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Update git-merge-one-file-script.
With this change, git-merge-one-file-script ceases to smudge files in the work tree when recording the trivial merge results (conflicting auto-merge failure case does not touch the work tree file as before). Signed-off-by: Junio C Hamano <junkio@cox.net>
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@ -6,81 +6,69 @@
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# $2 - file in branch1 SHA1 (or empty)
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# $2 - file in branch1 SHA1 (or empty)
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# $3 - file in branch2 SHA1 (or empty)
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# $3 - file in branch2 SHA1 (or empty)
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# $4 - pathname in repository
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# $4 - pathname in repository
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#
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# $5 - orignal file mode (or empty)
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# $6 - file in branch1 mode (or empty)
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# $7 - file in branch2 mode (or empty)
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#
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#
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# Handle some trivial cases.. The _really_ trivial cases have
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# Handle some trivial cases.. The _really_ trivial cases have
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# been handled already by git-read-tree, but that one doesn't
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# been handled already by git-read-tree, but that one doesn't
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# do any merges that migth change the tree layout
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# do any merges that migth change the tree layout.
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#
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# if the directory is newly added in a branch, it might not exist
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# in the current tree
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dir=$(dirname "$4")
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mkdir -p "$dir" || exit
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case "${1:-.}${2:-.}${3:-.}" in
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case "${1:-.}${2:-.}${3:-.}" in
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#
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#
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# deleted in both
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# Deleted in both.
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#
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#
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"$1..")
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"$1..")
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echo "ERROR: $4 is removed in both branches"
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echo "ERROR: $4 is removed in both branches."
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echo "ERROR: This is a potential rename conflict"
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echo "ERROR: This is a potential rename conflict."
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exit 1;;
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exit 1;;
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#
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#
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# deleted in one and unchanged in the other
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# Deleted in one and unchanged in the other.
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#
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#
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"$1.." | "$1.$1" | "$1$1.")
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"$1.." | "$1.$1" | "$1$1.")
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echo "Removing $4"
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echo "Removing $4"
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rm -f -- "$4" && exec git-update-cache --remove -- "$4" ;;
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exec git-update-cache --force-remove "$4" ;;
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#
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#
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# added in one
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# Added in one.
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#
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#
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".$2." | "..$3" )
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".$2." | "..$3" )
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case "$6$7" in *7??) mode=+x;; *) mode=-x;; esac
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case "$6$7" in *7??) mode=+x;; *) mode=-x;; esac
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echo "Adding $4 with perm $mode"
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echo "Adding $4 with perm $mode."
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rm -f -- "$4" &&
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exec git-update-cache --add --cacheinfo "$6$7" "$2$3" "$4" ;;
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git-cat-file blob "$2$3" >"$4" &&
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chmod "$mode" -- "$4" &&
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exec git-update-cache --add -- "$4" ;;
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#
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#
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# Added in both (check for same permissions)
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# Added in both (check for same permissions).
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#
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#
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".$2$2")
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".$3$2")
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if [ "$6" != "$7" ]; then
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if [ "$6" != "$7" ]; then
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echo "ERROR: File $4 added in both branches, permissions conflict $6->$7"
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echo "ERROR: File $4 added identically in both branches,"
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echo "ERROR: but permissions conflict $6->$7."
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exit 1
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exit 1
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fi
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fi
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case "$6" in *7??) mode=+x;; *) mode=-x;; esac
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case "$6" in *7??) mode=+x;; *) mode=-x;; esac
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echo "Adding $4 with perm $mode"
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echo "Adding $4 with perm $mode"
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rm -f -- "$4" &&
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exec git-update-cache --add --cacheinfo "$6" "$2" "$4" ;;
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git-cat-file blob "$2" >"$4" &&
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chmod "$mode" -- "$4" &&
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exec git-update-cache --add -- "$4" ;;
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#
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#
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# Modified in both, but differently ;(
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# Modified in both, but differently.
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#
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#
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"$1$2$3")
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"$1$2$3")
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echo "Auto-merging $4"
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echo "Auto-merging $4."
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orig=$(git-unpack-file $1)
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orig=$(git-unpack-file $1)
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src1=$(git-unpack-file $2)
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src1=$(git-unpack-file $2)
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src2=$(git-unpack-file $3)
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src2=$(git-unpack-file $3)
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merge "$src2" "$orig" "$src1"
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merge "$src2" "$orig" "$src1"
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ret=$?
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ret=$?
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if [ "$6" != "$7" ]; then
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if [ "$6" != "$7" ]; then
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echo "ERROR: Permissions $5->$6->$7 don't match merging $src2"
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echo "ERROR: Permissions $5->$6->$7 don't match."
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if [ $ret -ne 0 ]; then
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echo "ERROR: Leaving conflict merge in $src2"
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fi
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exit 1
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fi
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fi
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if [ $ret -ne 0 ]; then
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if [ $ret -ne 0 ]; then
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echo "ERROR: Leaving conflict merge in $src2"
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echo "ERROR: Leaving conflict merge in $src2."
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exit 1
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exit 1
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fi
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fi
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case "$6" in *7??) mode=+x;; *) mode=-x;; esac
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sha1=$(git-write-blob "$src2") || {
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rm -f -- "$4" && cat "$src2" >"$4" && chmod "$mode" -- "$4" &&
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echo "ERROR: Leaving conflict merge in $src2."
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exec git-update-cache --add -- "$4" ;;
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}
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exec git-update-cache --add --cacheinfo "$6" $sha1 "$4" ;;
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*)
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*)
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echo "Not handling case $4: $1 -> $2 -> $3" ;;
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echo "ERROR: Not handling case $4: $1 -> $2 -> $3" ;;
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esac
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esac
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exit 1
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exit 1
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