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test/lint/git-subtree-check.sh
| Show All 35 Lines | case "$a" in | ||||
| sq= | sq= | ||||
| main= | main= | ||||
| sub= | sub= | ||||
| ;; | ;; | ||||
| esac | esac | ||||
| done | done | ||||
| } | } | ||||
| # find latest subtree update | |||||
| latest_squash="$(find_latest_squash "$DIR")" | latest_squash="$(find_latest_squash "$DIR")" | ||||
| if [ -z "$latest_squash" ]; then | if [ -z "$latest_squash" ]; then | ||||
| echo "ERROR: $DIR is not a subtree" >&2 | echo "ERROR: $DIR is not a subtree" >&2 | ||||
| exit 2 | exit 2 | ||||
| fi | fi | ||||
| set $latest_squash | set $latest_squash | ||||
| old=$1 | old=$1 | ||||
| rev=$2 | rev=$2 | ||||
| if [ "d$(git cat-file -t $rev 2>/dev/null)" != dcommit ]; then | |||||
| echo "ERROR: subtree commit $rev unavailable. Fetch/update the subtree repository" >&2 | # get the tree in the current commit | ||||
| exit 2 | |||||
| fi | |||||
| tree_subtree=$(git show -s --format="%T" $rev) | |||||
| echo "$DIR in $COMMIT was last updated to upstream commit $rev (tree $tree_subtree)" | |||||
| tree_actual=$(git ls-tree -d "$COMMIT" "$DIR" | head -n 1) | tree_actual=$(git ls-tree -d "$COMMIT" "$DIR" | head -n 1) | ||||
| if [ -z "$tree_actual" ]; then | if [ -z "$tree_actual" ]; then | ||||
| echo "FAIL: subtree directory $DIR not found in $COMMIT" >&2 | echo "FAIL: subtree directory $DIR not found in $COMMIT" >&2 | ||||
| exit 1 | exit 1 | ||||
| fi | fi | ||||
| set $tree_actual | set $tree_actual | ||||
| tree_actual_type=$2 | tree_actual_type=$2 | ||||
| tree_actual_tree=$3 | tree_actual_tree=$3 | ||||
| echo "$DIR in $COMMIT currently refers to $tree_actual_type $tree_actual_tree" | echo "$DIR in $COMMIT currently refers to $tree_actual_type $tree_actual_tree" | ||||
| if [ "d$tree_actual_type" != "dtree" ]; then | if [ "d$tree_actual_type" != "dtree" ]; then | ||||
| echo "FAIL: subtree directory $DIR is not a tree in $COMMIT" >&2 | echo "FAIL: subtree directory $DIR is not a tree in $COMMIT" >&2 | ||||
| exit 1 | exit 1 | ||||
| fi | fi | ||||
| # get the tree at the time of the last subtree update | |||||
| tree_commit=$(git show -s --format="%T" $old) | |||||
| echo "$DIR in $COMMIT was last updated in commit $old (tree $tree_commit)" | |||||
| # ... and compare the actual tree with it | |||||
| if [ "$tree_actual_tree" != "$tree_commit" ]; then | |||||
| git diff $tree_commit $tree_actual_tree >&2 | |||||
| echo "FAIL: subtree directory was touched without subtree merge" >&2 | |||||
| exit 1 | |||||
| fi | |||||
| # get the tree in the subtree commit referred to | |||||
| if [ "d$(git cat-file -t $rev 2>/dev/null)" != dcommit ]; then | |||||
| echo "subtree commit $rev unavailable: cannot compare" >&2 | |||||
| exit | |||||
| fi | |||||
| tree_subtree=$(git show -s --format="%T" $rev) | |||||
| echo "$DIR in $COMMIT was last updated to upstream commit $rev (tree $tree_subtree)" | |||||
| # ... and compare the actual tree with it | |||||
| if [ "$tree_actual_tree" != "$tree_subtree" ]; then | if [ "$tree_actual_tree" != "$tree_subtree" ]; then | ||||
| git diff-tree $tree_actual_tree $tree_subtree >&2 | echo "FAIL: subtree update commit differs from upstream tree!" >&2 | ||||
| echo "FAIL: subtree directory tree doesn't match subtree commit tree" >&2 | |||||
| exit 1 | exit 1 | ||||
| fi | fi | ||||
| echo "GOOD" | echo "GOOD" | ||||