View new commits since last deploy commit in monorepo packages

commits_since_deploy_tag_monorepo.sh

#!/bin/bash

# Print pretty list of commits since last deploy.
#
#
# Usage example:
#
#   ./bin/commits_since_deploy.sh analytics-app c9bad41
#
# This will give you something like:
#
#   2022-04-26 [Bob] chore(deps-dev): bump uglify-js from 3.5.3 to 3.5.8 (#122)
#   2022-04-26 [Charles] feat(JIRA-XXXX) feature commit message

# Update tags locally, since only local tags can be sorted
git fetch

package_name=$1
tag=$2
grep_args=''

# -x  Select only those matches that exactly match the whole line
# -E  Interpret patterns as extended regular expressions
grep_args='-x -E'

# Check if tag exists
if [ "$tag" == "" ]; then
  echo "\
No matching deploy tag found for that package.\

Make sure the package name is correct.\

For example: 'analytics-app'\
" && exit; else
  echo "Viewed commits since '$tag'";
fi

git log \
  --pretty="%C(yellow)%ad%C(reset) %C(blue)[%an]%C(reset) %s" \
  --date=short $tag.. "packages/$package_name"