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106 lines
3.0 KiB
Fish
106 lines
3.0 KiB
Fish
# NAME
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# _prepend_tree - add a dependency tree to fish_function_path
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#
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# SYNOPSIS
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# _prepend_tree [-v --verbose] <path> [<glob>..]
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#
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# DESCRIPTION
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# Search a path tree and prepend directories with fish files. Use a glob
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# list to include or exclude other file extensions. Use -v --verbose to
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# output directories to be added to the path.
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#
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# OPTIONS
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# [-v --verbose]
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# Optional. Print directories that match the glob. Must be the
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# first argument if used.
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#
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# <path>
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# Required. Specify the path to search for glob patterns.
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#
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# [<glob> [<operator> <glob>..]]
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# Glob pattern to match when traversing the path path.
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#
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# OPERATORS
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# [! -not glob]
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# Negates the following glob.
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#
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# [<glob> -o -or <glob>..]
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# Default. Must meet at least one listed criteria.
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#
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# [<glob> [-a -and <glob>..]]
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# Must meet *all* listed criteria.
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#
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# EXAMPLES
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# _prepend_tree $path
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# Match directories in $path containing `.fish` files.
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#
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# _prepend_tree $path \*.fish \*.sh
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# Match directories in $path with either `.fish` OR `.sh` files.
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#
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# _prepend_tree $path \*.fish -a ! _\*.\*
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# Match directories with `.fish` files that do not start with `_`.
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#
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# AUTHORS
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# Jorge Bucaran <jbucaran@me.com>
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#
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# SEE ALSO
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# .oh-my-fish/functions/_prepend_path.fish
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#
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# v.0.2.0
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#/
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function _prepend_tree -d "Add a dependency tree to the Fish path."
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# Match directories with .fish files always.
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set -l glob -name \*.fish
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set -l verbose ""
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# Retrieve first argument, either the path or the -v option.
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set -l path $argv[1]
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if contains -- $path -v --verbose
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set verbose -v
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# Option first, path should be next.
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set path $argv[2]
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end
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# Parse glob options to create the main glob pattern.
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if [ (count $argv) -gt 2 ]
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set -l operator -o
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for option in $argv[3..-1]
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switch $option
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case ! -not
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set operator $operator !
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case -o -or
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set operator -o
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case -a -and
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set operator -a
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case "*"
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if [ operator = ! ]
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set glob $operator $glob
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else
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set glob $glob $operator
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end
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set glob $glob -name $option
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set operator -o # Default
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end
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end
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end
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# Traverse $path prepending only directories with matches. Excludes completions folder.
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test -d $path
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and for dir in (find $path \! -name "completions" -type d)
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# Use head to retrieve at least one match. Skip not found errors
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# for directories that do not exist.
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if [ -z (find "$dir" $glob -maxdepth 1 ^/dev/null | head -1) ]
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continue
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end
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# Print matched directories if the -v option is set.
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if not [ -z $verbose ]
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printf "%s\n" $dir
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end
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# Prepend matched directory to the the global fish function path.
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# Note path duplicates are already handled by _prepend_path.
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_prepend_path $dir -d fish_function_path
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end
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end
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