67 lines
1.5 KiB
Bash
67 lines
1.5 KiB
Bash
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#!/bin/bash
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if ! which b3sum >/dev/null 2>/dev/null
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then
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echo "please install b3sum (brew install b3sum on Mac, apt installb3sum on Debian, etc)" >&2
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exit 1
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fi
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HASH=""
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FILE_CACHE=""
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# return the hash of a file (stores into HASH variable)
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oxi_hash() {
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if [[ -z "$HASH" || "$FILE_CACHE" != "$1" ]]
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then
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HASH=$(b3sum --no-names "$1")
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FILE_CACHE="$1"
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fi
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echo "$HASH"
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}
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# returns the local blob localisation
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local_blob_path() {
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local BLOB_PREFIX
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oxi_hash "$1" >/dev/null
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BLOB_PREFIX=${HASH:0:2}
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echo ".blobs/$BLOB_PREFIX/$HASH.blob"
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}
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# returns the preview localisation without it's extension
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preview_path() {
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local SIZE
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oxi_hash "$1" >/dev/null
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# default size: icon
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SIZE="${3:-icon}"
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echo ".thumbnails/$SIZE/$HASH"
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}
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assert_local_blob_existsy() {
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BLOB_PATH=$(local_blob_path "$1")
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STORAGE="$2"
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if [[ -e $STORAGE/$BLOB_PATH ]]
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then
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echo "$BLOB_PATH exists"
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return 0
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else
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echo $'\e[31m'"$BLOB_PATH does not exist"$'\e[0m' >&2
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return 1
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fi
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}
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assert_preview_existsy() {
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THUMBNAIL_PATH=$(preview_path "$1")
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STORAGE="$2"
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if [[ -e "$STORAGE/$THUMBNAIL_PATH.jpg" || -e "$STORAGE/$THUMBNAIL_PATH.webp" ]]
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then
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echo "thumbnail $THUMBNAIL_PATH.(jpg|webp) exists"
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return 0
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else
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echo $'\e[31m'"thumbnail $THUMBNAIL_PATH.(jpg|webp) does not exist"$'\e[0m' >&2
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echo $STORAGE
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find $STORAGE/.thumbnails
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return 1
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fi
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}
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