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Script that removes old git branches
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#!/usr/bin/env bash | ||
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# Change this variable if you are using another name for ckan/ckan's remote | ||
REMOTE=origin | ||
PR_ENDPOINT=https://api.github.com/repos/ckan/ckan/pulls | ||
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prepare_branches() { | ||
echo List existing branches | ||
# awk filters out `master`, `release-something`, `dev-something` and `MAJOR.MINOR-something` branches | ||
custom_branches=$(git fetch $REMOTE && git branch -r --list $REMOTE/* | awk '{ if ($2 !~ /^[0-9]\.[0-9]|^release|^dev-|^master$|HEAD/) print $2}' FS=/) | ||
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echo Calculate total amount of active PRs | ||
# github adds Link header, that contains reference to last page with results. And that helps us to define total number of pages | ||
last_page=$(curl -s -I $PR_ENDPOINT | grep '^Link' | sed -E 's/.*page=([[:digit:]]+).*rel="last".*/\1/') | ||
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echo Compute branches that are in use by active PRs | ||
for ((i=1; i<=$last_page; i++)) | ||
do | ||
# Take JSON, get name of branch with feature, leave only those ones, that starts with `ckan:`. I think, that jq is much more nice way to process json, but i'm not sure, that every one has it. But if you do, | ||
# you can replace python's section with something like `| jq '.[] | .head.label' -r |` | ||
next_portion=$(curl -s "$PR_ENDPOINT?page=$i" | python -c 'import json, sys; raw=sys.stdin.read(); labels=[str(item["head"]["label"]) for item in json.loads(raw)]; print("\n".join(labels))' | grep '^ckan' | sed 's/^ckan://') | ||
used_branches="$used_branches\n$next_portion" | ||
echo [$i of $last_page parts processed] | ||
done; | ||
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echo Compute list of branches that can be safetely removed | ||
tmp_file=$(mktemp) | ||
diff <(echo -e "$used_branches" | sort) <(echo -e "$custom_branches" | sort) --unchanged-line-format="" >> $tmp_file | ||
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echo | ||
echo List of all branches that can be removed stored into $tmp_file. Review it\'s content and run \'$0 --apply $tmp_file\'. | ||
echo NOTE. This command requires write access to CKAN repository and will actually remove all branches that are listed in $tmp_file. | ||
} | ||
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if [[ $# -gt 0 ]]; | ||
then | ||
case "$1" in | ||
-h|--help) | ||
echo Compute/remove unused branches | ||
echo Usage: $0 [--apply FILE_WITH_BRANCHES] | ||
;; | ||
--apply) | ||
shift | ||
if [[ -f $1 ]] | ||
then | ||
while read branch | ||
do | ||
git push $REMOTE --delete $branch | ||
done < $1 | ||
else | ||
echo File does not exist | ||
fi | ||
shift | ||
;; | ||
*) | ||
echo Check usage with: $0 --help | ||
;; | ||
esac | ||
else | ||
prepare_branches | ||
fi |