There is no need to run all/remaining pre-transaction hooks as soon as a failure
has occured, which will lead to aborting the transaction.

So as soon as an error in the first phase (reading directories/parsing files)
occurs, or a hook flagged abort_on_fail does fail, we stop processing and
return.

(For post-transaction hooks, all hooks are run regardless since there's no
aborting.)

Signed-off-by: Olivier Brunel <[email protected]>
---
As discussed earlier with Andrew, this "replaces" the previous "alpm: Add event
ALPM_EVENT_HOOK_RUN_FAILED" patch I sent.

 lib/libalpm/hook.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/lib/libalpm/hook.c b/lib/libalpm/hook.c
index acd571d..9b204fb 100644
--- a/lib/libalpm/hook.c
+++ b/lib/libalpm/hook.c
@@ -624,6 +624,10 @@ int _alpm_hook_run(alpm_handle_t *handle, alpm_hook_when_t 
when)
                struct dirent entry, *result;
                DIR *d;
 
+               if(ret != 0 && when == ALPM_HOOK_PRE_TRANSACTION) {
+                       break;
+               }
+
                if((dirlen = strlen(i->data)) >= PATH_MAX) {
                        _alpm_log(handle, ALPM_LOG_ERROR, _("could not open 
directory: %s: %s\n"),
                                        (char *)i->data, 
strerror(ENAMETOOLONG));
@@ -648,6 +652,10 @@ int _alpm_hook_run(alpm_handle_t *handle, alpm_hook_when_t 
when)
                        struct stat buf;
                        size_t name_len;
 
+                       if(ret != 0 && when == ALPM_HOOK_PRE_TRANSACTION) {
+                               break;
+                       }
+
                        if(strcmp(entry.d_name, ".") == 0 || 
strcmp(entry.d_name, "..") == 0) {
                                        continue;
                        }
@@ -708,6 +716,10 @@ int _alpm_hook_run(alpm_handle_t *handle, alpm_hook_when_t 
when)
                closedir(d);
        }
 
+       if(ret != 0 && when == ALPM_HOOK_PRE_TRANSACTION) {
+               goto cleanup;
+       }
+
        hooks = alpm_list_msort(hooks, alpm_list_count(hooks),
                        (alpm_list_fn_cmp)_alpm_hook_cmp);
 
@@ -743,6 +755,10 @@ int _alpm_hook_run(alpm_handle_t *handle, alpm_hook_when_t 
when)
 
                hook_event.type = ALPM_EVENT_HOOK_RUN_DONE;
                EVENT(handle, &hook_event);
+
+               if(ret != 0 && when == ALPM_HOOK_PRE_TRANSACTION) {
+                       break;
+               }
        }
 
        event.type = ALPM_EVENT_HOOK_DONE;
-- 
2.6.4

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