FFmpeg-Builds/generate.sh

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#!/bin/bash
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set -e
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cd "$(dirname "$0")"
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source util/vars.sh
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rm -f Dockerfile
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layername() {
printf "layer-"
basename "$1" | sed 's/.sh$//'
}
exec_dockerstage() {
SCRIPT="$1"
(
SELF="$SCRIPT"
source "$SCRIPT"
ffbuild_enabled || exit 0
ffbuild_dockerstage || exit $?
)
}
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to_df() {
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_of="${TODF:-Dockerfile}"
printf "$@" >> "$_of"
echo >> "$_of"
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}
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to_df "FROM ${REGISTRY}/${REPO}/base-${TARGET}:latest AS base"
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to_df "ENV TARGET=$TARGET VARIANT=$VARIANT REPO=$REPO ADDINS_STR=$ADDINS_STR"
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PREVLAYER="base"
for ID in $(ls -1d scripts.d/??-* | sed -s 's|^.*/\(..\).*|\1|' | sort -u); do
LAYER="layer-$ID"
for STAGE in scripts.d/$ID-*; do
to_df "FROM $PREVLAYER AS $(layername "$STAGE")"
if [[ -f "$STAGE" ]]; then
exec_dockerstage "$STAGE"
else
for STAGE in "${STAGE}"/??-*; do
exec_dockerstage "$STAGE"
done
fi
done
to_df "FROM $PREVLAYER AS $LAYER"
for STAGE in scripts.d/$ID-*; do
if [[ -f "$STAGE" ]]; then
SCRIPT="$STAGE"
else
SCRIPTS=( "$STAGE"/??-* )
SCRIPT="${SCRIPTS[-1]}"
fi
(
SELF="$SCRIPT"
SELFLAYER="$(layername "$STAGE")"
source "$SCRIPT"
ffbuild_enabled || exit 0
ffbuild_dockerlayer || exit $?
TODF="Dockerfile.final" PREVLAYER="__PREVLAYER__" \
ffbuild_dockerfinal || exit $?
)
done
PREVLAYER="$LAYER"
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done
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to_df "FROM base"
sed "s/__PREVLAYER__/$PREVLAYER/g" Dockerfile.final | sort -u >> Dockerfile
rm Dockerfile.final