Cannot fix broken configuration

[bryanlarsen]

Describe the bug

Trying to use ostree config to fix a previous typo to ostree config fails with error: opening repo.

Reproduction steps

❯ sudo ostree config set core.min-free-space-size "3G"
❯ sudo rpm-ostree status
...
     Status: "error: Couldn't start daemon: Error setting up sysroot: Opening sysroot repo: opening repo: Invalid min-free-space-size '3G': It should be of the format '123MB', '123GB' or '123TB'"
...
❯ sudo ostree config set core.min-free-space-size "3GB"
error: opening repo: Invalid min-free-space-size '3G': It should be of the format '123MB', '123GB' or '123TB'

Expected behavior

Should be able to correct mistakes

Actual behavior

❯ sudo ostree config set core.min-free-space-size "3G"
❯ sudo rpm-ostree status
...
     Status: "error: Couldn't start daemon: Error setting up sysroot: Opening sysroot repo: opening repo: Invalid min-free-space-size '3G': It should be of the format '123MB', '123GB' or '123TB'"
...
❯ sudo ostree config set core.min-free-space-size "3GB"
error: opening repo: Invalid min-free-space-size '3G': It should be of the format '123MB', '123GB' or '123TB'

System details

❯ ostree --version
libostree:
 Version: '2024.5'
 Git: 3cfcb44eae70c73b923cbf0eb347a026e00ef543
 Features:
  - inode64
  - initial-var
  - libcurl
  - libsoup3
  - gpgme
  - composefs
  - ex-fsverity
  - libarchive
  - selinux
  - openssl
  - sign-ed25519
  - libmount
  - systemd
  - release
  - p2p

❯ rpm-ostree --version
rpm-ostree:
 Version: '2024.5'
 Git: 4479e824f94b09ec3f6c34f15b08f3813644fff6
 Features:
  - rust
  - compose
  - container
  - fedora-integration

NAME="Fedora Linux"
VERSION="40.20240531.0 (Kinoite)"
ID=fedora
VERSION_ID=40
VERSION_CODENAME=""
PLATFORM_ID="platform:f40"
PRETTY_NAME="Fedora Linux 40.20240531.0 (Bazzite)"
ANSI_COLOR="0;38;2;60;110;180"
LOGO=fedora-logo-icon
CPE_NAME="cpe:/o:fedoraproject:fedora:40"
DEFAULT_HOSTNAME="fedora"
HOME_URL="https://kinoite.fedoraproject.org"
DOCUMENTATION_URL="https://docs.fedoraproject.org/en-US/fedora-kinoite/"
SUPPORT_URL="https://ask.fedoraproject.org/"
BUG_REPORT_URL="https://pagure.io/fedora-kde/SIG/issues"
REDHAT_BUGZILLA_PRODUCT="Fedora"
REDHAT_BUGZILLA_PRODUCT_VERSION=40
REDHAT_SUPPORT_PRODUCT="Fedora"
REDHAT_SUPPORT_PRODUCT_VERSION=40
SUPPORT_END=2025-05-13
VARIANT="Kinoite"
VARIANT_ID=kinoite
OSTREE_VERSION='40.20240531.0'

Additional information

No response

[bryanlarsen]

I can't edit /ostree/repo/config because I'm on an immutable OS.

[bryanlarsen]

fixed with

sudo mount -o remount,rw /dev/nvme0n1p3 /sysroot
sudo vi /ostree/repo/config