From f1f6bfb3b3b29fbb3b650e9ee5b6e66104a46459 Mon Sep 17 00:00:00 2001
From: natanjunges <natanajunges@gmail.com>
Date: Sun, 25 Sep 2022 16:08:15 -0300
Subject: [PATCH] Print error messages to stderr

---
 deb-get | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/deb-get b/deb-get
index c12ce87b4..b2204f40a 100755
--- a/deb-get
+++ b/deb-get
@@ -162,8 +162,8 @@ function fancy_message() {
       progress) echo -en "  [${GREEN}+${RESET}] ${MESSAGE}";;
       recommend) echo -e "  [${MAGENTA}!${RESET}] ${MESSAGE}";;
       warn) echo -e "  [${YELLOW}*${RESET}] WARNING! ${MESSAGE}";;
-      error) echo -e "  [${RED}!${RESET}] ERROR! ${MESSAGE}";;
-      fatal) echo -e "  [${RED}!${RESET}] ERROR! ${MESSAGE}"
+      error) echo -e "  [${RED}!${RESET}] ERROR! ${MESSAGE}" >&2;;
+      fatal) echo -e "  [${RED}!${RESET}] ERROR! ${MESSAGE}" >&2
              exit 1;;
       *) echo -e "  [?] UNKNOWN: ${MESSAGE}";;
     esac
@@ -303,7 +303,7 @@ function validate_deb() {
 
     if [[ ! " ${APPS[*]} " =~ " ${APP} " ]]; then
         fancy_message error "${APP} is not a supported application."
-        list_debs
+        list_debs >&2
         exit 1
     fi
 
@@ -331,9 +331,9 @@ function validate_deb() {
     deb_${APP} 2>/dev/null
     if [ -z "${PRETTY_NAME}" ] || [ -z "${SUMMARY}" ] || [ -z "${WEBSITE}" ]; then
         fancy_message eror "Missing required information of package ${APP}:"
-        echo "PRETTY_NAME=${PRETTY_NAME}"
-        echo "SUMMARY=${SUMMARY}"
-        echo "WEBSITE=${WEBSITE}"
+        echo "PRETTY_NAME=${PRETTY_NAME}" >&2
+        echo "SUMMARY=${SUMMARY}" >&2
+        echo "WEBSITE=${WEBSITE}" >&2
         exit 1
     fi
     VERSION_INSTALLED=$(version_deb)
@@ -342,15 +342,15 @@ function validate_deb() {
         if [ "${ACTION}" != "prettylist" ]; then
             if [ -z "${APT_LIST_NAME}" ] || ([ -z "${ASC_KEY_URL}" ] && [ -z "${GPG_KEY_URL}" ]); then
                 fancy_message error "Missing required information of apt package ${APP}:"
-                echo "APT_LIST_NAME=${APT_LIST_NAME}"
-                echo "ASC_KEY_URL=${ASC_KEY_URL}"
-                echo "GPG_KEY_URL=${GPG_KEY_URL}"
+                echo "APT_LIST_NAME=${APT_LIST_NAME}" >&2
+                echo "ASC_KEY_URL=${ASC_KEY_URL}" >&2
+                echo "GPG_KEY_URL=${GPG_KEY_URL}" >&2
                 exit 1
             fi
             if [ -n "${ASC_KEY_URL}" ] && [ -n "${GPG_KEY_URL}" ]; then
                 fancy_message error "Conflicting repository key types for apt package ${APP}:"
-                echo "ASC_KEY_URL=${ASC_KEY_URL}"
-                echo "GPG_KEY_URL=${GPG_KEY_URL}"
+                echo "ASC_KEY_URL=${ASC_KEY_URL}" >&2
+                echo "GPG_KEY_URL=${GPG_KEY_URL}" >&2
                 exit 1
             fi
         fi
@@ -359,8 +359,8 @@ function validate_deb() {
     else
         if (([ "${METHOD}" = github ] && [ -e "${CACHE_DIR}/${APP}.json" ]) || ([ "${METHOD}" != github ] && [ "${ACTION}" != "prettylist" ])) && ([ -z "${URL}" ] || [ -z "${VERSION_PUBLISHED}" ]); then
             fancy_message error "Missing required information of ${METHOD} package ${APP}:"
-            echo "URL=${URL}"
-            echo "VERSION_PUBLISHED=${VERSION_PUBLISHED}"
+            echo "URL=${URL}" >&2
+            echo "VERSION_PUBLISHED=${VERSION_PUBLISHED}" >&2
             exit 1
         fi
     fi
@@ -2888,7 +2888,7 @@ if [ -n "${1}" ]; then
     shift
 else
     fancy_message error "You must specify an action."
-    usage
+    usage >&2
     exit 1
 fi
 
@@ -2896,7 +2896,7 @@ case ${ACTION} in
     install|reinstall|remove|purge|show)
         if [ -z "${1}" ]; then
             fancy_message error "You must specify an app:\n"
-            list_debs
+            list_debs >&2
             exit 1
         fi
         print_etc_overrides;;