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Merge branch 'master' of github.com:cfenollosa/bashblog

pull/124/head
Carlos Fenollosa 5 years ago
parent
commit
5fc037f4b9
1 changed files with 94 additions and 55 deletions
  1. +94
    -55
      bb.sh

+ 94
- 55
bb.sh View File

@ -5,6 +5,18 @@
# https://github.com/carlesfe/bashblog/contributors
# Check out README.md for more details
# Some shell settings for robustness by default. These help eliminate
# unexpected snags and security vulnerabilities in case someone forgets to
# quote a variable somewhere. They do require a few coding adaptations.
IFS=$'\n' # Globally, we do word splitting only on newline (which also
# makes "$*" expand with newline separator instead of space).
set -f # Disable globbing (pathname expansion). It can be re-enabled
# locally using 'set +f'; it's handy to do this in a subshell,
# for example in $(command substitution), as the globbing will
# be local to the subshell.
# Global variables
# It is recommended to perform a 'rebuild' after changing any of this in the code
@ -257,6 +269,14 @@ get_html_file_content() {
}"
}
# Invoke the editor specified by the $EDITOR environment variable. Use a
# function for this as we need to locally word-split $EDITOR on spaces
# (in case it contains arguments, like EDITOR='joe -nobackups).
invoke_editor() {
local IFS=$' \t\n'
$EDITOR "$1"
}
# Edit an existing, published .html file while keeping its original timestamp
# Please note that this function does not automatically republish anything, as
# it is usually called from 'main'.
@ -276,7 +296,8 @@ edit() {
touch_timestamp=$(LC_ALL=C date -r "${1%%.*}.html" +"$date_format_timestamp")
tags_before=$(tags_in_post "${1%%.*}.html")
if [[ $2 == full ]]; then
$EDITOR "$1"
invoke_editor "$1"
touch -t "$touch_timestamp" "$1"
filename=$1
else
if [[ ${1##*.} == md ]]; then
@ -286,7 +307,8 @@ edit() {
exit
fi
# editing markdown file
$EDITOR "$1"
invoke_editor "$1"
touch -t "$touch_timestamp" "$1"
TMPFILE=$(markdown "$1")
filename=${1%%.*}.html
else
@ -296,27 +318,29 @@ edit() {
get_post_title "$1" > "$TMPFILE"
# Post text with plaintext tags
get_html_file_content 'text' 'text' <"$1" | sed "/^<p>$template_tags_line_header/s|<a href='$prefix_tags\([^']*\).html'>\\1</a>|\\1|g" >> "$TMPFILE"
$EDITOR "$TMPFILE"
invoke_editor "$TMPFILE"
filename=$1
fi
rm "$filename"
if [[ $2 == keep ]]; then
old_filename=''
parse_file "$TMPFILE" "$edit_timestamp" "$filename"
else
old_filename=$filename # save old filename to exclude it from $relevant_posts
parse_file "$TMPFILE" "$edit_timestamp" # this command sets $filename as the html processed file
[[ ${1##*.} == md ]] && mv "$1" "${filename%%.*}.md" 2>/dev/null
fi
rm "$TMPFILE"
touch -t "$touch_timestamp" "$filename"
fi
touch -t "$touch_timestamp" "$filename"
touch -t "$touch_timestamp" "$1"
chmod 644 "$filename"
echo "Posted $filename"
tags_after=$(tags_in_post "$filename")
relevant_tags=$(echo "$tags_before $tags_after" | tr ',' ' ' | tr ' ' '\n' | sort -u | tr '\n' ' ')
if [[ ! -z $relevant_tags ]]; then
relevant_posts="$(posts_with_tags $relevant_tags) $filename"
rebuild_tags "$relevant_posts" "$relevant_tags"
relevant_tags=$(sort -u <<< "$tags_before"$'\n'"$tags_after")
if [[ -n $relevant_tags ]]; then
relevant_posts=$(posts_with_tags $relevant_tags)$'\n'$filename
[[ -n $old_filename ]] && relevant_posts=$(grep -vFx "$old_filename" <<<"$relevant_posts")
rebuild_tags $relevant_posts --tags $relevant_tags
fi
}
@ -488,10 +512,11 @@ create_html_page() {
parse_file() {
# Read for the title and check that the filename is ok
title=""
while IFS='' read -r line; do
while read -r line; do
if [[ -z $title ]]; then
# remove extra <p> and </p> added by markdown
title=$(echo "$line" | sed 's/<\/*p>//g')
title=${line#<p>}
title=${title%</p>}
if [[ -n $3 ]]; then
filename=$3
else
@ -513,7 +538,6 @@ parse_file() {
elif [[ $line == "<p>$template_tags_line_header"* ]]; then
tags=$(echo "$line" | cut -d ":" -f 2- | sed -e 's/<\/p>//g' -e 's/^ *//' -e 's/ *$//' -e 's/, /,/g')
IFS=, read -r -a array <<< "$tags"
echo -n "<p>$template_tags_line_header " >> "$content"
for item in "${array[@]}"; do
echo -n "<a href='$prefix_tags$item.html'>$item</a>, "
@ -578,7 +602,7 @@ EOF
filename=""
while [[ $post_status != "p" && $post_status != "P" ]]; do
[[ -n $filename ]] && rm "$filename" # Delete the generated html file, if any
$EDITOR "$TMPFILE"
invoke_editor "$TMPFILE"
if [[ $fmt == md ]]; then
html_from_md=$(markdown "$TMPFILE")
parse_file "$html_from_md"
@ -620,8 +644,8 @@ EOF
echo "Posted $filename"
relevant_tags=$(tags_in_post $filename)
if [[ -n $relevant_tags ]]; then
relevant_posts="$(posts_with_tags $relevant_tags) $filename"
rebuild_tags "$relevant_posts" "$relevant_tags"
relevant_posts=$(posts_with_tags $relevant_tags)$'\n'$filename
rebuild_tags $relevant_posts --tags $relevant_tags
fi
}
@ -636,7 +660,7 @@ all_posts() {
{
echo "<h3>$template_archive_title</h3>"
prev_month=""
while IFS='' read -r i; do
for i in $(set +f; ls -t ./*.html); do
is_boilerplate_file "$i" && continue
echo -n "." 1>&3
# Month headers
@ -653,7 +677,7 @@ all_posts() {
# Date
date=$(LC_ALL=$date_locale date -r "$i" +"$date_format")
echo " $date</li>"
done < <(ls -t ./*.html)
done
echo "" 1>&3
echo "</ul>"
echo "<div id=\"all_posts\"><a href=\"./$index_file\">$template_archive_index_page</a></div>"
@ -676,7 +700,7 @@ all_tags() {
{
echo "<h3>$template_tags_title</h3>"
echo "<ul>"
for i in $prefix_tags*.html; do
for i in $(set +f; printf '%s\n' $prefix_tags*.html); do
[[ -f "$i" ]] || break
echo -n "." 1>&3
nposts=$(grep -c "<\!-- text begin -->" "$i")
@ -713,7 +737,8 @@ rebuild_index() {
# Create the content file
{
n=0
while IFS='' read -r i; do
for i in $(set +f; ls -t ./*.html) # sort by date, newest first
do
is_boilerplate_file "$i" && continue;
if ((n >= number_of_index_articles)); then break; fi
if [[ -n $cut_do ]]; then
@ -723,7 +748,7 @@ rebuild_index() {
fi
echo -n "." 1>&3
n=$(( n + 1 ))
done < <(ls -t ./*.html) # sort by date, newest first
done
feed=$blog_feed
if [[ -n $global_feedburner ]]; then feed=$global_feedburner; fi
@ -740,14 +765,22 @@ rebuild_index() {
# Finds all tags referenced in one post.
# Accepts either filename as first argument, or post content at stdin
# Prints one line with space-separated tags to stdout
# Prints tags to stdout, one per line.
# (Since we're doing global IFS word splitting on newline only,
# something like 'for tag in $(tags_in_post $i)' will work.)
tags_in_post() {
sed -n "/^<p>$template_tags_line_header/{s/^<p>$template_tags_line_header//;s/<[^>]*>//g;s/[ ,]\+/ /g;p;}" "$1" | tr ', ' ' '
local newline=$'\n'
sed -n "/^<p>$template_tags_line_header/ {
s/^<p>$template_tags_line_header[[:blank:]]*//
s/[[:blank:]]*<[^>]*>[[:blank:]]*//g
s/[[:blank:]]*,[[:blank:]]*/\\$newline/g
p
}" "$1"
}
# Finds all posts referenced in a number of tags.
# Arguments are tags
# Prints one line with space-separated tags to stdout
# Arguments are tags.
# Prints file names to stdout, one per line.
posts_with_tags() {
(($# < 1)) && return
set -- "${@/#/$prefix_tags}"
@ -758,38 +791,40 @@ posts_with_tags() {
# Rebuilds tag_*.html files
# if no arguments given, rebuilds all of them
# if arguments given, they should have this format:
# "FILE1 [FILE2 [...]]" "TAG1 [TAG2 [...]]"
# FILE1 [FILE2 [...]] --tags TAG1 [TAG2 [...]]
# where FILEn are files with posts which should be used for rebuilding tags,
# and TAGn are names of tags which should be rebuilt.
# example:
# rebuild_tags "one_post.html another_article.html" "example-tag another-tag"
# mind the quotes!
# rebuild_tags one_post.html another_article.html --tags example-tag another-tag
rebuild_tags() {
if (($# < 2)); then
if (($# < 1)); then
# will process all files and tags
files=$(ls -t ./*.html)
files=( $(set +f; ls -t ./*.html) )
all_tags=yes
else
# will process only given files and tags
files=$(printf '%s\n' $1 | sort -u)
files=$(ls -t $files)
tags=$2
for ((i=1; i<=$#; i++)); do
[[ ${!i} == --tags ]] && break
done
files=( $(ls -t $(sort -u <<< "${*:1:$((i-1))}")) )
tags=( "${@:$((i+1)):$#}" )
all_tags=''
fi
echo -n "Rebuilding tag pages "
n=0
if [[ -n $all_tags ]]; then
rm ./"$prefix_tags"*.html &> /dev/null
( set +f; rm -f ./"$prefix_tags"*.html )
else
for i in $tags; do
rm "./$prefix_tags$i.html" &> /dev/null
for i in "${tags[@]}"; do
rm -f "./$prefix_tags$i.html"
done
fi
# First we will process all files and create temporal tag files
# with just the content of the posts
tmpfile=tmp.$RANDOM
while [[ -f $tmpfile ]]; do tmpfile=tmp.$RANDOM; done
while IFS='' read -r i; do
is_boilerplate_file "$i" && continue;
for i in "${files[@]}"; do
is_boilerplate_file "$i" && continue
echo -n "."
if [[ -n $cut_do ]]; then
get_html_file_content 'entry' 'entry' 'cut' <"$i" | awk "/$cut_line/ { print \"<p class=\\\"readmore\\\"><a href=\\\"$i\\\">$template_read_more</a></p>\" ; next } 1"
@ -797,19 +832,20 @@ rebuild_tags() {
get_html_file_content 'entry' 'entry' <"$i"
fi >"$tmpfile"
for tag in $(tags_in_post "$i"); do
if [[ -n $all_tags || " $tags " == *" $tag "* ]]; then
# if either all tags or array tags[] contains $tag...
if [[ -n $all_tags || $'\n'"${tags[*]}"$'\n' == *$'\n'"$tag"$'\n'* ]]; then
cat "$tmpfile" >> "$prefix_tags$tag".tmp.html
fi
done
done <<< "$files"
done
rm "$tmpfile"
# Now generate the tag files with headers, footers, etc
while IFS='' read -r i; do
for i in $(set +f; ls -t ./"$prefix_tags"*.tmp.html 2>/dev/null); do
tagname=${i#./"$prefix_tags"}
tagname=${tagname%.tmp.html}
create_html_page "$i" "$prefix_tags$tagname.html" yes "$global_title &mdash; $template_tag_title \"$tagname\"" "$global_author"
rm "$i"
done < <(ls -t ./"$prefix_tags"*.tmp.html 2>/dev/null)
done
echo
}
@ -833,11 +869,12 @@ get_post_author() {
list_tags() {
if [[ $2 == -n ]]; then do_sort=1; else do_sort=0; fi
ls ./$prefix_tags*.html &> /dev/null
(($? != 0)) && echo "No posts yet. Use 'bb.sh post' to create one" && return
if ! (set +f; set -- $prefix_tags*.html; [[ -e $1 ]]); then
echo "No posts yet. Use 'bb.sh post' to create one"
return
fi
lines=""
for i in $prefix_tags*.html; do
for i in $(set +f; printf '%s\n' $prefix_tags*.html); do
[[ -f "$i" ]] || break
nposts=$(grep -c "<\!-- text begin -->" "$i")
tagname=${i#"$prefix_tags"}
@ -856,17 +893,19 @@ list_tags() {
# Displays a list of the posts
list_posts() {
ls ./*.html &> /dev/null
(($? != 0)) && echo "No posts yet. Use 'bb.sh post' to create one" && return
if ! (set +f; set -- *.html; [[ -e $1 ]]); then
echo "No posts yet. Use 'bb.sh post' to create one"
return
fi
lines=""
n=1
while IFS='' read -r i; do
for i in $(set +f; ls -t ./*.html); do
is_boilerplate_file "$i" && continue
line="$n # $(get_post_title "$i") # $(LC_ALL=$date_locale date -r "$i" +"$date_format")"
lines+=$line\\n
n=$(( n + 1 ))
done < <(ls -t ./*.html)
done
echo -e "$lines" | column -t -s "#"
}
@ -889,7 +928,7 @@ make_rss() {
echo "<atom:link href=\"$global_url/$blog_feed\" rel=\"self\" type=\"application/rss+xml\" />"
n=0
while IFS='' read -r i; do
for i in $(set +f; ls -t ./*.html); do
is_boilerplate_file "$i" && continue
((n >= number_of_feed_articles)) && break # max 10 items
echo -n "." 1>&3
@ -903,7 +942,7 @@ make_rss() {
echo "<pubDate>$(LC_ALL=C date -r "$i" +"$date_format_full")</pubDate></item>"
n=$(( n + 1 ))
done < <(ls -t ./*.html)
done
echo '</channel></rss>'
} 3>&1 >"$rssfile"
@ -1002,7 +1041,7 @@ create_css() {
rebuild_all_entries() {
echo -n "Rebuilding all entries "
for i in ./*.html; do
for i in $(set +f; printf '%s\n' *.html); do
is_boilerplate_file "$i" && continue;
contentfile=.tmp.$RANDOM
while [[ -f $contentfile ]]; do contentfile=.tmp.$RANDOM; done
@ -1058,7 +1097,7 @@ reset() {
echo "Are you sure you want to delete all blog entries? Please write \"Yes, I am!\" "
read -r line
if [[ $line == "Yes, I am!" ]]; then
rm .*.html ./*.html ./*.css ./*.rss &> /dev/null
(set +f; rm -f .*.html ./*.html ./*.css ./*.rss)
echo
echo "Deleted all posts, stylesheets and feeds."
echo "Kept your old '.backup.tar.gz' just in case, please delete it manually if needed."
@ -1130,9 +1169,9 @@ do_main() {
fi
# Test for existing html files
if ls ./*.html &> /dev/null; then
if (set +f; set -- *.html; [[ -e $1 ]]); then
# We're going to back up just in case
tar -c -z -f ".backup.tar.gz" -- *.html &&
(set +f; tar -c -z -f ".backup.tar.gz" -- *.html) &&
chmod 600 ".backup.tar.gz"
elif [[ $1 == rebuild ]]; then
echo "Can't find any html files, nothing to rebuild"


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