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February 14, 2020 00:15
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Git Diff List - A tool for looking at git diffs without typing in long file paths
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#!/bin/bash | |
## This script makes it so that you don't have to type | |
## long file paths into `git diff` anymore. | |
## | |
## Add this script anywhere on your system and then | |
## in your ~/.gitconfig add the following: | |
## | |
## [alias] | |
## diff-list = !/Full/Path/To/Script.sh | |
## | |
## | |
## Usage: | |
## | |
## In a git repository, you can now run: | |
## | |
## git diff-list | |
## | |
## This will give you a list of all un-staged files | |
## you would normally see in `git status`, but with | |
## integer identifires before them. | |
## | |
## You can now run the following to see a diff for | |
## a file: | |
## | |
## git diff-list <id> | |
## | |
## Now you don't have to type long paths into `git diff` | |
main() { | |
changed_files=$(git diff --color --name-status) | |
total_changed=0 | |
for file in $changed_files; do | |
let total_changed=total_changed+1 | |
done | |
if [ "$#" -ne 1 ]; then | |
echo "" | |
echo -e "> \033[1m\033[4mgit difflist <id>\033[0m to view the diff for any file (\033[1m\033[4m<id>\033[0m does not require leading 0s)" | |
echo "" | |
echo "Difference:" | |
echo "" | |
list_changes "$changed_files" | |
echo "" | |
exit | |
fi | |
if [ $1 -lt 0 ]; then | |
echo "Invalid diff id, try again." | |
exit 1 | |
fi | |
if [ $1 -gt $total_changed ]; then | |
echo "Invalid diff id, try again." | |
exit 1 | |
fi | |
file=$(get_file_diff "$changed_files" $1) | |
if [[ "$file" != "0" ]]; then | |
git diff $file | |
exit 0 | |
fi | |
echo "File does not contain any changes." | |
exit 1 | |
} | |
get_file_diff() { | |
change=1 | |
IFS=$'\n' | |
for file in $1; do | |
change_type=$(echo $file | awk '{printf $1}') | |
file_name=$(echo $file | awk '{printf $2}') | |
if [[ "$change" == "$2" ]]; then | |
gitdir=${PWD##*/} | |
echo ${file_name/$gitdir/"."} | |
return | |
fi | |
let change=$change+1 | |
done | |
echo "0" | |
} | |
list_changes() { | |
change=1 | |
IFS=$'\n' | |
for file in $1; do | |
change_type=$(echo $file | awk '{printf $1}') | |
file_name=$(echo $file | awk '{printf $2}') | |
printf " [%04d] %s %s\n" $change $change_type $file_name | |
let change=$change+1 | |
done | |
} | |
main $@ |
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