dotfiles/zshrc: add cdt and sll functions from sll

1 files changed, 61 insertions, 0 deletions

diff --git a/dotfiles/zshrc b/dotfiles/zshrc
index 553bfe1..35026f3 100644
--- a/dotfiles/zshrc
+++ b/dotfiles/zshrc
@@ -213,6 +213,67 @@ function ssht
 
 compdef ssht=ssh
 
+# From GRML
+
+function cdt {
+    builtin cd "$(mktemp -d)"
+    builtin pwd
+}
+
+zmodload -a zsh/stat zstat
+
+function sll {
+    if [[ -z ${1} ]] ; then
+        printf 'Usage: %s <symlink(s)>\n' "${0}"
+        return 1
+    fi
+
+    local file jumpd curdir
+    local -i 10 RTN LINODE i
+    local -a    SEENINODES
+    curdir="${PWD}"
+    RTN=0
+
+    for file in "${@}" ; do
+        SEENINODES=()
+        ls -l "${file:a}"   || RTN=1
+
+        while [[ -h "$file" ]] ; do
+                        LINODE=$(zstat -L +inode "${file}")
+                        for i in ${SEENINODES} ; do
+                                if (( ${i} == ${LINODE} )) ; then
+                                        builtin cd -q "${curdir}"
+                                        print 'link loop detected, aborting!'
+                                        return 2
+                                fi
+                        done
+                        SEENINODES+=${LINODE}
+            jumpd="${file:h}"
+            file="${file:t}"
+
+            if [[ -d ${jumpd} ]] ; then
+                builtin cd -q "${jumpd}"  || RTN=1
+            fi
+            file=$(readlink "$file")
+
+            jumpd="${file:h}"
+            file="${file:t}"
+
+            if [[ -d ${jumpd} ]] ; then
+                builtin cd -q "${jumpd}"  || RTN=1
+            fi
+
+            ls -l "${PWD}/${file}"     || RTN=1
+        done
+        shift 1
+        if (( ${#} >= 1 )) ; then
+            print ""
+        fi
+        builtin cd -q "${curdir}"
+    done
+    return ${RTN}
+}
+
 # }}}
 
 # Abbreviations {{{