wip: Initial idea

5 files changed, 192 insertions, 0 deletions

diff --git a/UniConfX.sh b/UniConfX.sh
new file mode 100755
index 0000000..0ccb9d0
--- /dev/null
+++ b/UniConfX.sh
@@ -0,0 +1,140 @@
+#!/bin/sh
+
+: ${UCX_PATH:=$(pwd)/std}
+export UCX_PATH
+
+case "$1" in
+	(help)
+		echo "UniConfX.sh ACTION FILE"
+		exit 0
+esac
+
+UCX_FILE="$(realpath $2)"
+
+# 0) Prepare work directory
+WORKDIR="/tmp/ucx_$$"
+mkdir -p "$WORKDIR/execution/usr/share/bin"
+cp Xpath "$WORKDIR/execution/usr/share/bin"
+export PATH="$PATH:$WORKDIR/execution/usr/share/bin"
+cd "$WORKDIR/execution"
+
+# cp -L /bin/sh /usr/bin/env $(command -v find) $(command -v awk) ./bin
+# cp -L $(command -v git) $(command -v git-receive-pack) $(command -v git-shell) $(command -v git-upload-archive) $(command -v git-upload-pack) $(command -v git-http-backend) ./bin
+# cp -rL /lib /lib64 .
+#
+# if command -v ldd >/dev/null 2>&1
+# then
+# 	while read -r f
+# 	do
+# 		deps="$(ldd "./$f" 2>/dev/null | awk '$3~/\/lib\//{print$3}')"
+# 		[ -n "$deps" ] && cp -Lf $deps ./lib
+# 		deps="$(ldd "./$f" 2>/dev/null | awk '$3~/\/lib64\//{print$3}')"
+# 		[ -n "$deps" ] && cp -Lf $deps ./lib64
+# 	done <<LIBS
+# $(find . -type f)
+# LIBS
+# fi
+# if command -v patchelf >/dev/null 2>&1
+# then
+# 	while read -r f
+# 	do
+# 		chmod +w $f
+# 		patchelf --set-interpreter /lib64/ld-linux-x86-64.so.2 "$f" 2>/dev/null || continue
+# 		patchelf --set-rpath /lib:/lib64 "$f" 2>/dev/null || continue
+# 	done <<LIBS
+# $(find ./bin ./lib -type f)
+# LIBS
+# fi
+if command -v mount >/dev/null 2>&1
+then
+	mkdir bin
+	sudo mount --bind /run/current-system/sw/bin ./bin
+	mkdir lib
+	sudo mount --bind /lib ./lib
+	mkdir lib64
+	sudo mount --bind /lib64 ./lib64
+	mkdir dev
+	sudo mount --bind /dev ./dev
+fi
+
+cd "$WORKDIR"
+echo $WORKDIR
+
+safe_exit() {
+	chmod -R +w ./execution/bin
+	rm -rf "$WORKDIR"
+	exit "$1"
+}
+
+REG_NAME='/^[ \t\v]*name[ \t\v]*:=[ \t\v]*/'
+REG_IMPORT='/^[ \t\v]*import[ \t\v]*:=[ \t\v]*/'
+
+# 0) Get name
+export SELF=$(awk '
+	match($0, '"$REG_NAME"') {
+		name = substr($0, RSTART + RLENGTH)
+	}
+	END {
+		print name
+	}
+' "$UCX_FILE")
+
+# 1) Emplace includes
+cp "$UCX_FILE" "$SELF.ucx"
+until awk '
+		BEGIN {
+			status = 0
+			while ((getline < ARGV[1]) > 0) {
+				if (match($0, '"$REG_IMPORT"')) {
+					status = 1
+					"Xpath " substr($0, RSTART + RLENGTH) | getline imf
+					while ((getline < imf) > 0) {
+						if ($0 !~ '"$REG_NAME"')
+							print
+					}
+					close(imf)
+				}
+				else
+					print
+			}
+			close(ARGV[1])
+			exit status
+		}
+	' "$SELF.ucx" > temp.ucx
+do
+	mv temp.ucx "$SELF.ucx"
+done
+rm temp.ucx
+
+# 3) Hash
+UCX_HASH="$(cksum "$SELF.ucx" | awk '{print$1}')"
+
+case "$1" in
+	(hash)
+		echo "$UCX_HASH"
+		safe_exit 0
+		;;
+esac
+
+# 3) Split into components
+mkdir -p ./execution/sections/
+awk '
+	/^#-- / {
+		section = substr($0, 5)
+		if (outf != "")
+			close(outf)
+		outf = "./execution/sections/" ENVIRON["SELF"] "_" section ".ucxs"
+		next
+	}
+	outf != "" {
+		print > outf
+	}
+' "$SELF.ucx"
+
+# 4) Execute
+sudo chroot ./execution /bin/env -i PATH="$PATH:/usr/share/bin" SELF="$SELF" /bin/sh "/sections/${SELF}_do.ucxs" || exit 1
+echo $?
+
+# 5) Install
+
+safe_exit 0
diff --git a/Xpath b/Xpath
new file mode 100755
index 0000000..ee349f4
--- /dev/null
+++ b/Xpath
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+case "$1" in
+	(*.*)
+		f="$(find / -type f -name "$(echo "$1.ucxs" | awk '{sub(/\./,"_");print}')")"
+		[ -f "$f" ] && echo "$f"
+		;;
+	(*)
+		while read -r dir
+		do
+			find "$dir" -type f -name "$1.ucx" && break
+		done <<PATH
+$(echo "$UCX_PATH" | awk '{gsub(/:/,ORS);print}')
+PATH
+esac
diff --git a/std/builder/builder.ucx b/std/builder/builder.ucx
new file mode 100644
index 0000000..b5e00b0
--- /dev/null
+++ b/std/builder/builder.ucx
@@ -0,0 +1,25 @@
+name := builder
+#-- do
+if [ -f "$(Xpath $SELF.src)" ]
+then
+	while read -r src
+	do
+		case "$src" in
+			(*.git|git:*) git clone $src ;;
+			(*) wget $src
+		esac
+	done <"$(Xpath $SELF.src)"
+fi
+if [ -f "$(Xpath $SELF.build)" ]
+then
+	/bin/sh $(Xpath $SELF.build)
+else
+	make
+fi
+if [ -f "$(Xpath $SELF.install)" ]
+then
+	/bin/sh $(Xpath $SELF.install)
+else
+	mkdir /out
+	PREFIX=/out make install
+fi
diff --git a/std/builder/builder_rust.ucx b/std/builder/builder_rust.ucx
new file mode 100644
index 0000000..3cc5f76
--- /dev/null
+++ b/std/builder/builder_rust.ucx
@@ -0,0 +1,6 @@
+name := builder_rust
+import := builder
+#-- build
+cargo build
+#-- install
+cargo install
diff --git a/test.ucx b/test.ucx
new file mode 100644
index 0000000..bef85aa
--- /dev/null
+++ b/test.ucx
@@ -0,0 +1,6 @@
+name := b
+import := builder_rust
+#-- src
+https://github.com/meta-rust/rust-hello-world.git
+#-- patch
+changes.patch