From 5ff38e903a9ada8938aa71695af44b8bdde29fa9 Mon Sep 17 00:00:00 2001
From: p4bl0 <pablo@rauzy.name>
Date: Mon, 2 Aug 2010 13:49:17 +0200
Subject: post-receive now works :-)

---
 html-gen.sh | 367 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 367 insertions(+)
 create mode 100644 html-gen.sh

(limited to 'html-gen.sh')

diff --git a/html-gen.sh b/html-gen.sh
new file mode 100644
index 0000000..eb26772
--- /dev/null
+++ b/html-gen.sh
@@ -0,0 +1,367 @@
+blog_url=`git config --get fugitive.blog-url`
+if [ "$blog_url" = "" ]; then
+  echo -n "[fugitive] WARNING: git config fugitive.blog-url is empty and "
+  echo "should not be, please set it as soon as possible."
+fi
+templates_dir=`git config --get fugitive.templates-dir`
+public_dir=`git config --get fugitive.public-dir`
+if [ ! -d "$public_dir" ]; then mkdir -p "$public_dir"; fi
+articles_dir=`git config --get fugitive.articles-dir`
+preproc=`git config --get fugitive.preproc`
+
+generated_files=`mktemp --suffix "-fugitive"`
+
+articles_sorted=`mktemp --suffix "-fugitive"`
+for f in "$articles_dir"/*; do
+  ts=`git log --format="%at" -- "$f" | tail -1`
+  if [ "$ts" != "" ]; then
+    echo "$ts ${f#$articles_dir/}"
+  fi
+done | sort -nr | cut -d' ' -f2 > "$articles_sorted"
+
+articles_sorted_with_delete=`mktemp --suffix "-fugitive"`
+for f in "$articles_dir"/* $deleted_files; do
+  ts=`git log --format="%at" -- "$f" | tail -1`
+  if [ "$ts" != "" ]; then
+    echo "$ts ${f#$articles_dir/}"
+  fi
+done | sort -nr | cut -d' ' -f2 > "$articles_sorted_with_delete"
+
+commits=`mktemp --suffix "-fugitive"`
+git log --oneline | cut -d' ' -f1 > "$commits"
+
+get_article_info() {
+  git log --format="$1" -- "$articles_dir/$2"
+}
+get_article_next_file() {
+  next=`grep -B1 "$1" "$articles_sorted" | head -1`
+  if [ "$next" != "$1" ]; then
+    echo "$next"
+  fi
+}
+get_article_previous_file() {
+  previous=`grep -A1 "$1" "$articles_sorted" | tail -1`
+  if [ "$previous" != "$1" ]; then
+    echo "$previous"
+  fi
+}
+get_deleted_next_file() {
+  next=`grep -B1 "$1" "$articles_sorted_with_delete" | head -1`
+  if [ "`echo $deleted_files | grep -c \"$next\"`" = "0" ]; then
+    echo "$next"
+  fi
+}
+get_deleted_previous_file() {
+  previous=`grep -A1 "$1" "$articles_sorted_with_delete" | tail -1`
+  if [ "`echo $deleted_files | grep -c \"$previous\"`" = "0" ]; then
+    echo "$previous"
+  fi
+}
+get_article_title() {
+  if [ "$1" != "" ]; then
+    head -1 "$articles_dir/$1"
+  fi
+}
+get_article_content() {
+  tmp=`mktemp --suffix "-fugitive"`
+  tail -n+2 "$articles_dir/$1" > "$tmp"
+  echo "$tmp"
+}
+
+get_commit_info() {
+  git show --quiet --format="$1" "$2"
+}
+get_commit_body() {
+  tmp=`mktemp --suffix "-fugitive"`
+  git show --quiet --format="%b" "$1" > "$tmp"
+  if [ "`cat \"$tmp\" | sed \"/^$/d\" | wc -l`" != "0" ]; then
+    echo "$tmp"
+  fi
+}
+
+sanit_mail() {
+  sed "s/@/[at]/;s/\./(dot)/"
+}
+
+replace_condition() {
+  if [ "$2" = "" ]; then
+    sed "s/<?fugitive\s\+\(end\)\?ifset:$1\s*?>/\n\0\n/g" | \
+      sed "/<?fugitive\s\+ifset:$1\s*?>/,/<?fugitive\s\+endifset:$1\s*?>/bdel
+        b
+        :del
+        s/<?fugitive\s\+endifset:$1\s*?>.*//
+        /<?fugitive\s\+endifset:$1\s*?>/b
+        d"
+  else
+    sed "s/<?fugitive\s\+\(end\)\?ifset:$1\s*?>//"
+  fi
+}
+
+replace_str() {
+  esc=`echo $2 | sed 's/\//\\\\\//g'`
+  replace_condition "$1" "$2" | \
+    sed "s/<?fugitive\s\+$1\s*?>/$esc/g"
+}
+
+# REMEMBER: 2nd arg should be a tempfile!
+replace_file() {
+  if [ -f "$2" ]; then
+    sed "s/<?fugitive\s\+$1\s*?>/\n\0\n/g" | \
+      sed "/<?fugitive\s\+$1\s*?>/ {
+        r $2
+        d }"
+    rm "$2"
+  else
+    cat
+  fi
+}
+
+replace_includes() {
+  buf=`mktemp --suffix "-fugitive"`
+  buf2=`mktemp --suffix "-fugitive"`
+  cat > "$buf"
+  includes=`cat "$buf" | \
+    sed "s/<?fugitive\s\+include:.\+\s*?>/\n\0\n/g" | \
+    grep -E "<\?fugitive\s+include:.+\s*\?>" | \
+    sed "s/^<?fugitive\s\+include://;s/\s*?>$//"`
+  for i in $includes; do
+    esc=`echo -n $i | sed 's/\//\\\\\//g'`
+    inc="$templates_dir/$i"
+    cat "$buf" | \
+      sed "/<?fugitive\s\+include:$esc\s*?>/ {
+        r $inc
+        d }" > "$buf2"
+    tmpbuf="$buf"
+    buf="$buf2"
+    buf2="$tmpbuf"
+  done
+  cat "$buf"
+  rm "$buf" "$buf2"
+}
+
+replace_commit_info() {
+  commit_Hash=`get_commit_info "%H" "$1"`
+  commit_hash=`get_commit_info "%h" "$1"`
+  commit_author=`get_commit_info "%an" "$1"`
+  commit_author_email=`get_commit_info "%ae" "$1" | sanit_mail`
+  commit_datetime=`get_commit_info "%ai" "$1"`
+  commit_date=`echo $commit_datetime | cut -d' ' -f1`
+  commit_time=`echo $commit_datetime | cut -d' ' -f2`
+  commit_timestamp=`get_commit_info "%at" "$1"`
+  commit_subject=`get_commit_info "%s" "$1"`
+  commit_slug=`get_commit_info "%f" "$1"`
+  commit_body=`get_commit_body "$1"`
+  
+  replace_str "commit_Hash" "$commit_Hash" | \
+    replace_str "commit_hash" "$commit_hash" | \
+    replace_str "commit_author" "$commit_author" | \
+    replace_str "commit_author_email" "$commit_author_email" | \
+    replace_str "commit_datetime" "$commit_datetime" | \
+    replace_str "commit_date" "$commit_date" | \
+    replace_str "commit_time" "$commit_time" | \
+    replace_str "commit_timestamp" "$commit_timestamp" | \
+    replace_str "commit_subject" "$commit_subject" | \
+    replace_str "commit_slug" "$commit_slug" | \
+    replace_file "commit_body" "$commit_body"
+}
+
+replace_article_info() {
+  article_title=`get_article_title "$1"`
+  article_cdatetime=`get_article_info "%ai" "$1" | tail -1`
+  article_cdate=`echo "$article_cdatetime" | cut -d' ' -f1`
+  article_ctime=`echo "$article_cdatetime" | cut -d' ' -f2`
+  article_ctimestamp=`get_article_info "%at" "$1" | tail -1`
+  u=`get_article_info "%ai" "$1" | wc -l`
+  article_mdatetime=`if test "$u" -gt 1; then get_article_info "%ai" "$1" | \
+    head -1; fi`
+  article_mdate=`echo "$article_mdatetime" | cut -d' ' -f1`
+  article_mtime=`echo "$article_mdatetime" | cut -d' ' -f2`
+  article_mtimestamp=`if test "$u" -gt 1; then get_article_info "%at" \
+    "$1" | head -1; fi`
+  article_cauthor=`get_article_info "%an" "$1" | tail -1`
+  article_cauthor_email=`get_article_info "%ae" "$1" | tail -1 | sanit_mail`
+  article_mauthor=`get_article_info "%an" "$1" | head -1`
+  article_mauthor_email=`get_article_info "%ae" "$1" | head -1 | sanit_mail`
+  article_previous_file=`get_article_previous_file "$1"`
+  article_previous_title=`get_article_title "$article_previous_file"`
+  article_next_file=`get_article_next_file "$1"`
+  article_next_title=`get_article_title "$article_next_file"`
+
+  replace_file "article_content" "`get_article_content \"$1\"`" | \
+    replace_str "article_file" "$1" | \
+    replace_str "article_title" "$article_title" | \
+    replace_str "article_cdatetime" "$article_cdatetime" | \
+    replace_str "article_cdate" "$article_cdate" | \
+    replace_str "article_ctime" "$article_ctime" | \
+    replace_str "article_ctimestamp" "$article_ctimestamp" | \
+    replace_str "article_mdatetime" "$article_mdatetime" | \
+    replace_str "article_mdate" "$article_mdate" | \
+    replace_str "article_mtime" "$article_mtime" | \
+    replace_str "article_mtimestamp" "$article_mtimestamp" | \
+    replace_str "article_cauthor" "$article_cauthor" | \
+    replace_str "article_cauthor_email" "$article_cauthor_email" | \
+    replace_str "article_mauthor" "$article_mauthor" | \
+    replace_str "article_mauthor_email" "$article_mauthor_email" | \
+    replace_str "article_previous_file" "$article_previous_file" | \
+    replace_str "article_previous_title" "$article_previous_title" | \
+    replace_str "article_next_file" "$article_next_file" | \
+    replace_str "article_next_title" "$article_next_title"
+}
+
+replace_empty_article_info() {
+  replace_str "article_file" "" | \
+    replace_str "article_title" "" | \
+    replace_str "article_cdatetime" "" | \
+    replace_str "article_cdate" "" | \
+    replace_str "article_ctime" "" | \
+    replace_str "article_ctimestamp" "" | \
+    replace_str "article_mdatetime" "" | \
+    replace_str "article_mdate" "" | \
+    replace_str "article_mtime" "" | \
+    replace_str "article_mtimestamp" "" | \
+    replace_str "article_cauthor" "" | \
+    replace_str "article_cauthor_email" "" | \
+    replace_str "article_mauthor" "" | \
+    replace_str "article_mauthor_email" "" | \
+    replace_str "article_previous_file" "" | \
+    replace_str "article_previous_title" "" | \
+    replace_str "article_next_file" "" | \
+    replace_str "article_next_title" ""
+}
+
+replace_foreach () {
+  foreach_body=`mktemp --suffix "-fugitive"`
+  tmpfile=`mktemp --suffix "-fugitive"`
+  temp=`mktemp --suffix "-fugitive"`
+  fe="foreach:$1"
+  cat > "$temp"
+  cat "$temp" | \
+    sed -n "/<?fugitive\s\+$fe\s*?>/,/<?fugitive\s\+end$fe\s*?>/p" | \
+    tail -n +2 | head -n -1 > "$foreach_body"
+  if [ ! -s "$foreach_body" ]; then
+    cat "$temp"
+    rm "$foreach_body" "$tmpfile" "$temp"
+    return
+  fi
+  cat "$temp" | \
+  sed "s/<?fugitive\s\+$fe\s*?>/<?fugitive foreach_body ?>\n\0/" | \
+    sed "/<?fugitive\s\+$fe\s*?>/,/<?fugitive\s\+end$fe\s*?>/d" | \
+    cat > "$tmpfile"
+  for i in `cat "$2"`; do
+    cat "$foreach_body" | replace_$1_info "$i"
+  done > "$temp"
+  cat "$tmpfile" | replace_file "foreach_body" "$temp"
+  rm "$foreach_body" "$tmpfile"
+}
+
+generate_article() {
+  if [ "$preproc" != "" ]; then
+    preproc_bak=`mktemp --suffix "-fugitive" -d "$articles_dir"`
+    mv "$1" "$preproc_bak"
+    ($preproc) < "$preproc_bak" > "$1"
+  fi
+  art="${1#$articles_dir/}"
+  cat "$templates_dir/article.html" | \
+    replace_includes | \
+    replace_str "page_title" "`get_article_title \"$art\"`" | \
+    replace_str "blog_url" "$blog_url" | \
+    replace_commit_info "-1" | \
+    replace_article_info "$art" | \
+    sed "/^\s*$/d" > "$public_dir/$art.html"
+  if [ "$preproc" != "" ]; then mv "$preproc_bak" "$1"; fi
+}
+
+regenerate_previous_and_next_article_maybe() {
+  if [ "$1" != "" -a \
+       "`grep -c \"$1\" \"$generated_files\"`" = "0" ]; then
+    echo -n "[fugitive] Regenerating $public_dir/$1.html"
+    echo -n " (as previous article) from $articles_dir/$1... "
+    generate_article "$articles_dir/$1"
+    echo "done."
+    echo "$1" >> "$generated_files"
+  fi
+  if [ "$2" != "" -a \
+       "`grep -c \"$2\" \"$generated_files\"`" = "0" ]; then
+    echo -n "[fugitive] Regenerating $public_dir/$2.html"
+    echo -n " (as next article) from $articles_dir/$2... "
+    generate_article "$articles_dir/$2"
+    echo "done."
+    echo "$2" >> "$generated_files"
+  fi
+}
+
+modification=0
+
+for f in $added_files $modified_files; do
+  if [ "$f" != "${f#$articles_dir}" ]; then
+    modification=$((modification + 1))
+    echo -n "[fugitive] Generating $public_dir/${f#$articles_dir/}.html from"
+    echo -n " $f... "
+    generate_article "$f"
+    echo "done."
+    echo "${f#$articles_dir/}" >> "$generated_files"
+  fi
+done
+
+for f in $added_files; do
+  if [ "$f" != "${f#$articles_dir}" ]; then
+    art="${f#$articles_dir/}"
+    echo -n "[fugitive] Adding $public_dir/$art.html to git ignore list... "
+    echo "$public_dir/$art.html" >> .git/info/exclude
+    echo "done."
+    previous=`get_article_previous_file "$art"`
+    next=`get_article_next_file "$art"`
+    regenerate_previous_and_next_article_maybe "$previous" "$next"
+  fi
+done
+
+for f in $deleted_files; do
+  if [ "$f" != "${f#$articles_dir}" ]; then
+    modification=$((modification + 1))
+    art="${f#$articles_dir/}"
+    echo -n "[fugitive] Deleting $public_dir/$art.html... "
+    rm "$public_dir/$art.html"
+    echo "done."
+    echo -n "[fugitive] Removing $art.html from git ignore list... "
+    sed -i "/^$public_dir\/$art.html$/d" .git/info/exclude
+    echo "done."
+    previous=`get_deleted_previous_file "$art"`
+    next=`get_deleted_next_file "$art"`
+    regenerate_previous_and_next_article_maybe "$previous" "$next"
+  fi
+done
+
+if [ $modification -gt 0 ]; then
+  echo -n "[fugitive] Generating $public_dir/archives.html... "
+  cat "$templates_dir/archives.html" | \
+    replace_includes | \
+    replace_foreach "article" "$articles_sorted" | \
+    replace_foreach "commit" "$commits" | \
+    replace_empty_article_info | \
+    replace_str "page_title" "archives" | \
+    replace_str "blog_url" "$blog_url" | \
+    replace_commit_info "-1" | \
+    sed "/^\s*$/d" > "$public_dir/archives.html"
+  echo "done."
+  echo -n "[fugitive] Generating $public_dir/feed.xml... "
+  last_5_articles=`mktemp --suffix "-fugitive"`
+  head -5 "$articles_sorted" > "$last_5_articles"
+  last_5_commits=`mktemp --suffix "-fugitive"`
+  head -5 "$commits" > "$last_5_commits"
+  cat "$templates_dir/feed.xml" | \
+    replace_foreach "article" "$last_5_articles" | \
+    replace_foreach "commit" "$last_5_commits" | \
+    replace_str "blog_url" "$blog_url" | \
+    replace_commit_info "-1" | \
+    sed "/^\s*$/d" > "$public_dir/feed.xml"
+  echo "done."
+  rm "$last_5_articles" "$last_5_commits"
+  echo -n "[fugitive] Using last published article as index page... "
+  cp "$public_dir/`head -1 $articles_sorted`.html" "$public_dir/index.html"
+  echo "done".
+  echo "[fugitive] Blog update complete."
+fi
+rm "$articles_sorted"
+rm "$articles_sorted_with_delete"
+rm "$commits"
+rm "$generated_files"
-- 
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