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-rw-r--r--doc/pacman.8.txt5
-rw-r--r--lib/libalpm/alpm.h2
-rw-r--r--lib/libalpm/sync.c18
-rw-r--r--lib/libalpm/sync.h2
-rw-r--r--lib/libalpm/trans.c4
-rw-r--r--pactest/tests/sync104.py12
-rw-r--r--src/pacman/pacman.c4
-rw-r--r--src/pacman/sync.c2
8 files changed, 38 insertions, 11 deletions
diff --git a/doc/pacman.8.txt b/doc/pacman.8.txt
index b56ad6b5..b288a592 100644
--- a/doc/pacman.8.txt
+++ b/doc/pacman.8.txt
@@ -327,7 +327,10 @@ linkman:pacman.conf[5].
report of all packages to upgrade will be presented and the operation
will not proceed without user confirmation. Dependencies are
automatically resolved at this level and will be installed/upgraded if
- necessary.
+ necessary. Pass this option twice to enable package downgrade; in this
+ case pacman will select sync packages whose version does not match with
+ the local version. This can be useful when the user switches from a testing
+ repo to a stable one.
*-w, \--downloadonly*::
Retrieve all packages from the server, but do not install/upgrade
diff --git a/lib/libalpm/alpm.h b/lib/libalpm/alpm.h
index e46942d9..5285ac39 100644
--- a/lib/libalpm/alpm.h
+++ b/lib/libalpm/alpm.h
@@ -397,7 +397,7 @@ alpm_list_t * alpm_trans_get_pkgs();
int alpm_trans_init(pmtranstype_t type, pmtransflag_t flags,
alpm_trans_cb_event cb_event, alpm_trans_cb_conv conv,
alpm_trans_cb_progress cb_progress);
-int alpm_trans_sysupgrade(void);
+int alpm_trans_sysupgrade(int enable_downgrade);
int alpm_trans_addtarget(char *target);
int alpm_trans_prepare(alpm_list_t **data);
int alpm_trans_commit(alpm_list_t **data);
diff --git a/lib/libalpm/sync.c b/lib/libalpm/sync.c
index ffcddf98..47639248 100644
--- a/lib/libalpm/sync.c
+++ b/lib/libalpm/sync.c
@@ -80,7 +80,7 @@ pmpkg_t SYMEXPORT *alpm_sync_newversion(pmpkg_t *pkg, alpm_list_t *dbs_sync)
return(NULL);
}
-int _alpm_sync_sysupgrade(pmtrans_t *trans, pmdb_t *db_local, alpm_list_t *dbs_sync)
+int _alpm_sync_sysupgrade(pmtrans_t *trans, pmdb_t *db_local, alpm_list_t *dbs_sync, int enable_downgrade)
{
alpm_list_t *i, *j, *k;
@@ -116,8 +116,20 @@ int _alpm_sync_sysupgrade(pmtrans_t *trans, pmdb_t *db_local, alpm_list_t *dbs_s
trans->packages = alpm_list_add(trans->packages, spkg);
}
} else if(cmp < 0) {
- _alpm_log(PM_LOG_WARNING, _("%s: local (%s) is newer than %s (%s)\n"),
- lpkg->name, lpkg->version, sdb->treename, spkg->version);
+ if(enable_downgrade) {
+ /* check IgnorePkg/IgnoreGroup */
+ if(_alpm_pkg_should_ignore(spkg) || _alpm_pkg_should_ignore(lpkg)) {
+ _alpm_log(PM_LOG_WARNING, _("%s: ignoring package downgrade (%s => %s)\n"),
+ lpkg->name, lpkg->version, spkg->version);
+ } else {
+ _alpm_log(PM_LOG_WARNING, _("%s: downgrading from version %s to version %s\n"),
+ lpkg->name, lpkg->version, spkg->version);
+ trans->packages = alpm_list_add(trans->packages, spkg);
+ }
+ } else {
+ _alpm_log(PM_LOG_WARNING, _("%s: local (%s) is newer than %s (%s)\n"),
+ lpkg->name, lpkg->version, sdb->treename, spkg->version);
+ }
}
break; /* jump to next local package */
} else { /* 2. search for replacers in sdb */
diff --git a/lib/libalpm/sync.h b/lib/libalpm/sync.h
index 5d642073..c2905a45 100644
--- a/lib/libalpm/sync.h
+++ b/lib/libalpm/sync.h
@@ -24,7 +24,7 @@
#include "alpm.h"
-int _alpm_sync_sysupgrade(pmtrans_t *trans, pmdb_t *db_local, alpm_list_t *dbs_sync);
+int _alpm_sync_sysupgrade(pmtrans_t *trans, pmdb_t *db_local, alpm_list_t *dbs_sync, int enable_downgrade);
int _alpm_sync_addtarget(pmtrans_t *trans, pmdb_t *db_local, alpm_list_t *dbs_sync, char *name);
int _alpm_sync_prepare(pmtrans_t *trans, pmdb_t *db_local, alpm_list_t *dbs_sync, alpm_list_t **data);
diff --git a/lib/libalpm/trans.c b/lib/libalpm/trans.c
index d1c0e930..6e847e64 100644
--- a/lib/libalpm/trans.c
+++ b/lib/libalpm/trans.c
@@ -89,7 +89,7 @@ int SYMEXPORT alpm_trans_init(pmtranstype_t type, pmtransflag_t flags,
/** Search for packages to upgrade and add them to the transaction.
* @return 0 on success, -1 on error (pm_errno is set accordingly)
*/
-int SYMEXPORT alpm_trans_sysupgrade()
+int SYMEXPORT alpm_trans_sysupgrade(int enable_downgrade)
{
pmtrans_t *trans;
@@ -102,7 +102,7 @@ int SYMEXPORT alpm_trans_sysupgrade()
ASSERT(trans->state == STATE_INITIALIZED, RET_ERR(PM_ERR_TRANS_NOT_INITIALIZED, -1));
ASSERT(trans->type == PM_TRANS_TYPE_SYNC, RET_ERR(PM_ERR_TRANS_TYPE, -1));
- return(_alpm_sync_sysupgrade(trans, handle->db_local, handle->dbs_sync));
+ return(_alpm_sync_sysupgrade(trans, handle->db_local, handle->dbs_sync, enable_downgrade));
}
/** Add a target to the transaction.
diff --git a/pactest/tests/sync104.py b/pactest/tests/sync104.py
new file mode 100644
index 00000000..6d51b85a
--- /dev/null
+++ b/pactest/tests/sync104.py
@@ -0,0 +1,12 @@
+self.description = "-Suu"
+
+sp = pmpkg("dummy", "0.9-1")
+lp = pmpkg("dummy", "1.0-1")
+
+self.addpkg2db("sync", sp)
+self.addpkg2db("local", lp)
+
+self.args = "-Suu"
+
+self.addrule("PACMAN_RETCODE=0")
+self.addrule("PKG_VERSION=dummy|0.9-1")
diff --git a/src/pacman/pacman.c b/src/pacman/pacman.c
index 48d45ad1..d5e600a5 100644
--- a/src/pacman/pacman.c
+++ b/src/pacman/pacman.c
@@ -130,7 +130,7 @@ static void usage(int op, const char * const myname)
printf(_(" -l, --list <repo> view a list of packages in a repo\n"));
printf(_(" -p, --print-uris print out URIs for given packages and their dependencies\n"));
printf(_(" -s, --search <regex> search remote repositories for matching strings\n"));
- printf(_(" -u, --sysupgrade upgrade all packages that are out of date\n"));
+ printf(_(" -u, --sysupgrade upgrade all outdated packages (-uu enables downgrade)\n"));
printf(_(" -w, --downloadonly download packages but do not install/upgrade anything\n"));
printf(_(" -y, --refresh download fresh package databases from the server\n"));
printf(_(" --needed don't reinstall up to date packages\n"));
@@ -508,7 +508,7 @@ static int parseargs(int argc, char *argv[])
config->op_q_unrequired = 1;
break;
case 'u':
- config->op_s_upgrade = 1;
+ (config->op_s_upgrade)++;
config->op_q_upgrade = 1;
config->flags |= PM_TRANS_FLAG_UNNEEDED;
break;
diff --git a/src/pacman/sync.c b/src/pacman/sync.c
index cb0b8b19..4da65400 100644
--- a/src/pacman/sync.c
+++ b/src/pacman/sync.c
@@ -563,7 +563,7 @@ static int sync_trans(alpm_list_t *targets)
if(config->op_s_upgrade) {
printf(_(":: Starting full system upgrade...\n"));
alpm_logaction("starting full system upgrade\n");
- if(alpm_trans_sysupgrade() == -1) {
+ if(alpm_trans_sysupgrade(config->op_s_upgrade >= 2) == -1) {
pm_fprintf(stderr, PM_LOG_ERROR, "%s\n", alpm_strerrorlast());
retval = 1;
goto cleanup;
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-04-29 00:33:19 +0200