mergetool--lib: remove use of $status global
Remove return statements and rework check_unchanged() so that the exit status from the last evaluated expression bubbles up to the callers. Signed-off-by: David Aguilar <davvid@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -92,7 +92,7 @@ translate_merge_tool_path () {
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check_unchanged () {
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if test "$MERGED" -nt "$BACKUP"
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then
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status=0
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return 0
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else
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while true
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do
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@ -100,8 +100,8 @@ check_unchanged () {
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printf "Was the merge successful? [y/n] "
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read answer || return 1
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case "$answer" in
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y*|Y*) status=0; break ;;
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n*|N*) status=1; break ;;
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y*|Y*) return 0 ;;
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n*|N*) return 1 ;;
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esac
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done
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fi
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@ -119,8 +119,6 @@ setup_user_tool () {
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diff_cmd () {
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( eval $merge_tool_cmd )
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status=$?
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return $status
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}
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merge_cmd () {
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@ -133,9 +131,7 @@ setup_user_tool () {
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check_unchanged
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else
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( eval $merge_tool_cmd )
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status=$?
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fi
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return $status
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}
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}
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@ -152,13 +148,11 @@ setup_tool () {
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}
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diff_cmd () {
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status=1
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return $status
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return 1
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}
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merge_cmd () {
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status=1
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return $status
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return 1
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}
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translate_merge_tool_path () {
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@ -209,7 +203,6 @@ run_merge_tool () {
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merge_tool_path=$(get_merge_tool_path "$1") || exit
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base_present="$2"
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status=0
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# Bring tool-specific functions into scope
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setup_tool "$1" || return 1
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@ -220,8 +213,6 @@ run_merge_tool () {
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else
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run_diff_cmd "$1"
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fi
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status=$?
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return $status
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}
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# Run a either a configured or built-in diff tool
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