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74 lines
1.9 KiB
74 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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# $5 - orignal file mode (or empty) |
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# $6 - file in branch1 mode (or empty) |
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# $7 - file in branch2 mode (or empty) |
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# |
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# Handle some trivial cases.. The _really_ trivial cases have |
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# been handled already by git-read-tree, but that one doesn't |
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# do any merges that migth change the tree layout. |
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case "${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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echo "Removing $4" |
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exec git-update-cache --force-remove "$4" ;; |
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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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case "$6$7" in *7??) mode=+x;; *) mode=-x;; esac |
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echo "Adding $4 with perm $mode." |
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exec git-update-cache --add --cacheinfo "$6$7" "$2$3" "$4" ;; |
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# |
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# Added in both (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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case "$6" in *7??) mode=+x;; *) mode=-x;; esac |
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echo "Adding $4 with perm $mode" |
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exec git-update-cache --add --cacheinfo "$6" "$2" "$4" ;; |
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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 $4." |
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orig=$(git-unpack-file $1) |
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src1=$(git-unpack-file $2) |
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src2=$(git-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." |
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fi |
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if [ $ret -ne 0 ]; then |
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echo "ERROR: Leaving conflict merge in $src2." |
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exit 1 |
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fi |
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sha1=$(git-write-blob "$src2") || { |
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echo "ERROR: Leaving conflict merge in $src2." |
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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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echo "ERROR: Not handling case $4: $1 -> $2 -> $3" ;; |
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esac |
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exit 1
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