freebsd-skq/contrib/bmake/import.sh
Simon J. Gerraty 06b9b3e0ad Merge bmake-20210110
Quite a lot of churn on style, but lots of
good work refactoring complicated functions
and lots more unit-tests.
Thanks mostly to rillig at NetBSD

Some interesting entries from ChangeLog

o .MAKE.{UID,GID} represent uid and gid running make.

o allow env var MAKE_OBJDIR_CHECK_WRITABLE=no to skip writable
  checks in InitObjdir.  Explicit .OBJDIR target always allows
  read-only directory.

o add more unit tests for META MODE

Merge commit '8e11a9b4250be3c3379c45fa820bff78d99d5946' into main

Change-Id: I464fd4c013067f0915671c1ccc96d2d8090b2b9c
2021-01-13 22:21:37 -08:00

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#!/bin/sh
# Import bmake
ECHO=
GIT=${GIT:-git}
# For consistency...
Error() {
echo ERROR: ${1+"$@"} >&2
exit 1
}
Cd() {
[ $# -eq 1 ] || Error "Cd() takes a single parameter."
cd $1 || Error "cannot \"cd $1\" from $PWD"
}
# Call this function and then follow it by any specific import script additions
option_parsing() {
local _shift=$#
# Parse command line options
while :
do
case "$1" in
*=*) eval "$1"; shift;;
--) shift; break;;
-a) TARBALL=$2; shift 2;;
-n) ECHO=echo; shift;;
-P) PR=$2; shift 2;;
-r) REVIEWER=$2; shift 2;;
-u) url=$2; shift 2;;
-h) echo "Usage:";
echo " "$0 '[-ahnPr] [TARBALL=] [PR=] [REVIEWER=]'
echo " "$0 '-a <filename> # (a)rchive'
echo " "$0 '-h # print usage'
echo " "$0 '-n # do not import, check only.'
echo " "$0 '-P <PR Number> # Use PR'
echo " "$0 '-r <reviewer(s) list> # (r)eviewed by'
echo " "$0 'PR=<PR Number>'
echo " "$0 'REVIEWER=<reviewer(s) list>'
exit 1;;
*) break;;
esac
done
return $(($_shift - $#))
}
###
option_parsing "$@"
shift $?
TF=/tmp/.$USER.$$
Cd `dirname $0`
test -s ${TARBALL:-/dev/null} || Error need TARBALL
here=`pwd`
# thing should match what the TARBALL contains
thing=`basename $here`
case "$thing" in
bmake) (cd .. && tar zxf $TARBALL);;
*) Error "we should be in bmake";;
esac
VERSION=`grep '^_MAKE_VERSION' VERSION | sed 's,.*=[[:space:]]*,,'`
rm -f *~
mkdir -p ../tmp
if [ -z "$ECHO" ]; then
# new files are handled automatically
# but we need to rm if needed
$GIT diff FILES | sed -n '/^-[^-]/s,^-,,p' > $TF.rm
test -s $TF.rm && xargs rm -f < $TF.rm
$GIT add -A
$GIT diff --staged | tee ../tmp/bmake-import.diff
echo "$GIT tag -a vendor/NetBSD/bmake/$VERSION" > ../tmp/bmake-post.sh
echo "After you commit, run $here/../tmp/bmake-post.sh"
else
# FILES is kept sorted so we can determine what was added and deleted
$GIT diff FILES | sed -n '/^+[^+]/s,^+,,p' > $TF.add
$GIT diff FILES | sed -n '/^-[^-]/s,^-,,p' > $TF.rm
test -s $TF.rm && { echo Removing:; cat $TF.rm; }
test -s $TF.add && { echo Adding:; cat $TF.add; }
$GIT diff
fi