#!/bin/sh
# J. Welsh, May 2023

# unique prefix for fragment identifiers, in case multiple articles are viewed per page (derived from article ID of the saved draft)
aprefix=a233

printf '<h3><a id="%s_patches"></a>Table of Patches</h3>
<table>
<tr>
	<th>Name</th>
	<th>Type</th>
	<th>Files</th>
	<th>Insertions</th>
	<th>Deletions</th>
</tr>
' $aprefix

ls *.patch | while read pname; do
	type=`sed -n '/^Type:/ { s/^Type: //; p; q }' $pname`
	color='inherit'
	case "$type" in
		*removal*) color='#f88' ;;
		*structure*) color='#8f8' ;;
		*import*) color='#acf' ;;
		*existing*|*portability*) color='#ff8' ;;
	esac
	printf '<tr style="background-color:%s;">\n' $color
	printf '\t<td><a href="#%s_%s">%s</a></td>\n' $aprefix `basename $pname .patch` $pname
	printf '\t<td>%s</td>\n' "$type"
	diffstat -s $pname | awk '
	BEGIN { RS="," }
	/changed/ { changed=$1 }
	/insertions/ { ins=$1 }
	/deletions/ { del=$1 }
	END {
		printf("\t<td>%d</td>\n", changed);
		printf("\t<td>+%d</td>\n", ins);
		printf("\t<td>-%d</td>\n", del);
	}'
	echo '</tr>'
done

echo '</table>
'

ls *.patch | while read pname; do
	printf '<h3><a id="%s_%s"></a>%s</h3>\n\n' $aprefix `basename $pname .patch` $pname
	printf '(<a href="#%s_patches">top</a> - <a href="/code/dovecot/bridge240/%s">view patch</a>)\n\n' $aprefix $pname
	echo '<blockquote>'
	sed -n '/^diff/ q;
	/^$/,$ {
		s/^    //;
		s/&/\&amp;/g;
		s/</\&lt;/g;
		s/((/(\&lpar;/g;
		s/))/)\&rpar;/g;
		s|^\(  *.*\)|<pre>\1</pre>|;
		s/fixpoint.welshcomputing.com/jfxpt.com/g;
		s|\(http://[^ ]*\)|<a href="\1">\1</a>|g;
		p
	}' $pname
	echo '</blockquote>'
done