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minimal/do: invert the sense of the -c option.

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After playing with "continuable" mode for a while, it seems to me that
what most people want will be incremental builds by default (albeit
without any dependency checking to rebuild a target if sources change).
This lets you run minimal/do several times in a row to incrementally
build up your project while you're playing around.  If you want to
start over, use -c.

As a result, in test.do we now recommend using 'minimal/do -c test'
since minimal/do now strays even further from proper redo semantics
otherwise.

While we're here, update the usage message to describe what all the new
options mean.
This commit is contained in:
Avery Pennarun 2018-10-31 00:53:14 -04:00
commit b0a6bd79f9
2 changed files with 18 additions and 10 deletions
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26
minimal/do
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@ -4,8 +4,18 @@
# For the full version, visit http://github.com/apenwarr/redo
#
# The author disclaims copyright to this source file and hereby places it in
# the public domain. (2010 12 14)
# the public domain. (2010 12 14; updated 2018 10 31)
#
USAGE="
usage: $0 [-d] [-x] [-v] [-c] <targets...>
-d print extra debug messages (mostly about dependency checks)
-v run .do files with 'set -v'
-x run .do files with 'set -x'
-c clean up all old targets before starting
Note: $0 is an implementation of redo that does *not* check dependencies.
It will never rebuild a target it has already built, unless you use -c.
"
# By default, no output coloring.
green=""
@ -40,15 +50,15 @@ if [ -z "$DO_BUILT" ]; then
export _do_opt_debug=
export _do_opt_exec=
export _do_opt_verbose=
export _do_opt_continuable=
export _do_opt_clean=
fi
while getopts dxvc _opt; do
while getopts 'dxvch?' _opt; do
case $_opt in
d) _do_opt_debug=1 ;;
x) _do_opt_exec=x ;;
v) _do_opt_verbose=v ;;
c) _do_opt_continuable=1 ;;
*) printf "\nusage: $0 [-d] [-x] [-v] [-c] <targets...>\n" >&2
c) _do_opt_clean=1 ;;
\?|h|*) printf "%s" "$USAGE" >&2
exit 99
;;
esac
@ -64,7 +74,7 @@ if [ -z "$DO_BUILT" ]; then
export DO_BUILT=$PWD/.do_built
: >>"$DO_BUILT"
sort -u "$DO_BUILT" >"$DO_BUILT.new"
if [ -z "$_do_opt_continuable" ]; then
if [ -n "$_do_opt_clean" ]; then
echo "Removing previously built files..." >&2
while read f; do printf "%s\0%s.did\0" "$f" "$f"; done <"$DO_BUILT.new" |
xargs -0 rm -f 2>/dev/null
@ -84,8 +94,6 @@ if [ -z "$DO_BUILT" ]; then
fi
_find_dofile_pwd()
{
dofile=default.$1.do
@ -201,7 +209,7 @@ _redo "$@"
[ "$?" = 0 ] || exit 1
if [ -n "$DO_TOP" ]; then
if [ -z "$_do_opt_continuable" ]; then
if [ -n "$_do_opt_clean" ]; then
echo "Removing stamp files..." >&2
[ ! -e "$DO_BUILT" ] ||
while read f; do printf "%s.did\0" "$f"; done <"$DO_BUILT" |