Ely Office: six offline-first desktop apps in Rust and GPUI

ElyDoc, ElyTable, ElyShow (LibreOfficeKit), ElyPDF (MuPDF), ElyTree (Git),
ElyMark (Milkdown and CodeMirror in CEF). ElyMail and ElyAgent follow.

scripts/apply-lo-patches.sh

@@ -0,0 +1,48 @@
+#!/usr/bin/env bash
+# Usage: apply-lo-patches.sh <lo-src> — applies the missing patches.
+set -euo pipefail
+
+root=$(cd "$(dirname "$0")/.." && pwd)
+src=${1:?usage: apply-lo-patches.sh <lo-src>}
+patches=("$root"/patches/libreoffice/*.patch)
+files=$(sed -n 's|^+++ b/||p' "${patches[@]}" | sort -u)
+work=$(mktemp -d)
+trap 'rm -rf "$work"' EXIT
+
+# Whether $src is HEAD plus the first $1 patches.
+holds() {
+  local n=$1 base=$work/base f i
+  rm -rf "$base"
+  mkdir -p "$base"
+  git -C "$base" init -q
+  for f in $files; do
+    if git -C "$src" cat-file -e "HEAD:$f" 2>/dev/null; then
+      mkdir -p "$base/$(dirname "$f")"
+      git -C "$src" show "HEAD:$f" >"$base/$f"
+    fi
+  done
+  for ((i = 0; i < n; i++)); do
+    git -C "$base" apply "${patches[$i]}" 2>/dev/null || return 1
+  done
+  for f in $files; do
+    if [ -e "$base/$f" ]; then
+      cmp -s "$base/$f" "$src/$f" || return 1
+    elif [ -e "$src/$f" ]; then
+      return 1
+    fi
+  done
+}
+
+n=${#patches[@]}
+while [ "$n" -ge 0 ] && ! holds "$n"; do
+  n=$((n - 1))
+done
+if [ "$n" -lt 0 ]; then
+  echo "apply-lo-patches.sh: $src matches no prefix of the patch series" >&2
+  exit 1
+fi
+echo "apply-lo-patches.sh: $n of ${#patches[@]} patches already in $src"
+for ((i = n; i < ${#patches[@]}; i++)); do
+  git -C "$src" apply "${patches[$i]}"
+  echo "apply-lo-patches.sh: applied ${patches[$i]##*/}"
+done