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- #!/bin/bash
- set -e
- if [ "$(git rev-parse --show-prefix)" != "" ]; then
- echo "Must be in root of git repo!"
- exit
- fi
- if [ "${1}" = "" ] || [ "${2}" = "" ] || [ "${3}" = "" ] || [ "${4}" = "" ] || [ "${5}" = "" ]; then
- echo "Usage: <path> <repo url> <branch> <subdir> <action>"
- exit
- fi
- path="${1}"
- repo="${2}"
- branch="${3}"
- subdir="${4}"
- action="${5}"
- prev="$(git branch --show-current)"
- temp="$(rev <<< "${repo%/}" | cut -d/ -f1,2 | rev | tr / -)-${branch}"
- fetch="_fetch-${temp}"
- split="_split-${temp}-$(tr / - <<< "${subdir}")"
- git fetch --no-tags "${repo}" "${branch}:${fetch}"
- git checkout "${fetch}"
- exec 420>&1
- result="$(git subtree split -P "${subdir}" -b "${split}" 2>&1 | tee /proc/self/fd/420)"
- if grep "is not an ancestor of commit" <<< "$result" > /dev/null; then
- echo "Resetting split branch..."
- git branch -D "${split}"
- git subtree split -P "${subdir}" -b "${split}"
- fi
- git checkout "${prev}"
- git subtree "${action}" -P "${path}" "${split}" -m "${action^} ${path} from ${repo}"
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