Index: trunk/ippTools/src/releasetool.c
===================================================================
--- trunk/ippTools/src/releasetool.c	(revision 37122)
+++ trunk/ippTools/src/releasetool.c	(revision 37131)
@@ -47,4 +47,5 @@
 static bool definerelstackMode(pxConfig *config);
 static bool updaterelstackMode(pxConfig *config);
+static bool setrelstackcalibratedfromskycalMode(pxConfig *config);
 static bool listrelstackMode(pxConfig *config);
 static bool deleterelstackMode(pxConfig *config);
@@ -87,4 +88,5 @@
         MODECASE(RELEASETOOL_MODE_DEFINERELSTACK,   definerelstackMode);
         MODECASE(RELEASETOOL_MODE_UPDATERELSTACK,   updaterelstackMode);
+        MODECASE(RELEASETOOL_MODE_SETRELSTACKCALIBRATEDFROMSKYCAL, setrelstackcalibratedfromskycalMode);
         MODECASE(RELEASETOOL_MODE_LISTRELSTACK,     listrelstackMode);
         MODECASE(RELEASETOOL_MODE_DELETERELSTACK,   deleterelstackMode);
@@ -1090,4 +1092,68 @@
     return false;
 }
+static bool setrelstackcalibratedfromskycalMode(pxConfig *config)
+{
+    PS_ASSERT_PTR_NON_NULL(config, NULL);
+
+    psMetadata *where = psMetadataAlloc();
+
+    PXOPT_COPY_STR(config->args, where, "-skycal_label", "skycalRun.label", "==");
+    PXOPT_COPY_STR(config->args, where, "-skycal_data_group", "skycalRun.data_group", "LIKE");
+    PXOPT_COPY_S64(config->args, where, "-skycal_id",  "skycalRun.skycal_id", "==");
+    if (!psListLength(where->list)) {
+        psError(PXTOOLS_ERR_CONFIG, false, "at least one of -skycal_label, -skycal_data_group, or -skycal_id is required");
+        return false;
+    }
+
+    PXOPT_COPY_STR(config->args, where, "-tess_id",    "stackRun.tess_id", "==");
+    PXOPT_COPY_STR(config->args, where, "-skycell_id", "stackRun.skycell_id", "==");
+    pxskycellAddWhere(config, where);
+
+    // insure that at least one of these is supplied to select the release
+    PXOPT_LOOKUP_S64(rel_id, config->args,      "-rel_id", false, false);
+    PXOPT_LOOKUP_STR(release_name, config->args, "-release_name", false, false);
+    if (!rel_id && !release_name) {
+        psError(PXTOOLS_ERR_CONFIG, true, "either -rel_id or -release_name is required");
+        return false;
+    }
+
+    // limit query to the target release. (Note: this will select nothing if release_name and rel_id don't match)
+    // note: we add these after above to insure that search args are supplied
+    PXOPT_COPY_STR(config->args, where, "-release_name", "ippRelease.release_name", "==");
+    PXOPT_COPY_S32(config->args, where, "-rel_id", "ippRelease.rel_id", "==");
+
+    PXOPT_LOOKUP_U64(limit, config->args, "-limit", false, false);
+
+    psString query = pxDataGet("releasetool_setrelstackcalibratedfromskycal.sql");
+    if (!query) {
+        psError(PXTOOLS_ERR_SYS, false, "failed to retreive SQL statement");
+        psFree(where);
+        return false;
+    }
+
+    // Add in the where conditions
+    psString whereClause = psDBGenerateWhereConditionSQL(where, NULL);
+    psStringAppend(&query, "\nAND %s", whereClause);
+    psFree(whereClause);
+
+    if (limit) {
+        psString limitString = psDBGenerateLimitSQL(limit);
+        psStringAppend(&query, " %s", limitString);
+        psFree(limitString);
+    }
+
+    if (!p_psDBRunQuery(config->dbh, query)) {
+        psError(PS_ERR_UNKNOWN, false, "database error");
+        psFree(query);
+        return false;
+    }
+    psFree(query);
+
+    psU64 affected = psDBAffectedRows(config->dbh);
+    psLogMsg("releasetool", PS_LOG_INFO, "Updated %" PRIu64 " relStack rows", affected);
+
+    return true;
+}
+
 static bool deleterelstackMode(pxConfig *config)
 {