57 lines
1.1 KiB
Bash
Executable file
57 lines
1.1 KiB
Bash
Executable file
#!/bin/sh
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# This script can be used to add git-annex metadata to files when they're
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# committed.
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#
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# Copyright 2014 Joey Hess <id@joeyh.name>
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# License: GPL-3+
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extract="$(git config metadata.extract || true)"
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want="$(perl -e 'print (join("|", map {s/_/ /g; "^$_ - "} (split " ", shift())))' "$extract")"
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if [ -z "$want" ]; then
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exit 0
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fi
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echo "$want"
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case "$(git config --bool metadata.overwrite || true)" in
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true)
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overwrite=1
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;;
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*)
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overwrite=""
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;;
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esac
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addmeta () {
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file="$1"
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field="$2"
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value="$3"
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afield="$(echo "$field" | tr ' ' _)"
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if [ "$overwrite" ]; then
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p="$afield=$value"
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else
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p="$afield?=$value"
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fi
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git -c annex.alwayscommit=false annex metadata "$file" -s "$p" --quiet
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}
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if git rev-parse --verify HEAD >/dev/null 2>&1; then
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against=HEAD
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else
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# Initial commit: diff against an empty tree object
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against=4b825dc642cb6eb9a060e54bf8d69288fbee4904
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fi
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IFS="
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"
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for f in $(git diff-index --name-only --cached $against); do
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if [ -e "$f" ]; then
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for l in $(extract "$f" | egrep "$want"); do
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field="${l%% - *}"
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value="${l#* - }"
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addmeta "$f" "$field" "$value"
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done
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fi
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done
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