Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

executable file 161 lines (145 sloc) 3.482 kb
#!/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
Jump to Line
Something went wrong with that request. Please try again.