ZacharyZhang-NY
b7fca0146d
ElyDoc, ElyTable, ElyShow (LibreOfficeKit), ElyPDF (MuPDF), ElyTree (Git), ElyMark (Milkdown and CodeMirror in CEF). ElyMail and ElyAgent follow.
49 lines
1.3 KiB
Bash
Executable File
49 lines
1.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Usage: apply-lo-patches.sh <lo-src> — applies the missing patches.
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set -euo pipefail
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root=$(cd "$(dirname "$0")/.." && pwd)
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src=${1:?usage: apply-lo-patches.sh <lo-src>}
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patches=("$root"/patches/libreoffice/*.patch)
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files=$(sed -n 's|^+++ b/||p' "${patches[@]}" | sort -u)
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work=$(mktemp -d)
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trap 'rm -rf "$work"' EXIT
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# Whether $src is HEAD plus the first $1 patches.
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holds() {
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local n=$1 base=$work/base f i
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rm -rf "$base"
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mkdir -p "$base"
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git -C "$base" init -q
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for f in $files; do
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if git -C "$src" cat-file -e "HEAD:$f" 2>/dev/null; then
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mkdir -p "$base/$(dirname "$f")"
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git -C "$src" show "HEAD:$f" >"$base/$f"
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fi
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done
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for ((i = 0; i < n; i++)); do
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git -C "$base" apply "${patches[$i]}" 2>/dev/null || return 1
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done
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for f in $files; do
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if [ -e "$base/$f" ]; then
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cmp -s "$base/$f" "$src/$f" || return 1
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elif [ -e "$src/$f" ]; then
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return 1
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fi
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done
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}
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n=${#patches[@]}
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while [ "$n" -ge 0 ] && ! holds "$n"; do
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n=$((n - 1))
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done
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if [ "$n" -lt 0 ]; then
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echo "apply-lo-patches.sh: $src matches no prefix of the patch series" >&2
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exit 1
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fi
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echo "apply-lo-patches.sh: $n of ${#patches[@]} patches already in $src"
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for ((i = n; i < ${#patches[@]}; i++)); do
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git -C "$src" apply "${patches[$i]}"
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echo "apply-lo-patches.sh: applied ${patches[$i]##*/}"
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done
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