mirror of
https://github.com/git/git.git
synced 2024-11-25 10:54:00 +08:00
183f88018a
Adjust the order mergetools feeds the files to the p4merge backend to match the p4 convention. * kb/p4merge: merge-one-file: force content conflict for "both sides added" case git-merge-one-file: send "ERROR:" messages to stderr git-merge-one-file: style cleanup merge-one-file: remove stale comment mergetools/p4merge: create a base if none available mergetools/p4merge: swap LOCAL and REMOTE
161 lines
3.4 KiB
Bash
Executable File
161 lines
3.4 KiB
Bash
Executable File
#!/bin/sh
|
|
#
|
|
# Copyright (c) Linus Torvalds, 2005
|
|
#
|
|
# This is the git per-file merge script, called with
|
|
#
|
|
# $1 - original file SHA1 (or empty)
|
|
# $2 - file in branch1 SHA1 (or empty)
|
|
# $3 - file in branch2 SHA1 (or empty)
|
|
# $4 - pathname in repository
|
|
# $5 - original file mode (or empty)
|
|
# $6 - file in branch1 mode (or empty)
|
|
# $7 - file in branch2 mode (or empty)
|
|
#
|
|
# Handle some trivial cases.. The _really_ trivial cases have
|
|
# been handled already by git read-tree, but that one doesn't
|
|
# do any merges that might change the tree layout.
|
|
|
|
USAGE='<orig blob> <our blob> <their blob> <path>'
|
|
USAGE="$USAGE <orig mode> <our mode> <their mode>"
|
|
LONG_USAGE="usage: git merge-one-file $USAGE
|
|
|
|
Blob ids and modes should be empty for missing files."
|
|
|
|
SUBDIRECTORY_OK=Yes
|
|
. git-sh-setup
|
|
cd_to_toplevel
|
|
require_work_tree
|
|
|
|
if test $# != 7
|
|
then
|
|
echo "$LONG_USAGE"
|
|
exit 1
|
|
fi
|
|
|
|
case "${1:-.}${2:-.}${3:-.}" in
|
|
#
|
|
# Deleted in both or deleted in one and unchanged in the other
|
|
#
|
|
"$1.." | "$1.$1" | "$1$1.")
|
|
if test -n "$2"
|
|
then
|
|
echo "Removing $4"
|
|
else
|
|
# read-tree checked that index matches HEAD already,
|
|
# so we know we do not have this path tracked.
|
|
# there may be an unrelated working tree file here,
|
|
# which we should just leave unmolested. Make sure
|
|
# we do not have it in the index, though.
|
|
exec git update-index --remove -- "$4"
|
|
fi
|
|
if test -f "$4"
|
|
then
|
|
rm -f -- "$4" &&
|
|
rmdir -p "$(expr "z$4" : 'z\(.*\)/')" 2>/dev/null || :
|
|
fi &&
|
|
exec git update-index --remove -- "$4"
|
|
;;
|
|
|
|
#
|
|
# Added in one.
|
|
#
|
|
".$2.")
|
|
# the other side did not add and we added so there is nothing
|
|
# to be done, except making the path merged.
|
|
exec git update-index --add --cacheinfo "$6" "$2" "$4"
|
|
;;
|
|
"..$3")
|
|
echo "Adding $4"
|
|
if test -f "$4"
|
|
then
|
|
echo "ERROR: untracked $4 is overwritten by the merge." >&2
|
|
exit 1
|
|
fi
|
|
git update-index --add --cacheinfo "$7" "$3" "$4" &&
|
|
exec git checkout-index -u -f -- "$4"
|
|
;;
|
|
|
|
#
|
|
# Added in both, identically (check for same permissions).
|
|
#
|
|
".$3$2")
|
|
if test "$6" != "$7"
|
|
then
|
|
echo "ERROR: File $4 added identically in both branches," >&2
|
|
echo "ERROR: but permissions conflict $6->$7." >&2
|
|
exit 1
|
|
fi
|
|
echo "Adding $4"
|
|
git update-index --add --cacheinfo "$6" "$2" "$4" &&
|
|
exec git checkout-index -u -f -- "$4"
|
|
;;
|
|
|
|
#
|
|
# Modified in both, but differently.
|
|
#
|
|
"$1$2$3" | ".$2$3")
|
|
|
|
case ",$6,$7," in
|
|
*,120000,*)
|
|
echo "ERROR: $4: Not merging symbolic link changes." >&2
|
|
exit 1
|
|
;;
|
|
*,160000,*)
|
|
echo "ERROR: $4: Not merging conflicting submodule changes." >&2
|
|
exit 1
|
|
;;
|
|
esac
|
|
|
|
src1=$(git-unpack-file $2)
|
|
src2=$(git-unpack-file $3)
|
|
case "$1" in
|
|
'')
|
|
echo "Added $4 in both, but differently."
|
|
orig=$(git-unpack-file $2)
|
|
create_virtual_base "$orig" "$src2"
|
|
;;
|
|
*)
|
|
echo "Auto-merging $4"
|
|
orig=$(git-unpack-file $1)
|
|
;;
|
|
esac
|
|
|
|
git merge-file "$src1" "$orig" "$src2"
|
|
ret=$?
|
|
msg=
|
|
if test $ret != 0 || test -z "$1"
|
|
then
|
|
msg='content conflict'
|
|
ret=1
|
|
fi
|
|
|
|
# Create the working tree file, using "our tree" version from the
|
|
# index, and then store the result of the merge.
|
|
git checkout-index -f --stage=2 -- "$4" && cat "$src1" >"$4" || exit 1
|
|
rm -f -- "$orig" "$src1" "$src2"
|
|
|
|
if test "$6" != "$7"
|
|
then
|
|
if test -n "$msg"
|
|
then
|
|
msg="$msg, "
|
|
fi
|
|
msg="${msg}permissions conflict: $5->$6,$7"
|
|
ret=1
|
|
fi
|
|
|
|
if test $ret != 0
|
|
then
|
|
echo "ERROR: $msg in $4" >&2
|
|
exit 1
|
|
fi
|
|
exec git update-index -- "$4"
|
|
;;
|
|
|
|
*)
|
|
echo "ERROR: $4: Not handling case $1 -> $2 -> $3" >&2
|
|
;;
|
|
esac
|
|
exit 1
|