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squash: fix and simplify required_in_root 

If required target is a symbol link, create the link then following the
link. If it's a directory, create new directory, else just move it.

Signed-off-by: Kairui Song <kasong@redhat.com>
master
Kairui Song 2019-03-11 19:46:19 +08:00 committed by Harald Hoyer
parent ab703f44b4
commit f6bbd024d9
1 changed files with 19 additions and 23 deletions
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42
dracut.sh
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@ -1811,30 +1811,26 @@ if dracut_module_included "squash"; then
required_in_root $(dirname $file)
fi

if [[ -d $_sqsh_file ]]; then
if [[ -L $_sqsh_file ]]; then
cp --preserve=all -P $_sqsh_file $_init_file
else
mkdir $_init_file
fi
if [[ -L $_sqsh_file ]]; then
cp --preserve=all -P $_sqsh_file $_init_file
_sqsh_file=$(realpath $_sqsh_file 2>/dev/null)
if [[ -e $_sqsh_file ]] && [[ "$_sqsh_file" == "$squash_dir"* ]]; then
# Relative symlink
required_in_root ${_sqsh_file#$squash_dir/}
return
fi
if [[ -e $squash_dir$_sqsh_file ]]; then
# Absolute symlink
required_in_root ${_sqsh_file#/}
return
fi
required_in_root ${module_spec#$squash_dir/}
else
if [[ -L $_sqsh_file ]]; then
cp --preserve=all -P $_sqsh_file $_init_file
_sqsh_file=$(realpath $_sqsh_file 2>/dev/null)
if [[ -e $_sqsh_file ]] && [[ "$_sqsh_file" == "$squash_dir"* ]]; then
# Relative symlink
required_in_root ${_sqsh_file#$squash_dir/}
return
fi
if [[ -e $squash_dir$_sqsh_file ]]; then
# Absolute symlink
required_in_root ${_sqsh_file#/}
return
fi
required_in_root ${module_spec#$squash_dir/}
else
mv $_sqsh_file $_init_file
fi
if [[ -d $_sqsh_file ]]; then
mkdir $_init_file
else
mv $_sqsh_file $_init_file
fi
fi
}