fish and more

.config/fish/conf.d/_pure_init.fish

@@ -0,0 +1,40 @@
+# Deactivate the default virtualenv prompt so that we can add our own
+set --global --export VIRTUAL_ENV_DISABLE_PROMPT 1
+
+# Whether or not is a fresh session
+set --global _pure_fresh_session true
+
+# Register `_pure_prompt_new_line` as an event handler fot `fish_prompt`
+functions --query _pure_prompt_new_line
+
+function _pure_uninstall --on-event pure_uninstall
+    rm -f $__fish_config_dir/conf.d/pure.fish
+
+    # backup fish_prompt and fish_title to default
+    cp $__fish_config_dir/functions/fish_prompt{,.pure-backup}.fish
+    cp $__fish_config_dir/functions/fish_title{,.pure-backup}.fish
+
+    # erase existing fish_prompt and fish_title to default
+    functions --erase fish_prompt
+    functions --erase fish_title
+    # restore fish_prompt and fish_title to default
+    cp {$__fish_data_dir,$__fish_config_dir}/functions/fish_prompt.fish
+    cp {$__fish_data_dir,$__fish_config_dir}/functions/fish_title.fish
+
+    # refresh fish_prompt and fish_title definitions
+    source $__fish_data_dir/functions/fish_prompt.fish
+    source $__fish_data_dir/functions/fish_title.fish
+
+    # erase _pure* variables
+    set --names \
+        | string replace --filter --regex '(^_?pure)' 'set --erase $1' \
+        | source
+    # erase _pure* functions
+    functions --names --all \
+        | string replace --filter --regex '(^_?pure)' 'functions --erase $1' \
+        | source
+    # delete _pure* files
+    for file in $__fish_config_dir/{functions,conf.d}/_pure_*
+        rm -f $file
+    end
+end