90 lines
2.1 KiB
Plaintext
90 lines
2.1 KiB
Plaintext
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#!/bin/bash
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if [ "$#" -ne 3 ]; then
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echo "Usage: $0 <orig tag>|<base release> <reconstruct> <options>" 1>&2
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exit 1
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fi
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tag="$1"
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reconstruct="$2"
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options="$3"
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case "$tag" in
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v*) ;;
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*) tag="v${tag%.*}" ;;
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esac
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# Validate the tag.
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count=$( git tag -l "$tag" | wc -l )
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if [ "$count" != 1 ]; then
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echo "$0: $tag: tag invalid" 1>&2
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exit 1
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fi
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#git ls-tree -r --full-tree HEAD | grep ^120 | \
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#while read mode type blobid name
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(
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# Identify all new symlinks since the proffered tag.
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echo "# Recreate any symlinks created since the orig."
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git diff "$tag.." --raw --no-renames | awk '(/^:000000 120000/ && $5 == "A") { print $NF }' | \
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while read name
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do
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link=$( readlink "$name" )
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echo "[ ! -L '$name' ] && ln -sf '$link' '$name'"
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done
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# Identify files with execute permissions added since the proffered tag.
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git diff "$tag.." --raw --no-renames | awk -F '[: \t]' '{print $2, $3, $NF }' | \
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while IFS=" " read old new name
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do
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old=$( printf "0%s" $old )
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new=$( printf "0%s" $new )
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changed=$(( (old ^ new) & 0111 ))
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if [ "$changed" -ne 0 ]; then
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added=$(( new & 0111 ))
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if [ "$added" -ne 0 ]; then
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echo "chmod +x '$name'"
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elif [ "$new" -ne 0 ]; then
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echo "chmod -x '$name'"
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fi
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fi
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done
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# Identify all removed files since the proffered tag.
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echo "# Remove any files deleted from the orig."
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git diff "$tag.." --raw --no-renames | awk '(/^:/ && $5 == "D") { print $NF }' | \
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while read name
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do
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echo "rm -f '$name'"
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done
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# All done, make sure this does not complete in error.
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echo "exit 0"
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) >"$reconstruct"
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(
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# Identify all new symlinks since the proffered tag.
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echo "# Ignore any symlinks created since the orig which are rebuilt by reconstruct."
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git diff "$tag.." --raw --no-renames | awk '(/^:000000 120000/ && $5 == "A") { print $NF }' | \
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while read name
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do
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echo "extend-diff-ignore=^$name\$"
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done
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) >"$options.update"
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head='^## autoreconstruct -- begin$'
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foot='^## autoreconstruct -- end$'
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sed -i -e "
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/$head/,/$foot/{
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/$head/{
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p;
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r $options.update
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};
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/$foot/p;
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d
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}
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" "$options"
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rm -f "$options.update"
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