added function envs to show git config list

README.md

@@ -62,6 +62,7 @@ takes one of the following arguments or flags
 | -s,search    | search issues in any repository           | interactive prompt: follow instructions
 | -m,myissue   | search issues you opened somewhere        | interactive prompt: follow instructions
 | -k,pick      | cherrypick files between branches         | enter: checkout cherrypicked files from branch
+| -e,envs      | show git config list                      | enter: print selected config variable
 | -h,help      | show help page                            |
 | -V,version   | print the current version                 |
 

gh-f

@@ -25,6 +25,7 @@ COMMANDS
   -s|search: search issues in any repository
   -m|myissue: search issues you opened somewhere
   -k|pick: cherrypick files from one branch to the other
+  -e|envs: show git config list
   -h|help: show this help message
   -V|version: show the current version
 
@@ -86,6 +87,11 @@ USAGE
 	multi-file selection with tab
 	enter: confirm branch and pick files
 
+  gh f -e | gh f envs
+
+  	show git config --list of environment variables
+	for the current git project
+
 CUSTOMISATION
 
   The prompt colours are defined via their ANSI sequences: if you like different ones you
@@ -333,6 +339,11 @@ pick() {
 	[[ -n ${files} ]] && git restore --source "${from_branch}" ${files}
 }
 
+envs() {
+	config_var=$(git config --list | cut -d= -f1 | fzf -d' ' --prompt 'config list:' --preview='git config {}')
+	[[ -n "$config_var" ]] && git config "$config_var"
+}
+
 # print help page
 [[ "$#" -eq 0 ]] && help
 
@@ -384,6 +395,10 @@ while [[ "$#" -gt 0 ]]; do
 		pick
 		shift
 		;;
+	-e | envs)
+		envs
+		shift
+		;;
 	-V | version)
 		echo "$VERSION"
 		shift