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Diffstat (limited to 'scripts/git-sync-noconflict')
-rwxr-xr-x | scripts/git-sync-noconflict | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/scripts/git-sync-noconflict b/scripts/git-sync-noconflict new file mode 100755 index 0000000..e0117d7 --- /dev/null +++ b/scripts/git-sync-noconflict @@ -0,0 +1,93 @@ +#!/bin/bash +set -eu + +verbose=0 +hosthash=$(python3 -c "import uuid, hashlib +print(hashlib.new('sha1', str(uuid.getnode()).encode('utf8')).hexdigest())") +#hostident="${HOSTNAME}" +hostident="${hosthash}" + +if [ -d "$(git rev-parse --git-dir)/annex" ]; then + echo 'Sync: using git annex' + exec git annex sync "$@" +fi + +# determine current branch name +branch_name=$(git symbolic-ref -q --short HEAD) + +# remote name +remote_name=$(git config --get branch.${branch_name}.remote || true) + +# conflict commit message +conflict_message="Merge conflict autocommit on ${hostident}" + +if [ -z "$remote_name" ]; then + echo "No remote for this repository" >&2 + exit 1 +fi + +if [ "$(git config --get --bool branch.${branch_name}.sync)" != "true" ]; then + echo "Branch is not configured to accept git-sync" >&2 + echo "To accept git-sync operation, set current branch sync to true:" >&2 + echo " git config --bool branch.${branch_name}.sync true" >&2 + exit 1 +fi + +if [ "$verbose" -ne 0 ]; then + echo 'Sync: git autocommit' +fi +git add -A "./$(git rev-parse --show-cdup)" +if ! git diff --cached --quiet; then + git status --short + git commit -m "Auto-commit on ${hostident}" +fi + +if [ "$verbose" -ne 0 ]; then + echo 'Sync: fetch and merge' +fi + +git fetch --quiet + +# might fail one time if conflict detected +git merge -m "$conflict_message" || true + +if [ "$verbose" -ne 0 ]; then + echo 'Sync: conflict autocommit' +fi + +git status --porcelain | while read -r filename; do + state="${filename:0:2}" + filename="${filename:3}" + ours="${filename}.${hostident}.conflict" + theirs="${filename}.${remote_name}.conflict" + case "$state" in + *U*) + git checkout --ours -- "$filename" + mv -i -- "$filename" "$ours" + git add -- "$ours" + git checkout --theirs -- "$filename" + cp -ai -- "$filename" "$theirs" + git add -- "$filename" + git add -- "$theirs" + ;; + esac +done + +# no action is done if there is nothing to commit +if git status --porcelain | grep -q .; then + git status --short + git commit -m "$conflict_message" +fi + +# should not fail again +git merge -m "$conflict_message" + +if [ "$verbose" -ne 0 ]; then + echo 'Sync: pushing changes' +fi + +git push --quiet + +if [ "$verbose" -ne 0 ]; then + echo 'Sync: done' +fi |