mirror of
https://github.com/linuxkit/linuxkit.git
synced 2025-11-04 10:41:54 +00:00
103 lines
2.3 KiB
Bash
Executable File
103 lines
2.3 KiB
Bash
Executable File
#!/bin/sh
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set -e
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##
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#
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# script to replace hashes in config files
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# see usage() for usage and functionality
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#
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usage() {
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cat >&2 <<EOF
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$0 --<mode> <how-to-find> <new-hash>
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Available modes: --hash, --image, --pkg
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Replace by hash:
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$0 --hash <OLD> <NEW>
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Example: $0 --hash 8675309abcdefg abcdef567899
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Will replace all instances of 8675309abcdefg with abcdef567899
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Replace by image:
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$0 --image <IMAGE> <NEW>
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Example: $0 --image linuxkit/foo abcdef567899
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Will tag all instances of linuxkit/foo with abcdef567899
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$0 --image <IMAGE>:<NEW> is accepted as a convenient shortcut for cutting
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and pasting e.g.the output of linuxkit pkg show-tag
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Replace by pkg directory:
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$0 --pkg <PATH/TO/PKG> <NEW>
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Example: $0 --pkg ./pkg/xen-tools
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Will use linuxkit pkg show-tag on the directory ./pkg/xen-tools, and then
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tag all instances with the result
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EOF
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}
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updateImage() {
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local image
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local hash
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case $# in
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1)
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image=${1%:*}
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hash=${1#*:}
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;;
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2)
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image=$1
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hash=$2
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;;
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esac
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git grep -E -l "[[:space:]]$image:" -- '*.yml' '*.yaml' '*.yml.in' '*.yaml.in' '*/Dockerfile' '*/Makefile' | grep -v /vendor/ | xargs sed -i.bak -E -e "s,([[:space:]])($image):([^[:space:]]+), $image:$hash,g"
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}
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# backwards compatibility
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if [ $# -eq 2 -a -n "${1%--*}" ]; then
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set -- "--hash" "$1" "$2"
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fi
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# which mode?
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mode=$1
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shift
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case "${mode}" in
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--hash)
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if [ $# -ne 2 ] ; then
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usage
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exit 1
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fi
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old=$1
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new=$2
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git grep -E -l "\b($old)([[:space:]]|$)" -- '*.yml' '*.yaml' '*.yml.in' '*.yaml.in' '*/Dockerfile' '*/Makefile' | grep -v /vendor/ | while read -r file; do sed -ri.bak -e "s,($old)([[:space:]]|$),$new\2,g" "$file"; done
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;;
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--image)
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if [ $# -lt 1 ] ; then
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usage
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exit 1
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fi
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updateImage $@
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;;
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--pkg)
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if [ $# -ne 1 ]; then
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usage
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exit 1
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fi
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if [ ! -d "$1" ]; then
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echo "Directory '$1' does not exist"
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usage
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exit 1
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fi
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tag=$(linuxkit pkg show-tag $1)
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updateImage ${tag}
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;;
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*)
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echo "Unknown mode $1"
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usage
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exit 1
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;;
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esac
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find . -name '*.bak' | xargs rm || true
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