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minimal/do: use ".did" stamp files instead of empty target files.

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If all.do runs and creates no output, we shouldn't create a file called
'all', but we should remember that 'all' has been run successfully.  We do
this by creating 'all.did' during the build.

Since minimal/do always just wipes everything out every time it runs, we can
safely remove the .did files after minimal/do terminates, so this doesn't
clutter things too much in normal use.

This fixes some edge cases, particularly that 'minimal/do clean' no longer
leaves stupid files named "clean" lying around, and the redo-sh directory
can now be rebuilt correctly since we rebuild it as long as redo-sh.did
doesn't exist.  (We don't want to "rm -rf redo-sh" because it makes me
nervous.)
This commit is contained in:
Avery Pennarun 2011-01-01 03:42:35 -08:00
commit fb5275938d
2 changed files with 16 additions and 6 deletions
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2
clean.do
View file

@ -1,3 +1,4 @@
rm -rf t/.redo redo-sh
if [ -e .do_built ]; then
while read x; do
rm -f "$x"
@ -6,5 +7,4 @@ fi
[ -z "$DO_BUILT" ] && rm -rf .do_built .do_built.dir
redo t/clean Documentation/clean
rm -f *~ .*~ */*~ */.*~ *.pyc install.wrapper
rm -rf t/.redo redo-sh
find . -name '*.tmp' -exec rm -fv {} \;

20
minimal/do
View file

@ -15,12 +15,14 @@ _dirsplit()
_dirsplit "$0"
export REDO=$(cd "${dir:-.}" && echo "$PWD/$base")
DO_TOP=
if [ -z "$DO_BUILT" ]; then
DO_TOP=1
export DO_BUILT=$PWD/.do_built
if [ -e "$DO_BUILT" ]; then
echo "Removing previously built files..." >&2
sort -u "$DO_BUILT" | tee "$DO_BUILT.new" |
while read f; do rm -f "$f" 2>/dev/null; done
while read f; do rm -f "$f" "$f.did" 2>/dev/null; done
mv "$DO_BUILT.new" "$DO_BUILT"
fi
DO_PATH=$DO_BUILT.dir
@ -55,7 +57,7 @@ _run_dofile()
export DO_DEPTH="$DO_DEPTH "
export REDO_TARGET=$PWD/$TARGET
set -e
. "$PWD/$DOFILE" >"$TARGET.tmp"
. "$PWD/$DOFILE" >"$TARGET.tmp2"
}
@ -63,7 +65,7 @@ _do()
{
DIR=$1
TARGET=$2
if [ ! -e "$TARGET" ]; then
if [ ! -e "$TARGET" ] || [ -e "$TARGET/." -a ! -e "$TARGET.did" ]; then
printf '\033[32mdo %s\033[1m%s\033[m\n' \
"$DO_DEPTH" "$DIR$TARGET" >&2
echo "$PWD/$TARGET" >>"$DO_BUILT"
@ -75,6 +77,7 @@ _do()
echo "do: $TARGET: no .do file" >&2
return 1
fi
: >>"$TARGET.did"
( _run_dofile "$BASE" "$EXT" "$TARGET.tmp" )
RV=$?
if [ $RV != 0 ]; then
@ -82,8 +85,10 @@ _do()
"$DIR$TARGET: got exit code $RV" >&2
return $RV
fi
mv "$TARGET.tmp" "$TARGET" 2>/dev/null
: >>"$TARGET"
mv "$TARGET.tmp" "$TARGET" 2>/dev/null ||
! test -s "$TARGET.tmp2" ||
mv "$TARGET.tmp2" "$TARGET" 2>/dev/null
rm -f "$TARGET.tmp2"
else
echo "do $DO_DEPTH$TARGET exists." >&2
fi
@ -105,3 +110,8 @@ if [ -n "$*" ]; then
else
redo all
fi
if [ -n "$DO_TOP" ]; then
echo "Removing stamp files..." >&2
while read f; do rm -f "$f.did" 2>/dev/null; done <"$DO_BUILT"
fi