58 lines
2.9 KiB
Bash
Executable File
58 lines
2.9 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
|
|
set -euET -o pipefail
|
|
|
|
directory="${1:-.}"
|
|
vanity="${2:-0}"
|
|
|
|
temp_file="$(mktemp)"
|
|
hexdump="$(mktemp)"
|
|
|
|
if test -z "$directory" -o "$directory" = "-h" -o "$directory" = "--help"; then
|
|
echo 'Usage: ./update-quine.sh [path/to/directory]'
|
|
echo 'The given directory should contain a file named index.html, which should contain the markers XXX_PLACE''HOLDER_START_XXX and XXX_PLACE''HOLDER_END_XXX'
|
|
echo 'Please note that the strings XXX_PLACE''HOLDER_XXX, XXX_PLACE''HOLDER_START_XXX, XXX_PLACE''HOLDER_DELETE_XXX and XXX_PLACE''HOLDER_END_XXX must not appear anywhere else in the .html file'
|
|
exit 1
|
|
fi
|
|
|
|
# Add a second marker after the starting marker
|
|
sed -i -e 's/XXX_PLACE''HOLDER_START_XXX/&\n\/\/ XXX_PLACE''HOLDER_DELETE_XXX/' "$directory"/index.html
|
|
# Delete everythinbe between the start marker and the end marker, both included
|
|
sed -i -e '/XXX_PLACE''HOLDER_DELETE_XXX/,/XXX_PLACE''HOLDER_END_XXX/d' "$directory"/index.html
|
|
|
|
# Generate template that will be used for the quine (var src1 = "the marker"; everything else unchanged)
|
|
printf %s\\n 'var src1 = "XXX_PLACE''HOLDER_XXX";' >> "$temp_file"
|
|
|
|
# Generate contents to be put after the start marker
|
|
printf %s\\n 'var hexLineWidth = 160;' >> "$temp_file"
|
|
printf %s\\n 'function srcdirectory (index_html) {' >> "$temp_file"
|
|
|
|
printf %s ' return ' >> "$temp_file"
|
|
# TODO: use ipfs dag get instead of ipfs object get
|
|
partial_hash="$(ipfs add --pin=false --hidden -Qr "$directory")"
|
|
ipfs object get "$partial_hash" \
|
|
| jq '.Links |= map(if .Name == "index.html" then { "Name": .Name, "Hash": "XXX_PLACE''HOLDER_HASH_XXX", "Size": "XXX_PLACE''HOLDER_SIZE_XXX" } else . end)' \
|
|
| sed -e '2,$s/^/ /' -e '$s/$/;/' -e 's/["'\'']XXX_PLACE''HOLDER_HASH_XXX["'\'']/index_html.hash/' -e 's/["'\'']XXX_PLACE''HOLDER_SIZE_XXX["'\'']/index_html.block.length/' \
|
|
>> "$temp_file"
|
|
printf %s\\n '}' >> "$temp_file"
|
|
|
|
printf %s\\n 'var XXX_VANI''TY_XXX = 0;' >> "$temp_file"
|
|
printf %s\\n '// XXX_PLACE''HOLDER_END_XXX' >> "$temp_file"
|
|
|
|
# Add the generated contents after the start marker
|
|
# TODO: escape $temp_file inside the sed command, or make sure the path doesn't need escpaing.
|
|
sed -i -e '/XXX_PLACE''HOLDER_START_XXX/ r '"$temp_file" "$directory"/index.html
|
|
|
|
# Generate hexdump of the file with the placeholder
|
|
xxd -ps < "$directory"/index.html | tr -d \\n | fold -w 160 | sed -e 's/.*''/"&" +/' | sed -e '1s/^/var src1 = /' | sed -e '$s/ +$/;\n/' >> "$hexdump"
|
|
# Replace the placeholder with the hexdump
|
|
# TODO: escape $temp_file inside the sed command, or make sure the path doesn't need escpaing.
|
|
sed -i -e '/var src1 = "XXX_PLACE''HOLDER_XXX";/ r '"$hexdump" "$directory"/index.html
|
|
# Remove the line with the placeholder
|
|
sed -i -e '/var src1 = "XXX_PLACE''HOLDER_XXX";/ d' "$directory"/index.html
|
|
# Add the desired vanity value
|
|
sed -i -e 's/var XXX_VANI''TY_XXX = 0;/var XXX_VANI''TY_XXX = '"$vanity"';/' "$directory"/index.html
|
|
|
|
echo "The hash given by the page should be:"
|
|
ipfs cid base32 "$(ipfs add --hidden -Qr "$directory")"
|