Download delta files if UseDelta is set.

Delta files will be used if the size is smaller than a percent
(MAX_DELTA_RATIO) of the package size.

Signed-off-by: Nathan Jones <nathanj@insightbb.com>
Signed-off-by: Dan McGee <dan@archlinux.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/lib/libalpm/alpm.h b/lib/libalpm/alpm.h
index 5f37d825..a4eaafa0 100644
--- a/lib/libalpm/alpm.h
+++ b/lib/libalpm/alpm.h
@@ -138,6 +138,7 @@ void alpm_option_set_xfercommand(const char *cmd);
 
 unsigned short alpm_option_get_nopassiveftp();
 void alpm_option_set_nopassiveftp(unsigned short nopasv);
+void alpm_option_set_usedelta(unsigned short usedelta);
 
 pmdb_t *alpm_option_get_localdb();
 alpm_list_t *alpm_option_get_syncdbs();
@@ -294,6 +295,13 @@ typedef enum _pmtransevt_t {
 	PM_TRANS_EVT_EXTRACT_DONE,
 	PM_TRANS_EVT_INTEGRITY_START,
 	PM_TRANS_EVT_INTEGRITY_DONE,
+	PM_TRANS_EVT_DELTA_INTEGRITY_START,
+	PM_TRANS_EVT_DELTA_INTEGRITY_DONE,
+	PM_TRANS_EVT_DELTA_PATCHES_START,
+	PM_TRANS_EVT_DELTA_PATCHES_DONE,
+	PM_TRANS_EVT_DELTA_PATCH_START,
+	PM_TRANS_EVT_DELTA_PATCH_DONE,
+	PM_TRANS_EVT_DELTA_PATCH_FAILED,
 	PM_TRANS_EVT_PRINTURI,
 	PM_TRANS_EVT_RETRIEVE_START,
 } pmtransevt_t;
@@ -442,6 +450,9 @@ enum _pmerrno_t {
 	PM_ERR_PKG_INVALID_NAME,
 	PM_ERR_PKG_CORRUPTED,
 	PM_ERR_PKG_REPO_NOT_FOUND,
+	/* Deltas */
+	PM_ERR_DLT_CORRUPTED,
+	PM_ERR_DLT_PATCHFAILED,
 	/* Groups */
 	PM_ERR_GRP_NOT_FOUND,
 	/* Dependencies */