How to copy easily git HEAD commit to clipboard

Very often when addressing/fixing PR review comments you make a commit and then you need this commit hash to past into GH comment.

This is the way how to automate it:

Using bash alias

alias gitch='COMM=`git rev-parse --short=7 HEAD` && echo "$COMM" | xclip -selection clipboard && printf "%nCopied HEAD commit ${COMM} to clipboard%n"'

Using custom git commands

1. Go to git scripts directory:

   pushd $(git --exec-path)

2. Create executable custom script git-copy-head:

   touch git-copy-head ; chmod a+x git-copy-head ; cat <<EOT >> git-copy-head

   #!/bin/sh

   # radistao's custom script to copy head commit hash to clipboard

   # xargs echo -n trims last new line from rev-parse

   HASH=`git rev-parse --short HEAD | xargs echo -n`

   printf "$HASH" | xclip -selection clipboard

   printf "Copied HEAD hash \e[1;32m\$HASH\e[0m to clipboard:\n\n"

   git --no-pager show -s --pretty=short HEAD

   EOT

3. Now you could easily do:

   git copy-head

   and try Ctrl+V

4. To simplify even more - add git alias:

   git config --global alias.ch copy-head

   now you could just simple:

   git ch

   and try Ctrl+V