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lib/directories: Add cd function, a clone of Zsh cd builtin command

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* Fix, the `~` in the first item of `DIRSTACK` may not be expanded in Cygwin
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This commit is contained in:
Chai Feng
2019-08-26 23:38:02 +08:00
committed by Koichi Murase
parent 0e9f0e7e7c
commit 618aa82460
1 changed files with 26 additions and 0 deletions
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26
lib/directories.sh
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@@ -1,5 +1,30 @@
#! bash oh-my-bash.module
# Common directories functions
# A clone of Zsh `cd` builtin command
function cd() {
declare oldpwd="$OLDPWD"
declare -i index
if [[ "$#" -eq 1 && "$1" == -[1-9]* ]]; then
index="${1#-}"
if [[ "$index" -ge "${#DIRSTACK[@]}" ]]; then
builtin echo "cd: no such entry in dir stack" >&2
return 1
fi
set -- "${DIRSTACK[$index]}"
fi
builtin pushd . >/dev/null &&
OLDPWD="$oldpwd" builtin cd "$@" &&
oldpwd="$OLDPWD" &&
builtin pushd . >/dev/null &&
for ((index="${#DIRSTACK[@]}"-1; index>=1; index--)); do
if [[ "${DIRSTACK[0]/#~/$HOME}" == "${DIRSTACK[$index]}" ]]; then
builtin popd "+$index" >/dev/null || return 1
fi
done
OLDPWD="$oldpwd"
}
_omb_util_alias cd..='cd ../' # Go back 1 directory level (for fast typers)
_omb_util_alias ..='cd ../' # Go back 1 directory level
_omb_util_alias ...='cd ../../' # Go back 2 directory levels
@@ -22,6 +47,7 @@ _omb_util_alias 9='cd -9'
_omb_util_alias md='mkdir -p'
_omb_util_alias rd='rmdir'
_omb_util_alias d='dirs -v | head -10'
_omb_util_alias po=popd
# List directory contents
_omb_util_alias lsa='ls -lha'