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doc-diff: let render_tree() take an explicit directory name

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In `render_tree()`, `$1` is documented to be the commit-ish/oid and we
use it as that with `git checkout`, but we mostly use it to form the
name of various directories. To separate these concerns, and because we
are about to construct the directory names a bit differently, take two
distinct arguments instead.

Signed-off-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Martin Ågren 2019-03-17 19:36:01 +01:00 committed by Junio C Hamano
parent 9a71722b4d
commit bc71dc3fa1
1 changed files with 17 additions and 11 deletions
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28
Documentation/doc-diff
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@ -79,6 +79,9 @@ then
ln -s "$dots/config.mak" "$tmp/worktree/config.mak"
fi
from_dir=$from_oid &&
to_dir=$to_oid &&
# generate_render_makefile <srcdir> <dstdir>
generate_render_makefile () {
find "$1" -type f |
@ -94,7 +97,7 @@ generate_render_makefile () {
done
}
# render_tree <committish_oid>
# render_tree <committish_oid> <directory_name>
render_tree () {
# Skip install-man entirely if we already have an installed directory.
# We can't rely on make here, since "install-man" unconditionally
@ -102,28 +105,31 @@ render_tree () {
# we then can't rely on during the render step). We use "mv" to make
# sure we don't get confused by a previous run that failed partway
# through.
if ! test -d "$tmp/installed/$1"
oid=$1 &&
dname=$2 &&
if ! test -d "$tmp/installed/$dname"
then
git -C "$tmp/worktree" checkout --detach "$1" &&
git -C "$tmp/worktree" checkout --detach "$oid" &&
make -j$parallel -C "$tmp/worktree" \
GIT_VERSION=omitted \
SOURCE_DATE_EPOCH=0 \
DESTDIR="$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"
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 &&
render_tree $to_oid $to_dir &&
git -C $tmp/rendered diff --no-index "$@" $from_dir $to_dir