Merge pull request #103 from tripleplus/jump-plugin

Jump plugin

plugins/jump/README.md

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+jump
+====
+
+A port of [Jeroen Janssens' "jump" utility] [1] to the fish shell (and [Oh My Fish!] [2]).
+
+[1]: http://jeroenjanssens.com/2013/08/16/quickly-navigate-your-filesystem-from-the-command-line.html
+[2]: https://github.com/bpinto/oh-my-fish

plugins/jump/jump.fish

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+function jump
+  if test (count $argv) -ne 1
+    echo "Usage: jump <MARK_NAME>"
+  else
+    if test -d $MARKPATH/$argv[1] -a -L $MARKPATH/$argv[1]
+      cd $MARKPATH/$argv[1]
+    else
+      echo "No such mark: $argv[1]"
+    end
+  end
+end

plugins/jump/jump.load

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+set -gx MARKPATH $HOME/.marks
+command mkdir -p $MARKPATH

plugins/jump/mark.fish

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+function mark
+  if test (count $argv) -eq 0 -o (count $argv) -gt 2
+    echo "Usage: mark <MARK_NAME> [DIRECTORY]"
+  else if test -e $MARKPATH/$argv[1]
+    if test -d $MARKPATH/$argv[1] -a -L $MARKPATH/$argv[1]
+      echo "A mark named $argv[1] already exists."
+    else
+      echo "$MARKPATH/$argv[1] already exists."
+    end
+  else if test (count $argv) -eq 1
+    command ln -s (pwd) $MARKPATH/$argv[1]
+  else if test (count $argv) -eq 2
+    if test -d $argv[2]
+      set -l current_dir (pwd)
+      cd $argv[2]
+      command ln -s (pwd) $MARKPATH/$argv[1]
+      cd $current_dir
+    else
+      echo "$argv[2] is not a valid directory."
+    end
+  end
+end

plugins/jump/marks.fish

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+function marks
+  if test (count $argv) -gt 0
+    echo "Usage: marks"
+  else
+    set -l file_list (command ls $MARKPATH)
+    if test (count $file_list) -eq 0
+      echo "No marks currently defined."
+    else
+      set -l mark_list
+      for file in $file_list
+        if test -d $MARKPATH/$file -a -L $MARKPATH/$file
+          set mark_list $mark_list $file
+        end
+      end
+      if test (count $mark_list) -eq 0
+        echo "No marks currently defined."
+      else
+        set -l current_dir (pwd)
+        for mark_name in $mark_list
+          cd $MARKPATH/$mark_name
+          set -l real_path (pwd)
+          echo "$mark_name -> $real_path"
+        end
+        cd $current_dir
+      end
+    end
+  end
+end

plugins/jump/unmark.fish

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+function unmark
+  if test (count $argv) -eq 0
+    echo "Usage: unmark <MARK_NAME>..."
+  else
+    for mark_name in $argv
+      if test -d $MARKPATH/$mark_name -a -L $MARKPATH/$mark_name
+        command rm -i $MARKPATH/$mark_name
+      else
+        echo "No such mark: $mark_name"
+      end
+    end
+  end
+end