From e7676411e49bfd2e0da0b785ad4ac5dc909d0a41 Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Fri, 26 Aug 2022 17:11:23 +0200
Subject: user/ports: port oed

make clean; ./port ed clean; make -j4 out/libc.a && ./port ed install && make -j4
---
 Makefile                      |  1 +
 port                          | 14 +++++++++
 ports/bin/camellia_path_check |  1 +
 ports/bin/cc                  |  6 ++++
 ports/ed                      | 67 +++++++++++++++++++++++++++++++++++++++++++
 src/user/app/init/init.c      |  1 +
 6 files changed, 90 insertions(+)
 create mode 100755 port
 create mode 100755 ports/bin/camellia_path_check
 create mode 100755 ports/bin/cc
 create mode 100644 ports/ed

diff --git a/Makefile b/Makefile
index dd4cdbd..49a1745 100644
--- a/Makefile
+++ b/Makefile
@@ -109,6 +109,7 @@ out/initrd/font.psf: /usr/share/kbd/consolefonts/default8x16.psfu.gz
 
 out/initrd.tar: $(patsubst %,out/%,$(shell find initrd/ -type f)) \
                 $(patsubst %,out/initrd/bin/amd64/%,$(USERBINS)) \
+                $(shell find out/initrd/) \
                 out/initrd/font.psf
 	@cd out/initrd; tar chf ../initrd.tar *
 
diff --git a/port b/port
new file mode 100755
index 0000000..78ad7b0
--- /dev/null
+++ b/port
@@ -0,0 +1,14 @@
+#!/bin/sh
+set -eu
+export REPO="$PWD"
+export PREFIX="$REPO/out/initrd/usr/"
+export PATH="$REPO/ports/bin/:$REPO/toolchain/bin/:$PATH"
+
+if [ $1 = deepclean ]; then
+	rm -rf ports/out/
+	exit
+fi
+
+mkdir -p ports/out/$1/ $PREFIX
+cd ports/out/$1/
+sh $REPO/ports/$1 $2
diff --git a/ports/bin/camellia_path_check b/ports/bin/camellia_path_check
new file mode 100755
index 0000000..96b4b06
--- /dev/null
+++ b/ports/bin/camellia_path_check
@@ -0,0 +1 @@
+#!/bin/sh
\ No newline at end of file
diff --git a/ports/bin/cc b/ports/bin/cc
new file mode 100755
index 0000000..6478b6e
--- /dev/null
+++ b/ports/bin/cc
@@ -0,0 +1,6 @@
+#!/bin/sh
+exec x86_64-elf-gcc -ffreestanding -fPIE -mno-sse \
+	-nostdlib -Wl,-pie -Wl,-no-dynamic-linker -T $REPO/src/user/linker.ld \
+	-I$REPO/src/ -I$REPO/src/shared/include/ -I$REPO/src/user/lib/include/ \
+	$* \
+	-L$REPO/out/ -lc -lgcc
diff --git a/ports/ed b/ports/ed
new file mode 100644
index 0000000..87dd05c
--- /dev/null
+++ b/ports/ed
@@ -0,0 +1,67 @@
+set -eu
+camellia_path_check
+
+fetch() {
+	# TODO shallow clone, once 7.1 gets tagged
+	# better yet, use a tarball
+	git clone https://github.com/ibara/oed
+	cd oed
+	git -c advice.detachedHead=false checkout fc1497fa466ff10c7437f07a00ba888242618ce5
+}
+
+configure() {
+	cd oed
+	cat <<\EOF > Makefile
+# This Makefile automatically generated by configure.
+
+CC =	cc
+CFLAGS =	-g -O2 -I. -D_GNU_SOURCE
+
+PREFIX =	/usr/local
+MANDIR =	/usr/local/man
+
+PROG =	ed
+OBJS =	buf.o glbl.o io.o main.o re.o sub.o undo.o \
+	regcomp.o regerror.o regexec.o regfree.o \
+	reallocarray.o strlcat.o strlcpy.o
+
+all: ${PROG}
+
+${PROG}: ${OBJS}
+	${CC} ${LDFLAGS} -o ${PROG} ${OBJS}
+
+install:
+	install -d ${DESTDIR}${PREFIX}/bin
+	install -d ${DESTDIR}${MANDIR}/man1
+	install -c -s -m 755 ${PROG} ${DESTDIR}${PREFIX}/bin
+	install -c -m 644 ed.1 ${DESTDIR}${MANDIR}/man1/${PROG}.1
+
+test:
+	@echo "No tests"
+
+clean:
+	rm -f ${PROG} ${OBJS}
+
+distclean: clean
+	rm -f Makefile config.h
+EOF
+	cat <<\EOF > config.h
+/* This file automatically generated by configure.  */
+
+extern void *reallocarray(void *, size_t, size_t);
+extern size_t strlcat(char *, const char *, size_t);
+extern size_t strlcpy(char *, const char *, size_t);
+EOF
+}
+
+prep() {
+	[ -d oed ] || (fetch)
+	[ -e oed/Makefile ] || (configure)
+	cd oed
+}
+
+case $1 in
+	install) (prep; make; make install "PREFIX=$PREFIX" "MANDIR=$PREFIX/man/") ;;
+	clean)   (prep; make clean) ;;
+	*)       echo "usage: $0 install|clean"; false ;;
+esac
diff --git a/src/user/app/init/init.c b/src/user/app/init/init.c
index 9c3fa39..09ab257 100644
--- a/src/user/app/init/init.c
+++ b/src/user/app/init/init.c
@@ -44,6 +44,7 @@ int main(void) {
 		fs_union((const char*[]){
 			"/init/bin/amd64/",
 			"/init/bin/sh/",
+			"/init/usr/bin/",
 			NULL
 		});
 	}
-- 
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