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f7d24bbefb
Instead of leaving the path unmerged in a case where each side adds different version of the same path, attempt to merge it with empty base and leave "our" version in the index file, just like we do for the case in conflicting merge. Signed-off-by: Junio C Hamano <junkio@cox.net>
101 lines
2.1 KiB
Bash
Executable File
101 lines
2.1 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 - orignal file mode (or empty)
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# $6 - file in branch1 mode (or empty)
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# $7 - file in branch2 mode (or empty)
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#
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# Handle some trivial cases.. The _really_ trivial cases have
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# been handled already by git-read-tree, but that one doesn't
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# do any merges that might change the tree layout.
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case "${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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fi
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if test -f "$4"; then
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rm -f -- "$4"
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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." | "..$3" )
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echo "Adding $4"
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git-update-index --add --cacheinfo "$6$7" "$2$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 "$1" in
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'')
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echo "Added $4 in both, but differently."
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orig=`git-unpack-file $2`
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: >$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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src2=`git-unpack-file $3`
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# We reset the index to the first branch, making
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# git-diff-file useful
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git-update-index --add --cacheinfo "$6" "$2" "$4"
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git-checkout-index -u -f -- "$4" &&
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merge "$4" "$orig" "$src2"
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ret=$?
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rm -f -- "$orig" "$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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