invoke bash via /usr/bin/env for portability

bin/git-archive-file

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # extract current branch name
 BRANCH=$(git name-rev HEAD 2> /dev/null | awk "{ print \$2 }")
@@ -31,4 +31,4 @@ OUTPUT=$(pwd)/$FILENAME
 git archive --format zip --output $OUTPUT $BRANCH
 
 # also display size of the resulting file
-echo Saved to \"$FILENAME\" \(`du -h $OUTPUT | cut -f1`\)
+echo Saved to \"$FILENAME\" \(`du -h $OUTPUT | cut -f1`\)

bin/git-effort

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 tmp=/tmp/.git-effort
 above='0'

bin/git-ignore

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 function show_contents {
   test -f "$2" && echo "$1 gitignore: $2" && cat "$2"

bin/git-line-summary

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 project=${PWD##*/}
 

bin/git-repl

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 while true; do
   # Current branch