init: v2 of dot

lib/crates.sh

@@ -0,0 +1,79 @@
+#!/bin/sh
+
+DF_CRATE_STRICT=${DF_CRATE_STRICT:-0}
+
+# crate_validate <crate> <exit_on_invalid>
+# example:
+#   crate_validate $1 1
+#   crate_validate $1 0 || return 1
+crate_validate() {
+    a=$DF_RUNNER_VERBOSE
+    DF_RUNNER_VERBOSE=
+    err=0
+    [ -d "crates/$1" ] || err=1
+    [ -f "crates/$1/apply.sh" ] || err=1
+    [ -f "crates/$1/.invalid" ] && err=1
+    if [ $err = 1 ]; then
+        if [ "${2:-$DF_CRATE_STRICT}" = "1" ]; then
+            echo "$1 is an invalid crate"
+            exit 1
+        else
+            return 1
+        fi
+    fi
+    DF_RUNNER_VERBOSE=$a
+}
+
+in_crate() {
+    crate=$1
+    crate_validate $1 0 || return 1
+    shift
+    DF_RUNNER_WORKDIR="$(pwd)/crates/$crate" ./runner $@
+}
+
+crate_applied() {
+    crate_validate $1 0 || return 1
+    in_crate "$1" [ -f ".installed" ]
+}
+
+crate_has_root_apply() {
+    crate_validate $1 0 || return 1
+    in_crate "$1" [ -f "apply_root.sh" ]
+}
+
+crate_has_root_remove() {
+    crate_validate $1 0 || return 1
+    in_crate "$1" [ -f "remove_root.sh" ]
+}
+
+crate_removable() {
+    crate_validate $1 0 || return 1
+    in_crate "$1" [ -f "remove.sh" ]
+}
+
+crate_info() {
+    if ! crate_validate $1 0; then
+        printf "%s " "!"
+    else
+        if crate_applied $1; then
+            if crate_removable $1; then
+                printf "%s " "+"
+            else
+                printf "%s " "*"
+            fi
+        else
+            printf "%s " "-"
+        fi
+    fi
+    printf "%s " $1
+    crate_removable $1 && printf "[removable] "
+    crate_has_root_apply $1 && printf "[has root apply] "
+    crate_has_root_remove $1 && printf "[has root remove] "
+    printf "\n"
+}
+
+crate_apply() {
+    crate_validate $1 1
+    echo "applying crates/$1..."
+    in_crate $1 sh apply.sh
+}