hst/config: remove container etc field

This no longer needs special treatment since it can be specified as a generic filesystem entry.

Signed-off-by: Ophestra <cat@gensokyo.uk>

cmd/hakurei/print.go

@@ -12,7 +12,6 @@ import (
 	"text/tabwriter"
 	"time"
 
-	"hakurei.app/container"
 	"hakurei.app/hst"
 	"hakurei.app/internal/app/state"
 	"hakurei.app/internal/hlog"
@@ -104,18 +103,11 @@ func printShowInstance(
 		writeFlag("tty", params.Tty)
 		writeFlag("mapuid", params.MapRealUID)
 		writeFlag("directwl", config.DirectWayland)
-		writeFlag("autoetc", params.AutoEtc)
 		if len(flags) == 0 {
 			flags = append(flags, "none")
 		}
 		t.Printf(" Flags:\t%s\n", strings.Join(flags, " "))
 
-		etc := params.Etc
-		if etc == nil {
-			etc = container.AbsFHSEtc
-		}
-		t.Printf(" Etc:\t%s\n", etc)
-
 		if config.Path != nil {
 			t.Printf(" Path:\t%s\n", config.Path)
 		}

cmd/hakurei/print_test.go

@@ -41,13 +41,13 @@ func Test_printShowInstance(t *testing.T) {
  Groups:         video, dialout, plugdev
  Data:           /var/lib/hakurei/u0/org.chromium.Chromium
  Hostname:       localhost
- Flags:          userns devel net abstract device tty mapuid autoetc
- Etc:            /etc/
+ Flags:          userns devel net abstract device tty mapuid
  Path:           /run/current-system/sw/bin/chromium
  Arguments:      chromium --ignore-gpu-blocklist --disable-smooth-scrolling --enable-features=UseOzonePlatform --ozone-platform=wayland
 
 Filesystem
  autoroot:w:/var/lib/hakurei/base/org.debian
+ autoetc:/etc/
  w+ephemeral(-rwxr-xr-x):/tmp/
  w*/nix/store:/mnt-root/nix/.rw-store/upper:/mnt-root/nix/.rw-store/work:/mnt-root/nix/.ro-store
  */nix/store
@@ -83,14 +83,12 @@ App
  Identity:       0
  Enablements:    (no enablements)
  Flags:          none
- Etc:            /etc/
 
 `},
 		{"config nil entries", nil, &hst.Config{Container: &hst.ContainerConfig{Filesystem: make([]hst.FilesystemConfigJSON, 1)}, ExtraPerms: make([]*hst.ExtraPermConfig, 1)}, false, false, `App
  Identity:       0
  Enablements:    (no enablements)
  Flags:          none
- Etc:            /etc/
 
 Filesystem
  <invalid>
@@ -120,13 +118,13 @@ App
  Groups:         video, dialout, plugdev
  Data:           /var/lib/hakurei/u0/org.chromium.Chromium
  Hostname:       localhost
- Flags:          userns devel net abstract device tty mapuid autoetc
- Etc:            /etc/
+ Flags:          userns devel net abstract device tty mapuid
  Path:           /run/current-system/sw/bin/chromium
  Arguments:      chromium --ignore-gpu-blocklist --disable-smooth-scrolling --enable-features=UseOzonePlatform --ozone-platform=wayland
 
 Filesystem
  autoroot:w:/var/lib/hakurei/base/org.debian
+ autoetc:/etc/
  w+ephemeral(-rwxr-xr-x):/tmp/
  w*/nix/store:/mnt-root/nix/.rw-store/upper:/mnt-root/nix/.rw-store/work:/mnt-root/nix/.ro-store
  */nix/store
@@ -286,6 +284,12 @@ App
           "write": true,
           "special": true
         },
+        {
+          "type": "bind",
+          "dst": "/etc/",
+          "src": "/etc/",
+          "special": true
+        },
         {
           "type": "ephemeral",
           "dst": "/tmp/",
@@ -331,9 +335,7 @@ App
           "target": "/run/user/65534",
           "linkname": "/run/user/150"
         }
-      ],
-      "etc": "/etc/",
-      "auto_etc": true
+      ]
     }
   },
   "time": "1970-01-01T00:00:00.000000009Z"
@@ -440,6 +442,12 @@ App
         "write": true,
         "special": true
       },
+      {
+        "type": "bind",
+        "dst": "/etc/",
+        "src": "/etc/",
+        "special": true
+      },
       {
         "type": "ephemeral",
         "dst": "/tmp/",
@@ -485,9 +493,7 @@ App
         "target": "/run/user/65534",
         "linkname": "/run/user/150"
       }
-    ],
-    "etc": "/etc/",
-    "auto_etc": true
+    ]
   }
 }
 `},
@@ -648,6 +654,12 @@ func Test_printPs(t *testing.T) {
             "write": true,
             "special": true
           },
+          {
+            "type": "bind",
+            "dst": "/etc/",
+            "src": "/etc/",
+            "special": true
+          },
           {
             "type": "ephemeral",
             "dst": "/tmp/",
@@ -693,9 +705,7 @@ func Test_printPs(t *testing.T) {
             "target": "/run/user/65534",
             "linkname": "/run/user/150"
           }
-        ],
-        "etc": "/etc/",
-        "auto_etc": true
+        ]
       }
     },
     "time": "1970-01-01T00:00:00.000000009Z"

cmd/hpkg/app.go

@@ -94,6 +94,7 @@ func (app *appInfo) toHst(pathSet *appPathSet, pathname *container.Absolute, arg
 			Tty:          app.Tty || flagDropShell,
 			MapRealUID:   app.MapRealUID,
 			Filesystem: []hst.FilesystemConfigJSON{
+				{FilesystemConfig: &hst.FSBind{Target: container.AbsFHSEtc, Source: pathSet.cacheDir.Append("etc"), Special: true}},
 				{FilesystemConfig: &hst.FSBind{Source: pathSet.nixPath.Append("store"), Target: pathNixStore}},
 				{FilesystemConfig: &hst.FSBind{Source: pathSet.metaPath, Target: hst.AbsTmp.Append("app")}},
 				{FilesystemConfig: &hst.FSBind{Source: container.AbsFHSEtc.Append("resolv.conf"), Optional: true}},
@@ -108,8 +109,6 @@ func (app *appInfo) toHst(pathSet *appPathSet, pathname *container.Absolute, arg
 				{pathBin, pathSwBin.String()},
 				{container.AbsFHSUsrBin, pathSwBin.String()},
 			},
-			Etc:     pathSet.cacheDir.Append("etc"),
-			AutoEtc: true,
 		},
 		ExtraPerms: []*hst.ExtraPermConfig{
 			{Path: dataHome, Execute: true},

cmd/hpkg/with.go

@@ -49,6 +49,7 @@ func withNixDaemon(
 			SeccompFlags: seccomp.AllowMultiarch,
 			Tty:          dropShell,
 			Filesystem: []hst.FilesystemConfigJSON{
+				{FilesystemConfig: &hst.FSBind{Target: container.AbsFHSEtc, Source: pathSet.cacheDir.Append("etc"), Special: true}},
 				{FilesystemConfig: &hst.FSBind{Source: pathSet.nixPath, Target: pathNix, Write: true}},
 			},
 			Link: []hst.LinkConfig{
@@ -56,8 +57,6 @@ func withNixDaemon(
 				{pathBin, pathSwBin.String()},
 				{container.AbsFHSUsrBin, pathSwBin.String()},
 			},
-			Etc:     pathSet.cacheDir.Append("etc"),
-			AutoEtc: true,
 		},
 	}), dropShell, beforeFail)
 }
@@ -89,6 +88,7 @@ func withCacheDir(
 			SeccompFlags: seccomp.AllowMultiarch,
 			Tty:          dropShell,
 			Filesystem: []hst.FilesystemConfigJSON{
+				{FilesystemConfig: &hst.FSBind{Target: container.AbsFHSEtc, Source: workDir.Append(container.FHSEtc), Special: true}},
 				{FilesystemConfig: &hst.FSBind{Source: workDir.Append("nix"), Target: pathNix}},
 				{FilesystemConfig: &hst.FSBind{Source: workDir, Target: hst.AbsTmp.Append("bundle")}},
 			},
@@ -97,8 +97,6 @@ func withCacheDir(
 				{pathBin, pathSwBin.String()},
 				{container.AbsFHSUsrBin, pathSwBin.String()},
 			},
-			Etc:     workDir.Append(container.FHSEtc),
-			AutoEtc: true,
 		},
 	}, dropShell, beforeFail)
 }