Libguestfs - Oct 2010 - [PATCH] Call febootstrap-supermin-helper using the new -u and -g options

Use febootstrap-supermin-helper's new -u and -g command line options to
setuid,
rather than doing it in libguestfs.

This resolves an issue with the generation of the cached appliance checksum. The
checksum was being generated by a call to febootstrap-supermin-helper through
popen(). Unfortunately, a bash misfeature meant that euid would be reset to uid,
and the checksum was generated for uid, not euid. When virt-v2v is writing to a
RHEV target, uid == 0 and euid == 36, which resulted in a cached appliance being
created for root with permissions for uid 36.
---
 src/appliance.c |   51 +++++++++++++++++++++------------------------------
 1 files changed, 21 insertions(+), 30 deletions(-)

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