mirror of
https://github.com/git/git.git
synced 2024-11-28 20:44:04 +08:00
561b0fbb4a
When commit ed93b449 changed the script so that it does not
touch untracked working tree file, we forgot that we still
needed to resolve the index entry (otherwise they are left
unmerged).
Signed-off-by: Junio C Hamano <gitster@pobox.com>
137 lines
3.3 KiB
Bash
Executable File
137 lines
3.3 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) Linus Torvalds, 2005
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#
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# This is the git per-file merge script, called with
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#
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# $1 - original file 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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# $4 - pathname in repository
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# $5 - original file mode (or empty)
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# $6 - file in branch1 mode (or empty)
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# $7 - file in branch2 mode (or empty)
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#
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# Handle some trivial cases.. The _really_ trivial cases have
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# been handled already by git read-tree, but that one doesn't
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# do any merges that might change the tree layout.
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case "${1:-.}${2:-.}${3:-.}" in
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#
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# Deleted in both or deleted in one and unchanged in the other
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#
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"$1.." | "$1.$1" | "$1$1.")
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if [ "$2" ]; then
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echo "Removing $4"
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else
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# read-tree checked that index matches HEAD already,
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# so we know we do not have this path tracked.
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# there may be an unrelated working tree file here,
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# which we should just leave unmolested. Make sure
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# we do not have it in the index, though.
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exec git update-index --remove -- "$4"
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fi
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if test -f "$4"; then
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rm -f -- "$4" &&
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rmdir -p "$(expr "z$4" : 'z\(.*\)/')" 2>/dev/null || :
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fi &&
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exec git update-index --remove -- "$4"
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;;
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#
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# Added in one.
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#
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".$2.")
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# the other side did not add and we added so there is nothing
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# to be done, except making the path merged.
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exec git update-index --add --cacheinfo "$6" "$2" "$4"
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;;
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"..$3")
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echo "Adding $4"
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test -f "$4" || {
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echo "ERROR: untracked $4 is overwritten by the merge."
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exit 1
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}
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git update-index --add --cacheinfo "$7" "$3" "$4" &&
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exec git checkout-index -u -f -- "$4"
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;;
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#
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# Added in both, identically (check for same permissions).
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#
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".$3$2")
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if [ "$6" != "$7" ]; then
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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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fi
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echo "Adding $4"
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git update-index --add --cacheinfo "$6" "$2" "$4" &&
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exec git checkout-index -u -f -- "$4"
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;;
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#
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# Modified in both, but differently.
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#
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"$1$2$3" | ".$2$3")
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case ",$6,$7," in
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*,120000,*)
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echo "ERROR: $4: Not merging symbolic link changes."
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exit 1
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;;
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esac
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src2=`git-unpack-file $3`
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case "$1" in
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'')
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echo "Added $4 in both, but differently."
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# This extracts OUR file in $orig, and uses git apply to
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# remove lines that are unique to ours.
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orig=`git-unpack-file $2`
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sz0=`wc -c <"$orig"`
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diff -u -La/$orig -Lb/$orig $orig $src2 | git apply --no-add
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sz1=`wc -c <"$orig"`
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# If we do not have enough common material, it is not
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# worth trying two-file merge using common subsections.
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expr "$sz0" \< "$sz1" \* 2 >/dev/null || : >$orig
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;;
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*)
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echo "Auto-merging $4"
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orig=`git-unpack-file $1`
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;;
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esac
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# Be careful for funny filename such as "-L" in "$4", which
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# would confuse "merge" greatly.
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src1=`git-unpack-file $2`
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git merge-file "$src1" "$orig" "$src2"
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ret=$?
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# Create the working tree file, using "our tree" version from the
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# index, and then store the result of the merge.
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git checkout-index -f --stage=2 -- "$4" && cat "$src1" >"$4"
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rm -f -- "$orig" "$src1" "$src2"
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if [ "$6" != "$7" ]; then
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echo "ERROR: Permissions conflict: $5->$6,$7."
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ret=1
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fi
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if [ "$1" = '' ]; then
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ret=1
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fi
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if [ $ret -ne 0 ]; then
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echo "ERROR: Merge conflict in $4"
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exit 1
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fi
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exec git update-index -- "$4"
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;;
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*)
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echo "ERROR: $4: Not handling case $1 -> $2 -> $3"
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;;
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esac
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exit 1
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