hst/fs: implement overlay fstype
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This finally exposes overlay mounts in the high level hakurei API.

Signed-off-by: Ophestra <cat@gensokyo.uk>
This commit is contained in:
2025-08-15 03:30:51 +09:00
parent 4433c993fa
commit 9ed3ba85ea
12 changed files with 253 additions and 3 deletions

View File

@@ -49,6 +49,7 @@ func Test_printShowInstance(t *testing.T) {
Filesystem
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
*/run/current-system
*/run/opengl-driver
@@ -127,6 +128,7 @@ App
Filesystem
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
*/run/current-system
*/run/opengl-driver
@@ -278,6 +280,15 @@ App
"write": true,
"perm": 493
},
{
"type": "overlay",
"dst": "/nix/store",
"lower": [
"/mnt-root/nix/.ro-store"
],
"upper": "/mnt-root/nix/.rw-store/upper",
"work": "/mnt-root/nix/.rw-store/work"
},
{
"type": "bind",
"src": "/nix/store"
@@ -413,6 +424,15 @@ App
"write": true,
"perm": 493
},
{
"type": "overlay",
"dst": "/nix/store",
"lower": [
"/mnt-root/nix/.ro-store"
],
"upper": "/mnt-root/nix/.rw-store/upper",
"work": "/mnt-root/nix/.rw-store/work"
},
{
"type": "bind",
"src": "/nix/store"
@@ -602,6 +622,15 @@ func Test_printPs(t *testing.T) {
"write": true,
"perm": 493
},
{
"type": "overlay",
"dst": "/nix/store",
"lower": [
"/mnt-root/nix/.ro-store"
],
"upper": "/mnt-root/nix/.rw-store/upper",
"work": "/mnt-root/nix/.rw-store/work"
},
{
"type": "bind",
"src": "/nix/store"