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lib/sync: ignore download errors for as long as possible 

Previously, the behavior was such that if a sync operation required
packages from multiple repos, a download error in the first repo would
cause a hard repo, ignoring the remainder of the repositories. Change
this behavior so that we do a better job of fetching as many packages as
possible before aborting the transaction.

There's a little bit of refactoring mixed in here to get rid of some
useless variables. Since we now depend heavily on the value of
handle->pm_errno being accurate the determine the function's return
value, we clear it when the transaction state is set.

Fixes FS#25532.

Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
This commit is contained in:
Dave Reisner 2011-08-15 13:43:34 -04:00 committed by Dan McGee
parent 796eaaed40
commit 5fc3ecf7f8
1 changed files with 13 additions and 11 deletions
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24
lib/libalpm/sync.c
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@ -738,10 +738,11 @@ static int download_files(alpm_handle_t *handle, alpm_list_t **deltas)
const char *cachedir;
alpm_list_t *i, *j;
alpm_list_t *files = NULL;
int errors = 0;
enum _alpm_errno_t errsv = 0;
cachedir = _alpm_filecache_setup(handle);
handle->trans->state = STATE_DOWNLOADING;
handle->pm_errno = 0;
/* Total progress - figure out the total download size if required to
* pass to the callback. This function is called once, and it is up to the
@ -820,21 +821,15 @@ static int download_files(alpm_handle_t *handle, alpm_list_t **deltas)
}
}
if(ret == -1) {
errors++;
_alpm_log(handle, ALPM_LOG_WARNING, _("failed to retrieve some files from %s\n"),
current->treename);
errsv = ALPM_ERR_RETRIEVE;
}
}
alpm_list_free_inner(files, (alpm_list_fn_free)_alpm_dload_payload_free);
alpm_list_free(files);
files = NULL;
if(errors) {
_alpm_log(handle, ALPM_LOG_WARNING, _("failed to retrieve some files from %s\n"),
current->treename);
if(handle->pm_errno == 0) {
handle->pm_errno = ALPM_ERR_RETRIEVE;
}
return -1;
}
}
}
@ -848,7 +843,14 @@ static int download_files(alpm_handle_t *handle, alpm_list_t **deltas)
if(handle->totaldlcb) {
handle->totaldlcb(0);
}
return 0;
/* set errno accordingly. an error occuring in the downloader itself will
* take precedence over a general retrieval error */
if(handle->pm_errno == 0) {
handle->pm_errno = errsv;
}
return handle->pm_errno > 0 ? -1 : 0;
}
int _alpm_sync_commit(alpm_handle_t *handle, alpm_list_t **data)