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From 90b92d8c73446bb50eee14ca8d88c5224002001a Mon Sep 17 00:00:00 2001
From: Muh Muhten <muh.muhten@gmail.com>
Date: Sun, 15 Oct 2017 01:57:17 -0400
Subject: [PATCH 7/9] Add import metadata key "optional"
A library marked is imported if found, but silently skipped if missing.
This is the desired semantic for the auto-include at ~/.jq
---
src/linker.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
--- a/src/linker.c
+++ b/src/linker.c
@@ -246,6 +246,9 @@ static int process_dependencies(jq_state
jv v = jv_object_get(jv_copy(dep), jv_string("raw"));
if (jv_get_kind(v) == JV_KIND_TRUE)
raw = 1;
+ int optional = 0;
+ if (jv_get_kind(jv_object_get(jv_copy(dep), jv_string("optional"))) == JV_KIND_TRUE)
+ optional = 1;
jv_free(v);
jv relpath = validate_relpath(jv_object_get(jv_copy(dep), jv_string("relpath")));
jv as = jv_object_get(jv_copy(dep), jv_string("as"));
@@ -259,10 +262,14 @@ static int process_dependencies(jq_state
jv resolved = find_lib(jq, relpath, search, is_data ? ".json" : ".jq", jv_copy(jq_origin), jv_copy(lib_origin));
// XXX ...move the rest of this into a callback.
if (!jv_is_valid(resolved)) {
+ jv_free(as);
+ if (optional) {
+ jv_free(resolved);
+ continue;
+ }
jv emsg = jv_invalid_get_msg(resolved);
jq_report_error(jq, jv_string_fmt("jq: error: %s\n",jv_string_value(emsg)));
jv_free(emsg);
- jv_free(as);
jv_free(deps);
jv_free(jq_origin);
jv_free(lib_origin);