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91 lines
1.9 KiB
91 lines
1.9 KiB
#!/bin/sh |
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# |
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# This is the git 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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# $4 - pathname in repository |
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# |
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# |
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# Handle some trivial cases.. The _really_ trivial cases have |
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# been handled already by read-tree, but that one doesn't |
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# do any merges that migth change the tree layout |
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# |
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# if the directory is newly added in a branch, it might not exist |
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# in the current tree |
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dir=$(dirname "$4") |
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mkdir -p "$dir" |
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case "${1:-.}${2:-.}${3:-.}" in |
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# |
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# deleted in both |
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# |
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"$1..") |
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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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exit 1;; |
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# |
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# 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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rm -f -- "$4" |
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echo "Removing $4" |
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update-cache --remove -- "$4" |
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exit 0 |
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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 with perm $6$7" |
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mv $(unpack-file "$2$3") $4 |
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chmod "$6$7" $4 |
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update-cache --add -- $4 |
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exit 0 |
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;; |
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# |
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# Added in both (check for same permissions) |
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# |
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".$2$2") |
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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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exit 1 |
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fi |
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echo "Adding $4 with perm $6" |
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mv $(unpack-file "$2") $4 |
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chmod "$6" $4 |
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update-cache --add -- $4 |
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exit 0;; |
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# |
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# Modified in both, but differently ;( |
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# |
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"$1$2$3") |
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echo "Auto-merging $4" |
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orig=$(unpack-file $1) |
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src1=$(unpack-file $2) |
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src2=$(unpack-file $3) |
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merge "$src2" "$orig" "$src1" |
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ret=$? |
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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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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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chmod -- "$6" "$src2" |
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if [ $ret -ne 0 ]; then |
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echo "ERROR: Leaving conflict merge in $src2" |
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exit 1 |
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fi |
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cp -- "$src2" "$4" && chmod -- "$6" "$4" && update-cache --add -- "$4" && exit 0 |
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;; |
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*) |
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echo "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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