Delete unused Git branch from local and remote

branchToDelete.sh

# to get the --no-merged branches right before 2 month (echo branch name)
for branch in $(git branch -r --no-merged | grep -v HEAD); do echo -e $(git show --format="%ci %cr %an" $branch | head -n 1) \\t$branch; done | sort -r | awk '{ if($1 <= "2020-07-23") { print $NF}}'

# to get the --no-merged branches right before 2 month
for branch in $(git branch -r --no-merged | grep -v HEAD); do echo -e $(git show --format="%ci %cr %an" $branch | head -n 1) \\t$branch; done | sort -r | awk '{ if($1 <= "2020-07-23") { print }}'

# to get the --no-merged branches right before 2 month without release branches (echo branch name)
for branch in $(git branch -r --no-merged | grep -v HEAD); do echo -e $(git show --format="%ci %cr %an" $branch | head -n 1) \\t$branch; done | sort -r | awk '{ if($1 <= "2020-07-23") { print $NF}}' | awk '!/release/'

# to get the --no-merged branches right before 2 month without release and master branches (echo branch name without origin keyword)
for branch in $(git branch -r --list --no-merged | grep -v HEAD); do echo -e $(git show --format="%ci %cr %an" $branch | head -n 1) \\t$branch; done | sort -r | awk '{ if($1 <= "2020-07-23") { print $NF}}' | sed 's/origin\///g' | awk '!/release/' | awk '!/master/'

#to delete local branches
for branch in $(git branch -r --list --no-merged | grep -v HEAD); do echo -e $(git show --format="%ci %cr %an" $branch | head -n 1) \\t$branch; done | sort -r | awk '{ if($1 <= "2020-07-23") { print $NF}}' | sed 's/origin\///g' | awk '!/release/' | awk '!/master/' | xargs git branch -D
#to dump branch names into a file
for branch in $(git branch -r --list --no-merged | grep -v HEAD); do echo -e $(git show --format="%ci %cr %an" $branch | head -n 1) \\t$branch; done | sort -r | awk '{ if($1 <= "2020-07-23") { print $NF}}' | sed 's/origin\///g' | awk '!/release/' | awk '!/master/' >branchToBeDeleted.txt
#to delete branches from remote
cat branchToBeDeleted.txt | xargs git push origin --delete

# branches before 25-04-2020 without spike with commit date
for branch in $(git branch -r --list --no-merged | grep -v HEAD); do echo -e $(git show --format="%ci %cr %an" $branch | head -n 1) \\t$branch; done | sort -r | awk '{ if($1 <= "2020-04-25") { print }}' | sed 's/origin\///g' | awk '!/release/' | awk '!/master/' | awk '!/spike/'

#command we executed
# to capture branches with last commit date
for branch in $(git branch -r --list --no-merged | grep -v HEAD); do echo -e $(git show --format="%ci %cr %an" $branch | head -n 1) \\t$branch; done | sort -r | awk '{ if($1 <= "2020-04-25") { print }}' | sed 's/origin\///g' | awk '!/release/' | awk '!/master/' | awk '!/spike/' >branchesWithLastCommitDate.txt
# to capture branches that can be deleted
for branch in $(git branch -r --list --no-merged | grep -v HEAD); do echo -e $(git show --format="%ci %cr %an" $branch | head -n 1) \\t$branch; done | sort -r | awk '{ if($1 <= "2020-04-25") { print $NF}}' | sed 's/origin\///g' | awk '!/release/' | awk '!/master/' | awk '!/spike/' >branchesToBedelete.txt
# to delete captured branches
cat branchesToBedelete.txt | xargs git push origin --delete