FS#49377.

Suggested-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Signed-off-by: Michael Straube <michael.straube@posteo.de>
Signed-off-by: Allan McRae <allan@archlinux.org>
This commit is contained in:
Michael Straube 2018-12-14 21:44:24 +01:00 • committed by Allan McRae
parent 984492b92f
commit 3a5a0d53bc
4 changed files with 13 additions and 19 deletions
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8
lib/libalpm/add.c
View file

@ -53,6 +53,7 @@ int SYMEXPORT alpm_add_pkg(alpm_handle_t *handle, alpm_pkg_t *pkg)
const char *pkgname, *pkgver;
alpm_trans_t *trans;
alpm_pkg_t *local;
alpm_pkg_t *dup;
/* Sanity checks */
CHECK_HANDLE(handle, return -1);
@ -70,7 +71,12 @@ int SYMEXPORT alpm_add_pkg(alpm_handle_t *handle, alpm_pkg_t *pkg)
_alpm_log(handle, ALPM_LOG_DEBUG, "adding package '%s'\n", pkgname);
if(alpm_pkg_find(trans->add, pkgname)) {
if((dup = alpm_pkg_find(trans->add, pkgname))) {
if(dup == pkg) {
_alpm_log(handle, ALPM_LOG_DEBUG, "skipping duplicate target: %s\n", pkgname);
return 0;
}
/* error for separate packages with the same name */
RET_ERR(handle, ALPM_ERR_TRANS_DUP_TARGET, -1);
}

3
lib/libalpm/remove.c
View file

@ -74,7 +74,8 @@ int SYMEXPORT alpm_remove_pkg(alpm_handle_t *handle, alpm_pkg_t *pkg)
pkgname = pkg->name;
if(alpm_pkg_find(trans->remove, pkgname)) {
RET_ERR(handle, ALPM_ERR_TRANS_DUP_TARGET, -1);
_alpm_log(handle, ALPM_LOG_DEBUG, "skipping duplicate target: %s\n", pkgname);
return 0;
}
_alpm_log(handle, ALPM_LOG_DEBUG, "adding package %s to the transaction remove list\n",

6
src/pacman/remove.c
View file

@ -44,15 +44,9 @@ static int remove_target(const char *target)
if((pkg = alpm_db_get_pkg(db_local, target)) != NULL) {
if(alpm_remove_pkg(config->handle, pkg) == -1) {
alpm_errno_t err = alpm_errno(config->handle);
if(err == ALPM_ERR_TRANS_DUP_TARGET) {
/* just skip duplicate targets */
pm_printf(ALPM_LOG_WARNING, _("skipping target: %s\n"), target);
return 0;
} else {
pm_printf(ALPM_LOG_ERROR, "'%s': %s\n", target, alpm_strerror(err));
return -1;
}
}
config->explicit_removes = alpm_list_add(config->explicit_removes, pkg);
return 0;
}

9
src/pacman/sync.c
View file

@ -521,16 +521,9 @@ static int process_pkg(alpm_pkg_t *pkg)
if(ret == -1) {
alpm_errno_t err = alpm_errno(config->handle);
if(err == ALPM_ERR_TRANS_DUP_TARGET) {
/* just skip duplicate targets */
pm_printf(ALPM_LOG_WARNING, _("skipping target: %s\n"), alpm_pkg_get_name(pkg));
return 0;
} else {
pm_printf(ALPM_LOG_ERROR, "'%s': %s\n", alpm_pkg_get_name(pkg),
alpm_strerror(err));
pm_printf(ALPM_LOG_ERROR, "'%s': %s\n", alpm_pkg_get_name(pkg), alpm_strerror(err));
return 1;
}
}
config->explicit_adds = alpm_list_add(config->explicit_adds, pkg);
return 0;
}