new: migrate even more packages

src/gnupg/.gitignore

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+.cache/
+dist/
+root/

src/gnupg/changes.md

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+# 2.4.4
+First version

src/gnupg/pkg.sh

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+# general info
+NAME="gnupg"
+DESC="GNU Privacy Guard"
+VERSION="2.4.4"
+
+# required files
+FILES=("https://www.gnupg.org/ftp/gcrypt/gnupg/gnupg-${VERSION}.tar.bz2")
+HASHES=("114ac6367668a330ffae1ade6d79133a")
+
+# install and build depends
+DEPENDS=(
+  "libassuan" "libgcrypt" "libksba"
+  "npth" "openldap" "curl" "pinentry"
+  "gnutls" "glibc" "readline" "zlib"
+)
+BUILD=()
+
+build(){
+  tar xf "${NAME}-${VERSION}.tar.bz2"
+  cd "${NAME}-${VERSION}"
+
+  mkdir build
+  cd    build
+
+  ../configure --prefix=/usr         \
+             --localstatedir=/var    \
+             --sysconfdir=/etc       \
+             --docdir="/usr/share/doc/gnupg-${VERSION}"
+
+  make
+  makeinfo --html --no-split -I doc -o doc/gnupg_nochunks.html ../doc/gnupg.texi
+  makeinfo --plaintext       -I doc -o doc/gnupg.txt           ../doc/gnupg.texi
+  make -C doc html
+
+  make DESTDIR="${ROOTDIR}" install
+
+  install -v -m755 -d "${ROOTDIR}/usr/share/doc/gnupg-${VERSION}/html"
+  install -v -m644 doc/gnupg_nochunks.html \
+                  "${ROOTDIR}/usr/share/doc/gnupg-${VERSION}/html/gnupg.html"
+  install -v -m644 ../doc/*.texi doc/gnupg.txt \
+                  "${ROOTDIR}/usr/share/doc/gnupg-${VERSION}"
+  install -v -m644 doc/gnupg.html/* \
+                  "${ROOTDIR}/usr/share/doc/gnupg-${VERSION}/html"
+
+  cd ../.. && rm -r "${NAME}-${VERSION}"
+}