[gnome-build-meta/valentindavid/eos-installer: 2/12] Add first boot script to resize root filesystem

[Valentin David <valentindavid src gnome org>]

commit 68841de9dd3b36edbcf0ef0fafce1b701d384d2e
Author: Valentin David <valentin david codethink co uk>
Date:   Wed Feb 26 11:25:34 2020 +0100

    Add first boot script to resize root filesystem
    
    If the partition has been reallocated during initramfs boot, then this
    resizes the root filesystem to use the whole partition.

 elements/vm/deps.bst                     |  1 +
 elements/vm/resize-root.bst              | 23 +++++++++++++++++++++++
 files/vm/resize-root/resize-root.preset  |  1 +
 files/vm/resize-root/resize-root.service | 11 +++++++++++
 4 files changed, 36 insertions(+)
---
diff --git a/elements/vm/deps.bst b/elements/vm/deps.bst
index b38b4235..acda2190 100644
--- a/elements/vm/deps.bst
+++ b/elements/vm/deps.bst
@@ -14,6 +14,7 @@ runtime-depends:
 - vm/plymouth-gnome-theme.bst
 - vm/kbd.bst
 - vm/dev-repo-script.bst
+- vm/resize-root.bst
 
 - freedesktop-sdk.bst:vm/config/pulseaudio.bst
 - freedesktop-sdk.bst:vm/config/sudo.bst
diff --git a/elements/vm/resize-root.bst b/elements/vm/resize-root.bst
new file mode 100644
index 00000000..d777ac98
--- /dev/null
+++ b/elements/vm/resize-root.bst
@@ -0,0 +1,23 @@
+kind: manual
+
+sources:
+- kind: local
+  path: files/vm/resize-root/resize-root.service
+- kind: local
+  path: files/vm/resize-root/resize-root.preset
+
+depends:
+- freedesktop-sdk.bst:components/systemd.bst
+
+build-depends:
+- freedesktop-sdk.bst:components/pkg-config.bst
+
+config:
+  install-commands:
+  - |
+    unitdir="$(pkg-config --variable=systemdsystemunitdir systemd)"
+    install -Dm644 -t "%{install-root}${unitdir}" resize-root.service
+
+  - |
+    presetdir="$(pkg-config --variable=systemdsystempresetdir systemd)"
+    install -Dm644 -t "%{install-root}${presetdir}" resize-root.preset
diff --git a/files/vm/resize-root/resize-root.preset b/files/vm/resize-root/resize-root.preset
new file mode 100644
index 00000000..f0a1b5cf
--- /dev/null
+++ b/files/vm/resize-root/resize-root.preset
@@ -0,0 +1 @@
+enable resize-root.service
diff --git a/files/vm/resize-root/resize-root.service b/files/vm/resize-root/resize-root.service
new file mode 100644
index 00000000..c456f3ac
--- /dev/null
+++ b/files/vm/resize-root/resize-root.service
@@ -0,0 +1,11 @@
+[Unit]
+Description=Resize root filesystem
+ConditionFirstBoot=yes
+After=sysinit.target local-fs.target
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/resize2fs /dev/gpt-auto-root
+
+[Install]
+WantedBy=multi-user.target