From c33104c552d41bb8eb674d25cc411a470fcf57e5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Luk=C3=A1=C5=A1=20Kucharczyk?= <lukas@kucharczyk.xyz>
Date: Sat, 8 Oct 2022 01:11:44 +0200
Subject: [PATCH] strip_track_except: copy to tempfile, then overwrite

---
 strip_track_except.sh | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/strip_track_except.sh b/strip_track_except.sh
index 86705fd..a5b8a07 100755
--- a/strip_track_except.sh
+++ b/strip_track_except.sh
@@ -19,6 +19,10 @@ TRACK_COUNT=$(echo "$JSON_OUTPUT" | jq length)
 # check if tracks other than the one to keep are present
 UNDESIRED_TRACK_COUNT=$(echo "$JSON_OUTPUT" | jq '[.[] | select(.properties.language!="$LANGUAGE_TO_KEEP")] | length')
 [[ $UNDESIRED_TRACK_COUNT -lt 2 ]] && echo -e "\tFile has only '$LANGUAGE_TO_KEEP' tracks, skipping." && exit 1
-FILENAME_WITHOUT_EXT=${FILENAME%.*}
+FILENAME_EXT=${FILENAME##*.}
 echo -e "\tRemoving all audio tracks except '$LANGUAGE_TO_KEEP' tracks..."
-pv "$FILENAME" | ffmpeg -i pipe:0 -map 0:v -map 0:a:m:language:${LANGUAGE_TO_KEEP} -map 0:s -c copy -v warning "${FILENAME_WITHOUT_EXT}.converted.mkv"
+TMPFILE=$(mktemp)
+echo -e "\tOutputting to temporary file ${TMPFILE}.${FILENAME_EXT}..."
+pv "$FILENAME" | ffmpeg -i pipe:0 -map 0:v -map 0:a:m:language:${LANGUAGE_TO_KEEP} -map 0:s -c copy -v error "${TMPFILE}.${FILENAME_EXT}"
+echo -e "\tReplacing ${FILENAME} with ${TMPFILE}..."
+mv "${TMPFILE}.${FILENAME_EXT}" "$FILENAME"