Rebuild ncurses to re-sign the package.

Add note about contacting upstream about their signing key.
Add FIXME for prepare() and make build() more readable by line breaks.
Make package() more verbose.
Update maintainer info.

PKGBUILD

@@ -1,50 +1,67 @@
-# Maintainer:  Bartłomiej Piotrowski <bpiotrowski@archlinux.org>
+# Maintainer:  David Runge <dvzrv@archlinux.org>
+# Contributor:  Bartłomiej Piotrowski <bpiotrowski@archlinux.org>
 # Contributor: Allan McRae <allan@archlinux.org>
 # Contributor: judd <jvinet@zeroflux.org>
 
 pkgname=ncurses
 pkgver=6.2
-_pkgver=${pkgver/+/-}
-pkgrel=1
+pkgrel=2
 pkgdesc='System V Release 4.0 curses emulation library'
 arch=(x86_64)
 url='https://invisible-island.net/ncurses/ncurses.html'
 license=(MIT)
 depends=(glibc gcc-libs)
+optdepends=('bash: for ncursesw6-config')
 provides=(libncurses++w.so libformw.so libmenuw.so libpanelw.so libncursesw.so)
 replaces=(alacritty-terminfo)
-source=(https://ftp.gnu.org/pub/gnu/ncurses/ncurses-$pkgver.tar.gz{,.sig})
-#source=(http://invisible-mirror.net/archives/ncurses/current/ncurses-${_pkgver}.tgz{,.asc})
-md5sums=('e812da327b1c2214ac1aed440ea3ae8d'
-         'SKIP')
-validpgpkeys=('C52048C0C0748FEE227D47A2702353E0F7E48EDB')  # Thomas Dickey
+source=("https://ftp.gnu.org/pub/gnu/ncurses/ncurses-$pkgver.tar.gz"{,.sig})
+sha512sums=('4c1333dcc30e858e8a9525d4b9aefb60000cfc727bc4a1062bace06ffc4639ad9f6e54f6bdda0e3a0e5ea14de995f96b52b3327d9ec633608792c99a1e8d840d'
+            'SKIP')
+b2sums=('6680cd7a369a4cb8234442a70869c283f0db6db9d7da1da2a7a5c519eb862a2c9b9411957d99f9ebb5089cad00b42e1ca6bc0784327461113df2eeaec695913c'
+        'SKIP')
+# NOTE: contacted upstream signing key holder about unsafe key (2021-05-02)
+validpgpkeys=('C52048C0C0748FEE227D47A2702353E0F7E48EDB')  # Thomas Dickey <dickey@invisible-island.net>
+
+# FIXME
+# prepare() {
+#   cd $pkgname-$pkgver
+# 
+#   autoreconf -fiv
+# }
 
 build() {
-  cd $pkgname-$_pkgver
+  cd $pkgname-$pkgver
 
-  ./configure --prefix=/usr --mandir=/usr/share/man \
+  ./configure --prefix=/usr \
+    --mandir=/usr/share/man \
     --with-pkg-config-libdir=/usr/lib/pkgconfig \
-    --with-shared --with-normal --without-debug --without-ada \
-    --enable-widec --enable-pc-files --with-cxx-binding --with-cxx-shared \
+    --with-shared \
+    --with-normal \
+    --without-debug \
+    --without-ada \
+    --enable-widec \
+    --enable-pc-files \
+    --with-cxx-binding \
+    --with-cxx-shared \
     --with-manpage-format=normal
   make
 }
 
 package() {
-  cd $pkgname-$_pkgver
+  cd $pkgname-$pkgver
   make DESTDIR="$pkgdir" install
-  install -Dm644 COPYING "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
+  install -vDm 644 COPYING -t "$pkgdir/usr/share/licenses/$pkgname/"
 
   # fool packages looking to link to non-wide-character ncurses libraries
   for lib in ncurses ncurses++ form panel menu; do
     echo "INPUT(-l${lib}w)" > "$pkgdir/usr/lib/lib${lib}.so"
-    ln -s ${lib}w.pc "$pkgdir/usr/lib/pkgconfig/${lib}.pc"
+    ln -sv ${lib}w.pc "$pkgdir/usr/lib/pkgconfig/${lib}.pc"
   done
 
   for lib in tic tinfo; do
     echo "INPUT(libncursesw.so.${pkgver:0:1})" > "$pkgdir/usr/lib/lib${lib}.so"
-    ln -s libncursesw.so.${pkgver:0:1} "$pkgdir/usr/lib/lib${lib}.so.${pkgver:0:1}"
-    ln -s ncursesw.pc "$pkgdir/usr/lib/pkgconfig/${lib}.pc"
+    ln -sv libncursesw.so.${pkgver:0:1} "$pkgdir/usr/lib/lib${lib}.so.${pkgver:0:1}"
+    ln -sv ncursesw.pc "$pkgdir/usr/lib/pkgconfig/${lib}.pc"
   done
 
   # some packages look for -lcurses during build