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|
#!/bin/sh
QUIET=false
NORUN=false
DIE=true
FNEW=false
_ARGS=true
OKFILE=./ok
FRFILE=.fr
usage(){
exec >&2
cat<<EOH
Usage: ok [OPTIONS] [TARGET...]
Options:
-h Show this help and exit
-q Run quietly
-x Run with 'set -x'
-B Run all targets as if they were "new"
-f FILE Use FILE as \$OKFILE (default: 'ok')
-C DIRECTORY Change to DIRECTORY before doing anything
Targets defined in $OKFILE:
$(sed -n \
-e 's/^alias *\(.*\)/*\1/p' \
-e 's/^\([a-z][a-z]*\)().*##* *\(.*\)/ \1 # \2/p' \
-e 's/^\([a-z][a-z]*\)().*/ \1/p' \
"$OKFILE")
EOH
}
die(){
ec="$1"; shift
printf '%s\n' "$*" >&2
exit $ec
}
procargs(){
$_ARGS || return 1
while getopts hqnxBf:C: OPT
do
case "$OPT" in
(h) usage; exit ;;
(q) QUIET=true ;;
(x) set -x ;;
(n) NORUN=true ;;
(B) FNEW=true ;;
(f) test -f "$OPTARG" && OKFILE="$OPTARG" || exit 2 ;;
(C) cd "$OPTARG" || exit 2 ;;
(*) usage; exit 1 ;;
esac
done
}
go(){
procargs "$@" && shift $((OPTIND - 1))
DEFAULT="$(sed -n 's/^\([a-z][a-z]*\)().*/\1/p' "$OKFILE"|sed q)"
. "$OKFILE" || exit 3
test -z "$1" && "$DEFAULT"
for target
do
if grep -q "$target" "$FRFILE" 2>/dev/null
then if buildp "$target" \
"$(grep "$target" "$FRFILE" | cut -f3-)"
then eval "$(grep "$target" "$FRFILE" | cut -f2-)"
fi
else "$target"
fi
done
}
dep(){
_ARGS=false go "$@" || exit "$((200 + $?))"
}
buildp(){ # buildp TARGET DEPENDENCIES...
$FNEW && return 0
target="$1"; shift
test -e "$target" || return 0
for f
do
test x-- = "x$f" && continue
test "$f" -nt "$target" && return 0
done
return 1
}
ok(){ # ok COMMAND ARGS..
case "$1" in (-) DIE=false; shift ;; esac
$QUIET || printf >&2 '* %s\n' "$*"
$NORUN || "$@"; ec="$?"
if $DIE && test $ec -ne 0
then die $((100 + $?)) not ok
else return $ec
fi
}
quietly(){ "$@" >/dev/null 2>&1; }
allfiles(){
while read -r target line
do TARGET="$target" eval "$line"
done <"$FRFILE"
}
fr(){ # fr < TARGET JOB DEPS...
# recommended: use a heredoc
:>"$FRFILE"
while read -r target job deps
do
eval set -- "$deps"
printf '%s\tok %s\t%s\n' \
"$target" \
"$job" \
"$(printf '%s\n' "$deps"|sed 's/--.*//')" \
>>"$FRFILE"
done
}
go "$@" && echo ok
|
