Always output to stderr

Author: FGasper

download_latest.sh

@@ -4,15 +4,24 @@ set -o errexit
 
 MONGOSH_RELEASES_URL=https://downloads.mongodb.com/compass/mongosh.json
 
+say() {
+    echo >&2 "$@"
+}
+
+sayf() {
+    # shellcheck disable=SC2059
+    printf >&2 "$@"
+}
+
 show_download_link() {
-    echo >&2 "Download mongosh manually from:"
-    echo >&2
-    printf >&2 "\t%s\n", 'https://www.mongodb.com/try/download/shell'
+    say "Download mongosh manually from:"
+    say
+    sayf "\t%s\n" 'https://www.mongodb.com/try/download/shell'
 }
 
 for tool in jq curl; do
     which "$tool" >/dev/null || {
-        echo >&2 "This script requires '$tool'."
+        say "This script requires '$tool'."
         exit 1
     }
 done
@@ -29,7 +38,7 @@ case "$os" in
         ext=zip
         ;;
     *)
-        echo >&2 "❌ This script does not support this OS ($os)."
+        say "❌ This script does not support this OS ($os)."
         show_download_link
 
         exit 1
@@ -61,7 +70,7 @@ EOF
 url=$(curl -fsSL $MONGOSH_RELEASES_URL | jq -r "$jq_query")
 
 if [ -z "$url" ]; then
-    echo >&2 "❓ No download found for $os on $arch."
+    say "❓ No download found for $os on $arch."
     show_download_link
     exit 1
 fi
@@ -70,16 +79,16 @@ case "$ext" in
     zip)
         file=$(mktemp)
 
-        echo "Downloading $url to $file …"
+        say "Downloading $url to $file …"
         trap 'rm -f "$file"' EXIT
 
         curl -fsSL "$url" > "$file"
-        echo "Downloaded $ext file; extracting mongosh …"
+        say "Downloaded $ext file; extracting mongosh …"
 
         unzip -vj "$file" '*/bin/mongosh*'
         ;;
     tgz)
-        echo "Downloading & extracting from $url …"
+        say "Downloading & extracting from $url …"
 
         curl -fsSL "$url" | tar -xzf - \
             --transform "s/.*\///" \
@@ -88,9 +97,9 @@ case "$ext" in
 
         ;;
     *)
-        echo >&2 "Bad file extension: $ext"
+        say "Bad file extension: $ext"
         show_download_link
         exit 1
 esac
 
-echo "✅ Success! 'mongosh' and its crypto library are now saved in this directory."
+say "✅ Success! 'mongosh' and its crypto library are now saved in this directory."