feat: check thumbnail cleanup on files deletion + correct ref counter

2026-05-13 11:33:45 +02:00
parent 9dd5877bb2
commit 78cb37b311
16 changed files with 444 additions and 42 deletions
@@ -0,0 +1,66 @@
+#!/bin/bash
+
+if ! which b3sum >/dev/null 2>/dev/null
+then
+    echo "please install b3sum (brew install b3sum on Mac, apt installb3sum on Debian, etc)" >&2
+    exit 1
+fi
+
+HASH=""
+FILE_CACHE=""
+
+# return the hash of a file (stores into HASH variable)
+oxi_hash() {
+    if [[ -z "$HASH" || "$FILE_CACHE" != "$1" ]]
+    then
+        HASH=$(b3sum --no-names "$1")
+        FILE_CACHE="$1"
+    fi
+    echo "$HASH"
+}
+
+# returns the local blob localisation
+local_blob_path() {
+    local BLOB_PREFIX
+    oxi_hash "$1" >/dev/null
+    BLOB_PREFIX=${HASH:0:2}
+    echo ".blobs/$BLOB_PREFIX/$HASH.blob"
+}
+
+# returns the preview localisation without it's extension
+preview_path() {
+    local SIZE
+    oxi_hash "$1" >/dev/null
+    # default size: icon
+    SIZE="${3:-icon}"
+    echo ".thumbnails/$SIZE/$HASH"
+}
+
+assert_local_blob_existsy() {
+    BLOB_PATH=$(local_blob_path "$1")
+    STORAGE="$2"
+    if [[ -e $STORAGE/$BLOB_PATH ]]
+    then
+        echo "$BLOB_PATH exists"
+        return 0
+    else
+        echo $'\e[31m'"$BLOB_PATH does not exist"$'\e[0m' >&2
+        return 1
+    fi
+}
+
+assert_preview_existsy() {
+    THUMBNAIL_PATH=$(preview_path "$1")
+    STORAGE="$2"
+    if [[ -e "$STORAGE/$THUMBNAIL_PATH.jpg" || -e "$STORAGE/$THUMBNAIL_PATH.webp" ]]
+    then
+        echo "thumbnail $THUMBNAIL_PATH.(jpg|webp) exists"
+        return 0
+    else
+        echo $'\e[31m'"thumbnail $THUMBNAIL_PATH.(jpg|webp) does not exist"$'\e[0m' >&2
+        echo $STORAGE
+        find $STORAGE/.thumbnails
+        return 1
+    fi
+}
+