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# Save the current directory in the stack of most recently used directories.
emulate -L zsh
setopt extendedglob
local -aU reply
integer changed
autoload -Uz chpwd_recent_filehandler chpwd_recent_add
# Don't save if this is not interactive, or is in a subshell.
# Don't save if this is not being called directly from the top level
# of the shell via a straightforward sequence of shell functions.
# So this is called
# - on any straightforward cd or pushd (including AUTO_CD)
# - any time cd or pushd is called from a function invoked directly
# or indirectly from the command line, e.g. if pushd is a function
# fixing the order of directories that got broken years ago
# but it is not called any time
# - the shell is not interactive
# - we forked
# - we are being eval'd, including for some special purpose such
# as a style
# - we are not called from the top-level command loop, for example
# we are in a completion function (which is called from zle
# when the main top-level command interpreter isn't running)
# - obviously, when cd -q is in use (that's what the option is for).
#
# For compatibility with older shells, skip this test if $ZSH_EVAL_CONTEXT
# isn't set. This will never be the case inside a shell function when
# the variable is implemented.
if [[ ! -o interactive || $ZSH_SUBSHELL -ne 0 || \
( -n $ZSH_EVAL_CONTEXT && \
$ZSH_EVAL_CONTEXT != toplevel(:[a-z]#func|)# ) ]]; then
return
fi
chpwd_recent_filehandler
if [[ $reply[1] != $PWD ]]; then
if [[ -n $OLDPWD && $reply[1] != $OLDPWD ]]; then
# The first time we change directory we probably don't have
# the initial directory.
chpwd_recent_add $OLDPWD && changed=1
fi
chpwd_recent_add $PWD && changed=1
(( changed )) && chpwd_recent_filehandler $reply
fi
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