mirror of https://github.com/koreader/koreader
android: speed up development cycle
Don't recreate `assets.7z` from scratch every time, and also ensure it's reproducible to avoid busting gradle's cache.reviewable/pr10673/r1
parent
7e98241b7e
commit
ded5558b88
@ -0,0 +1,83 @@
|
||||
#!/usr/bin/env bash
|
||||
|
||||
set -eo pipefail
|
||||
# set -x
|
||||
|
||||
[[ $# -ge 3 ]]
|
||||
archive="$(realpath "$1")"
|
||||
epoch="$2"
|
||||
shift 2
|
||||
options=()
|
||||
for a in "$@"; do
|
||||
shift
|
||||
case "${a}" in
|
||||
--) break ;;
|
||||
-*) options+=("${a}") ;;
|
||||
*) break ;;
|
||||
esac
|
||||
done
|
||||
[[ $# -gt 0 ]]
|
||||
patterns=("$@")
|
||||
|
||||
# We need to use the full path to the executable to avoid
|
||||
# a weird issue when using the p7zip project pre-built
|
||||
# binary (`Can't load './7z.dll' (7z.so)...`).
|
||||
sevenzip="$(which 7z)"
|
||||
|
||||
# echo "archive : ${archive}"
|
||||
# echo "epoch : ${epoch}"
|
||||
# echo "options : ${options[@]}"
|
||||
# echo "patterns: ${patterns[@]}"
|
||||
|
||||
tmpdir="$(mktemp -d -t tmp7z.XXXXXXXXXX)"
|
||||
trap 'rm -rf "${tmpdir}"' EXIT
|
||||
|
||||
manifest="${tmpdir}/manifest"
|
||||
|
||||
"${sevenzip}" -l -ba h "${patterns[@]}" |
|
||||
awk '{ if ($3) print $3, $2, $1; else print $1 }' |
|
||||
sort >"${manifest}"
|
||||
|
||||
# cat "${manifest}" | less
|
||||
|
||||
if [[ -r "${archive}" ]]; then
|
||||
if diff --brief --label 'in archive' \
|
||||
<(
|
||||
"${sevenzip}" -slt l "${archive}" |
|
||||
awk '
|
||||
/^(\w+) = / { entry[$1] = $3; }
|
||||
/^CRC =/ { if ($3) print entry["Path"], entry["Size"], $3; else print entry["Path"] }
|
||||
' | sort
|
||||
) --label 'to add' "${manifest}"; then
|
||||
exit
|
||||
fi
|
||||
# There's no 7z option to overwrite the archive
|
||||
# if it already exists (instead of updating it)…
|
||||
rm -f "${archive}"
|
||||
fi
|
||||
|
||||
# Extract list of paths from manifest.
|
||||
rev <"${manifest}" | cut -f3- -d' ' | rev >"${tmpdir}/paths"
|
||||
# Quick sanity check: no path outside the current directory.
|
||||
if grep '^(/|\.\./)' <"${tmpdir}/paths"; then
|
||||
echo "^ some paths are outside the current directory!"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# Make a copy of everything so we can later
|
||||
# patch timestamp to ensure reproducibility.
|
||||
mkdir "${tmpdir}/contents"
|
||||
# We want to copy "empty" (with ignored files) directories.
|
||||
tar --dereference --no-recursion --create \
|
||||
--verbatim-files-from --files-from="${tmpdir}/paths" |
|
||||
tar --extract --directory="${tmpdir}/contents"
|
||||
|
||||
cd "${tmpdir}/contents"
|
||||
|
||||
# Fix timestamps.
|
||||
find . -depth -print0 | xargs -0 touch --date="${epoch}"
|
||||
|
||||
# And create the final archive.
|
||||
"${sevenzip}" -l -mqs "${options[@]}" a "${archive}" .
|
||||
|
||||
# vim: sw=4
|
Loading…
Reference in New Issue