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Diffstat (limited to '')
| -rwxr-xr-x | scripts/optimize_images.sh | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/scripts/optimize_images.sh b/scripts/optimize_images.sh deleted file mode 100755 index 2d923ac..0000000 --- a/scripts/optimize_images.sh +++ /dev/null @@ -1,136 +0,0 @@ -#!/usr/bin/env nix -#! nix shell nixpkgs#optipng nixpkgs#jpegoptim nixpkgs#nodePackages.svgo nixpkgs#dash --command dash - -# Back - An extremely simple git bug visualization system. Inspired by TVL's -# panettone. -# -# Copyright (C) 2025 Benedikt Peetz <benedikt.peetz@b-peetz.de> -# SPDX-License-Identifier: AGPL-3.0-or-later -# -# This file is part of Back. -# -# You should have received a copy of the License along with this program. -# If not, see <https://www.gnu.org/licenses/agpl.txt>. - -# shellcheck shell=dash - -# source: https://github.com/stride-tasks/stride/blob/148d513297c8ae66d79fc287769adfe5e711c93c/scripts/optimize-images - -PROJECT_DIR="$(git rev-parse --show-toplevel)" - -cd "$PROJECT_DIR" || { - echo "No '$PROJECT_DIR' ?!" - exit 1 -} - -PNG_OPITMIZE_COMMAND='optipng --quiet -o7 -preserve' -JPG_OPITMIZE_COMMAND='jpegoptim --quiet --strip-all -m76' -SVG_OPITMIZE_COMMAND='svgo --multipass --quiet --input' - -# The extension is the part after the first dot in the filename: -# -# For example: -# file.png => png -# file.tar.gz => tar.gz -find_files_by_extension() { - wanted_extension="$1" - tmp="$(mktemp)" - - git ls-files --cached --modified --other --exclude-standard --deduplicate | while IFS= read -r file; do - file_basename="$(basename "$file")" - extension="${file_basename#*.}" - if [ "$extension" = "$wanted_extension" ]; then - echo "$file" - else - : - # echo "'$file' with extension: '$extension' does not match filter: '$wanted_extension'" 1>&2 - fi - done >"$tmp" - - echo "$tmp" -} - -size_of() { - du -b "$1" | cut -f1 -} - -bytes_human() { - number="$1" - - numfmt --to=iec-i --suffix=B --format="%9.2f" "$number" -} - -# https://stackoverflow.com/questions/44695878/how-to-calculate-percentage-in-shell-script -# Native POSIX solution using string manipulation (assumes integer inputs). -percent() { - DP="$1" - SDC="$2" - - # Special case when DP is zero. - [ "$DP" = "0" ] && echo "0.00" && return - - # # e.g. round down e.g. round up - # # DP=1 SDC=3 DP=2 SDC=3 - Percent=$((DP * 100000 / SDC + 5)) # Percent=33338 Percent=66671 - Whole=${Percent%???} # Whole=33 Whole=66 - Percent=${Percent#"$Whole"} # Percent=338 Percent=671 - Percent=$Whole.${Percent%?} # Percent=33.33 Percent=66.67 - echo "$Percent" -} - -TOTAL=0 -TOTAL_SAVED=0 - -optimize_files() { - FILTER="$1" - PROGRAM="$2" - - printf "%s" "Processing $FILTER files:" - - FILES="$(find_files_by_extension "$FILTER")" - COUNT=$(wc -l <"$FILES") - - if [ "$COUNT" -eq 0 ]; then - echo " no files found!" - return - fi - - echo "" - - I=1 - - TOTAL_INNER=0 - TOTAL_SAVED_INNER=0 - - while IFS= read -r f; do - printf "%s/${COUNT} $f ... " "$I" - - SIZE="$(size_of "$f")" - - $PROGRAM "$f" - - NEW_SIZE="$(size_of "$f")" - DIFF=$((SIZE - NEW_SIZE)) - - echo "saved: $(bytes_human "$DIFF") ($(percent $DIFF "$SIZE")%)" - - TOTAL_INNER=$((TOTAL_INNER + SIZE)) - TOTAL_SAVED_INNER=$((TOTAL_SAVED_INNER + DIFF)) - - I=$((I + 1)) - done <"$FILES" - rm "$FILES" - - echo "Total saved for $FILTER: $(bytes_human "$TOTAL_SAVED_INNER") ($(percent $TOTAL_SAVED_INNER $TOTAL_INNER)%)" - echo "" - - TOTAL=$((TOTAL + TOTAL_INNER)) - TOTAL_SAVED=$((TOTAL_SAVED + TOTAL_SAVED_INNER)) -} - -optimize_files 'png' "$PNG_OPITMIZE_COMMAND" -optimize_files 'jpg' "$JPG_OPITMIZE_COMMAND" -optimize_files 'jpeg' "$JPG_OPITMIZE_COMMAND" -optimize_files 'svg' "$SVG_OPITMIZE_COMMAND" - -echo "Total saved: $(bytes_human "$TOTAL_SAVED") ($(percent $TOTAL_SAVED $TOTAL)%)" |