@ -12,9 +12,16 @@ OPTIONS_SPEC="\
@@ -12,9 +12,16 @@ OPTIONS_SPEC="\
doc-diff [options] <from> <to> [-- <diff-options>]
doc-diff (-c|--clean)
--
j=n parallel argument to pass to make
f force rebuild; do not rely on cached results
c,clean cleanup temporary working files
j=n parallel argument to pass to make
f force rebuild; do not rely on cached results
c,clean cleanup temporary working files
from-asciidoc use asciidoc with the 'from'-commit
from-asciidoctor use asciidoctor with the 'from'-commit
asciidoc use asciidoc with both commits
to-asciidoc use asciidoc with the 'to'-commit
to-asciidoctor use asciidoctor with the 'to'-commit
asciidoctor use asciidoctor with both commits
cut-header-footer cut away header and footer
"
SUBDIRECTORY_OK=1
. "$(git --exec-path)/git-sh-setup"
@ -22,6 +29,9 @@ SUBDIRECTORY_OK=1
@@ -22,6 +29,9 @@ SUBDIRECTORY_OK=1
parallel=
force=
clean=
from_program=
to_program=
cut_header_footer=
while test $# -gt 0
do
case "$1" in
@ -31,6 +41,22 @@ do
@@ -31,6 +41,22 @@ do
clean=t ;;
-f)
force=t ;;
--from-asciidoctor)
from_program=-asciidoctor ;;
--to-asciidoctor)
to_program=-asciidoctor ;;
--asciidoctor)
from_program=-asciidoctor
to_program=-asciidoctor ;;
--from-asciidoc)
from_program=-asciidoc ;;
--to-asciidoc)
to_program=-asciidoc ;;
--asciidoc)
from_program=-asciidoc
to_program=-asciidoc ;;
--cut-header-footer)
cut_header_footer=-cut-header-footer ;;
--)
shift; break ;;
*)
@ -79,6 +105,22 @@ then
@@ -79,6 +105,22 @@ then
ln -s "$dots/config.mak" "$tmp/worktree/config.mak"
fi
construct_makemanflags () {
if test "$1" = "-asciidoc"
then
echo USE_ASCIIDOCTOR=
elif test "$1" = "-asciidoctor"
then
echo USE_ASCIIDOCTOR=YesPlease
fi
}
from_makemanflags=$(construct_makemanflags "$from_program") &&
to_makemanflags=$(construct_makemanflags "$to_program") &&
from_dir=$from_oid$from_program$cut_header_footer &&
to_dir=$to_oid$to_program$cut_header_footer &&
# generate_render_makefile <srcdir> <dstdir>
generate_render_makefile () {
find "$1" -type f |
@ -94,7 +136,7 @@ generate_render_makefile () {
@@ -94,7 +136,7 @@ generate_render_makefile () {
done
}
# render_tree <committish_oid>
# render_tree <committish_oid> <directory_name> <makemanflags>
render_tree () {
# Skip install-man entirely if we already have an installed directory.
# We can't rely on make here, since "install-man" unconditionally
@ -102,28 +144,44 @@ render_tree () {
@@ -102,28 +144,44 @@ render_tree () {
# we then can't rely on during the render step). We use "mv" to make
# sure we don't get confused by a previous run that failed partway
# through.
if ! test -d "$tmp/installed/$1"
oid=$1 &&
dname=$2 &&
makemanflags=$3 &&
if ! test -d "$tmp/installed/$dname"
then
git -C "$tmp/worktree" checkout --detach "$1" &&
git -C "$tmp/worktree" checkout --detach "$oid" &&
make -j$parallel -C "$tmp/worktree" \
$makemanflags \
GIT_VERSION=omitted \
SOURCE_DATE_EPOCH=0 \
DESTDIR="$tmp/installed/$1+" \
DESTDIR="$tmp/installed/$dname+" \
install-man &&
mv "$tmp/installed/$1+" "$tmp/installed/$1"
mv "$tmp/installed/$dname+" "$tmp/installed/$dname"
fi &&
# As with "installed" above, we skip the render if it's already been
# done. So using make here is primarily just about running in
# parallel.
if ! test -d "$tmp/rendered/$1"
if ! test -d "$tmp/rendered/$dname"
then
generate_render_makefile "$tmp/installed/$1" "$tmp/rendered/$1+" |
generate_render_makefile "$tmp/installed/$dname" \
"$tmp/rendered/$dname+" |
make -j$parallel -f - &&
mv "$tmp/rendered/$1+" "$tmp/rendered/$1"
mv "$tmp/rendered/$dname+" "$tmp/rendered/$dname"
if test "$cut_header_footer" = "-cut-header-footer"
then
for f in $(find "$tmp/rendered/$dname" -type f)
do
tail -n +3 "$f" | head -n -2 |
sed -e '1{/^$/d}' -e '${/^$/d}' >"$f+" &&
mv "$f+" "$f" ||
return 1
done
fi
fi
}
render_tree $from_oid &&
render_tree $to_oid &&
git -C $tmp/rendered diff --no-index "$@" $from_oid $to_oid
render_tree $from_oid $from_dir $from_makemanflags &&
render_tree $to_oid $to_dir $to_makemanflags &&
git -C $tmp/rendered diff --no-index "$@" $from_dir $to_dir