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better document the TMPDIR env var

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Johannes Schauer Marin Rodrigues 2021-03-08 19:33:51 +01:00
parent 4cd69d444a
commit 4c17f36072
Signed by untrusted user: josch
GPG key ID: F2CBA5C78FBD83E1
1 changed files with 5 additions and 1 deletions
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@ -6470,7 +6470,7 @@ argument. Otherwise, I<command> is executed under I<sh> and the chroot
directory can be accessed via I<$1>. All environment variables set by
B<mmdebstrap> (like C<APT_CONFIG>, C<DEBIAN_FRONTEND>, C<LC_ALL> and C<PATH>)
are preserved. All environment variables set by the user are preserved, except
for C<TMPDIR> which is cleared.
for C<TMPDIR> which is cleared. See section B<TMPDIR>.
The paths inside the chroot are relative to the root directory of the chroot.
The path on the outside is relative to current directory of the original
@ -6844,6 +6844,10 @@ before the tarball is packed. The location of that temporary directory will be
in F</tmp> or the location pointed to by C<TMPDIR> if that environment variable
is set.
Since C<TMPDIR> is only valid outside the chroot, the variable is being unset
when running hook scripts. If you need a valid temporary directory in a hook,
consider using F</tmp> inside your target directory.
=back
=head1 DEBOOTSTRAP