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-rw-r--r--lib/libalpm/sync.c143
1 files changed, 67 insertions, 76 deletions
diff --git a/lib/libalpm/sync.c b/lib/libalpm/sync.c
index 3a4169e8..8148cfdc 100644
--- a/lib/libalpm/sync.c
+++ b/lib/libalpm/sync.c
@@ -671,83 +671,82 @@ unsigned long SYMEXPORT alpm_pkg_download_size(pmpkg_t *newpkg)
* ending package files.
*
* @param trans the transaction
- * @param patches A list of alternating pmpkg_t * and pmdelta_t *
- * objects. The patch command will be built using the pmpkg_t, pmdelta_t
- * pair.
*
* @return 0 if all delta files were able to be applied, 1 otherwise.
*/
-static int apply_deltas(pmtrans_t *trans, alpm_list_t *patches)
+static int apply_deltas(pmtrans_t *trans)
{
- /* keep track of the previous package in the loop to decide if a
- * package file should be deleted */
- pmpkg_t *lastpkg = NULL;
- int lastpkg_failed = 0;
+ alpm_list_t *i;
int ret = 0;
const char *cachedir = _alpm_filecache_setup();
- alpm_list_t *p = patches;
- while(p) {
- pmpkg_t *pkg;
- pmdelta_t *d;
- char command[PATH_MAX], fname[PATH_MAX];
+ for(i = trans->packages; i; i = i->next) {
+ pmsyncpkg_t *sync = i->data;
+ pmpkg_t *spkg = sync->pkg;
+ alpm_list_t *delta_path = spkg->delta_path;
+ alpm_list_t *dlts = NULL;
- pkg = alpm_list_getdata(p);
- p = alpm_list_next(p);
+ if(!delta_path) {
+ continue;
+ }
- d = alpm_list_getdata(p);
- p = alpm_list_next(p);
+ for(dlts = delta_path; dlts; dlts = dlts->next) {
+ pmdelta_t *d = dlts->data;
+ char *delta, *from, *to;
+ char command[PATH_MAX];
+ int len = 0;
- /* if patching fails, ignore the rest of that package's deltas */
- if(lastpkg_failed) {
- if(pkg == lastpkg) {
- continue;
+ delta = _alpm_filecache_find(d->delta);
+ /* the initial package might be in a different cachedir */
+ if(dlts == delta_path) {
+ from = _alpm_filecache_find(d->from);
} else {
- lastpkg_failed = 0;
+ /* len = cachedir len + from len + '/' + null */
+ len = strlen(cachedir) + strlen(d->from) + 2;
+ CALLOC(from, len, sizeof(char), RET_ERR(PM_ERR_MEMORY, 1));
+ snprintf(from, len, "%s/%s", cachedir, d->from);
}
- }
+ len = strlen(cachedir) + strlen(d->to) + 2;
+ CALLOC(to, len, sizeof(char), RET_ERR(PM_ERR_MEMORY, 1));
+ snprintf(to, len, "%s/%s", cachedir, d->to);
- /* an example of the patch command: (using /cache for cachedir)
- * xdelta patch /cache/pacman_3.0.0-1_to_3.0.1-1-i686.delta \
- * /cache/pacman-3.0.0-1-i686.pkg.tar.gz \
- * /cache/pacman-3.0.1-1-i686.pkg.tar.gz
- */
-
- /* build the patch command */
- snprintf(command, PATH_MAX,
- "xdelta patch" /* the command */
- " %s/%s" /* the delta */
- " %s/%s" /* the 'from' package */
- " %s/%s", /* the 'to' package */
- cachedir, d->delta,
- cachedir, d->from,
- cachedir, d->to);
-
- _alpm_log(PM_LOG_DEBUG, _("command: %s\n"), command);
-
- EVENT(trans, PM_TRANS_EVT_DELTA_PATCH_START, d->to, d->delta);
-
- if(system(command) == 0) {
- EVENT(trans, PM_TRANS_EVT_DELTA_PATCH_DONE, NULL, NULL);
-
- /* delete the delta file */
- snprintf(fname, PATH_MAX, "%s/%s", cachedir, d->delta);
- unlink(fname);
-
- /* Delete the 'from' package but only if it is an intermediate
- * package. The starting 'from' package should be kept, just
- * as if deltas were not used. Delete the package file if the
- * previous iteration of the loop used the same package. */
- if(pkg == lastpkg) {
- snprintf(fname, PATH_MAX, "%s/%s", cachedir, d->from);
- unlink(fname);
- } else {
- lastpkg = pkg;
+ /* an example of the patch command: (using /cache for cachedir)
+ * xdelta patch /path/to/pacman_3.0.0-1_to_3.0.1-1-i686.delta \
+ * /path/to/pacman-3.0.0-1-i686.pkg.tar.gz \
+ * /cache/pacman-3.0.1-1-i686.pkg.tar.gz
+ */
+
+ /* build the patch command */
+ snprintf(command, PATH_MAX, "xdelta patch %s %s %s", delta, from, to);
+
+ _alpm_log(PM_LOG_DEBUG, _("command: %s\n"), command);
+
+ EVENT(trans, PM_TRANS_EVT_DELTA_PATCH_START, d->to, d->delta);
+
+ int retval = system(command);
+ if(retval == 0) {
+ EVENT(trans, PM_TRANS_EVT_DELTA_PATCH_DONE, NULL, NULL);
+
+ /* delete the delta file */
+ unlink(delta);
+
+ /* Delete the 'from' package but only if it is an intermediate
+ * package. The starting 'from' package should be kept, just
+ * as if deltas were not used. */
+ if(dlts != delta_path) {
+ unlink(from);
+ }
+ }
+ FREE(from);
+ FREE(to);
+ FREE(delta);
+
+ if(retval != 0) {
+ /* one delta failed for this package, cancel the remaining ones */
+ EVENT(trans, PM_TRANS_EVT_DELTA_PATCH_FAILED, NULL, NULL);
+ ret = 1;
+ break;
}
- } else {
- EVENT(trans, PM_TRANS_EVT_DELTA_PATCH_FAILED, NULL, NULL);
- lastpkg_failed = 1;
- ret = 1;
}
}
@@ -792,7 +791,7 @@ static int test_md5sum(pmtrans_t *trans, const char *filename,
int _alpm_sync_commit(pmtrans_t *trans, pmdb_t *db_local, alpm_list_t **data)
{
alpm_list_t *i, *j, *files = NULL;
- alpm_list_t *patches = NULL, *deltas = NULL;
+ alpm_list_t *deltas = NULL;
pmtrans_t *tr = NULL;
int replaces = 0;
int errors = 0;
@@ -828,21 +827,15 @@ int _alpm_sync_commit(pmtrans_t *trans, pmdb_t *db_local, alpm_list_t **data)
if(delta_path) {
alpm_list_t *dlts = NULL;
- for(dlts = delta_path; dlts; dlts = alpm_list_next(dlts)) {
- pmdelta_t *d = (pmdelta_t *)alpm_list_getdata(dlts);
- char *fpath2 = _alpm_filecache_find(d->delta);
+ for(dlts = delta_path; dlts; dlts = dlts->next) {
+ pmdelta_t *d = dlts->data;
- if(!fpath2) {
+ if(d->download_size != 0) {
/* add the delta filename to the download list if
* it's not in the cache */
files = alpm_list_add(files, strdup(d->delta));
}
- /* save the package and delta so that the xdelta patch
- * command can be run after the downloads finish */
- patches = alpm_list_add(patches, spkg);
- patches = alpm_list_add(patches, d);
-
/* keep a list of the delta files for md5sums */
deltas = alpm_list_add(deltas, d);
}
@@ -897,11 +890,9 @@ int _alpm_sync_commit(pmtrans_t *trans, pmdb_t *db_local, alpm_list_t **data)
/* Use the deltas to generate the packages */
EVENT(trans, PM_TRANS_EVT_DELTA_PATCHES_START, NULL, NULL);
- ret = apply_deltas(trans, patches);
+ ret = apply_deltas(trans);
EVENT(trans, PM_TRANS_EVT_DELTA_PATCHES_DONE, NULL, NULL);
- alpm_list_free(patches);
- patches = NULL;
alpm_list_free(deltas);
deltas = NULL;
}
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-12-01 16:04:01 +0100