blob: cbc9c93775ed60d5387a3389c710e5c5056af419 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
#!/bin/bash
set -euo pipefail
shopt -s nullglob
input="99-unsorted.sh"
output="98-patches.sh"
filestoremove="remove-these"
truncate=1
mkdir -p patches
while [[ $# -gt 0 ]]; do
case "$1" in
--no-trunc) truncate=0 ;;
--in)
input=$2
shift 1
;;
--out)
output=$2
shift 1
;;
*) break ;;
esac
shift 1
done
tmpfile=$(mktemp)
[[ $truncate -eq 1 ]] && (echo -n >"$output") # empty output file to be rewritten
echo "temp file is $tmpfile"
while IFS= read -r line; do
# Only process lines starting with "CopyFile "
[[ "$line" =~ ^CopyFile[[:space:]]+/ ]] || {
echo "$line" >>"$tmpfile"
continue
}
path="${line#CopyFile }"
path="${path%% *}" # remove any trailing args
# Check ownership
if ! info=$(pacman -Qo "$path" 2>/dev/null); then
echo "WARN: Skipping $path: not owned by any package" >&2
echo "$line" >>"$tmpfile"
continue
fi
# Example output: "/etc/pacman.conf is owned by pacman 5.1.3-1"
pkg_name=$(awk '{print $(NF-1)}' <<<"$info")
pkg_ver=$(awk '{print $NF}' <<<"$info")
# Find package archive in cache
archives=(/var/cache/pacman/pkg/${pkg_name}-${pkg_ver}-*.pkg.tar.zst)
if ((${#archives[@]} == 0)); then
echo "WARN: Cached package not found for $pkg_name-$pkg_ver" >&2
echo "$line" >>"$tmpfile"
continue
fi
archive="${archives[0]}"
# Create diff file name
base=$(basename "$path")
diff_file="patches/${pkg_name}_${base}.diff"
# Relative path inside package archive
relpath="${path#/}"
# Generate diff
if ! tar -xOf "$archive" "$relpath" 2>/dev/null | diff -u - "$path" > "$diff_file"; then
echo "patch \"\$(GetPackageOriginalFile $pkg_name $path)\" ./$diff_file" >>"$output"
echo "$path" >> $filestoremove
echo "INFO: Added patch for $path" >&2
else
rm -f "$diff_file"
echo "INFO: No differences for $path"
fi
done <"$input"
if ! diff -u --color=always "$input" "$tmpfile" 2>/dev/null; then
:
fi
mv "$input" "$input.backup"
mv "$tmpfile" "$input"
echo
echo "OK: All done. Patch commands written to $output"
|
