On Friday, September 11, 2026 at 4:19:31 PM UTC+5:30 Jan Kiszka wrote:

On 11.09.26 12:16, srinuvasan.a via isar-users wrote: 
> From: Srinuvasan A <srinuv...@siemens.com> 
> 
> ROOTFS_MOUNTS inner paths are absolute, e.g. /isar-apt and 
> /isar-work. insert_isar_umounts added another slash between ROOTFSDIR 
> and the inner path, producing paths like rootfs//isar-apt in the 
> expanded rootfs_do_umounts_priv task. 
> 
> Strip the leading slash from the inner mount path when building the 
> mountpoint, matching the logic already used by insert_isar_mounts. 
> 
> Logs: 
> mountpoint -q 
/work/build/tmp/work/debian-trixie-amd64/isar-image-base-qemuamd64/1.0-r0/rootfs//isar-apt 
&& 
> umount 
/work/build/tmp/work/debian-trixie-amd64/isar-image-base-qemuamd64/1.0-r0/rootfs//isar-apt 

> 
> mountpoint -q 
/work/build/tmp/work/debian-trixie-amd64/isar-image-base-qemuamd64/1.0-r0/rootfs//isar-work 
&& 
> umount 
/work/build/tmp/work/debian-trixie-amd64/isar-image-base-qemuamd64/1.0-r0/rootfs//isar-work 

> 
> Signed-off-by: Srinuvasan A <srinuv...@siemens.com> 
> --- 
> meta/classes-global/base.bbclass | 2 +- 
> 1 file changed, 1 insertion(+), 1 deletion(-) 
> 
> diff --git a/meta/classes-global/base.bbclass 
b/meta/classes-global/base.bbclass 
> index 8f81ab70..be663fe7 100644 
> --- a/meta/classes-global/base.bbclass 
> +++ b/meta/classes-global/base.bbclass 
> @@ -432,7 +432,7 @@ def insert_isar_umounts(d, rootfs, mounts): 
> 
> for m in mounts.split(): 
> host, inner = m.split(':') if ':' in m else (m, m) 
> - mp = '{}/{}'.format(rootfs, inner) 
> + mp = '{}/{}'.format(rootfs, inner[1:]) 

This looks fragile. Why not strip off '/', rather than blindly cutting 
the last char? 

Jan


  Thanks for the comments,

  Here, inner[1:] strips the leading /, as we always assume the paths in 
ROOTFS_MOUNTS are absolute.

  For example:
  ROOTFS_MOUNTS ??= "${REPO_ISAR_DIR}/${DISTRO}:/isar-apt 
${WORKDIR}:/isar-work"

  This also follows the same pattern already used by insert_isar_mounts.

  Many thanks,

  Srinu



> lines.append('mountpoint -q {} && umount {}'.format(mp, mp)) 
> lines.append('[ -d {} ] && rmdir --ignore-fail-on-non-empty 
{}'.format(mp, mp)) 
> return '\n'.join(lines) 

-- 
Siemens AG, Foundational Technologies 
Linux Expert Center 

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