File indexing completed on 2024-12-22 05:21:23
0001 #!/bin/sh 0002 0003 # Merges the tree and history of another git repository into the current one. 0004 # Based on code Linux Torvalds wrote in an email. 0005 # 0006 # This must be run from the root of the target repository, and takes 0007 # a single argument: a path to the source repository. 0008 # 0009 # You must make sure the trees are distinct first. Typically, you 0010 # move things around in the source repository to be how you want them 0011 # to appear in the target repository. 0012 0013 if [ ! -d .git ]; then 0014 echo "This script must be run from the root of a git repository" >&2 0015 exit 1 0016 fi 0017 0018 if [ -z "$1" ]; then 0019 echo "Usage: $0 <source-repo>" >&2 0020 exit 1 0021 fi 0022 0023 git fetch $1 0024 if [ $? != 0 ]; then 0025 echo "Could not fetch $1; make sure it is a git repository" >&2 0026 exit 1 0027 fi 0028 GIT_INDEX_FILE=.git/tmp-index git read-tree FETCH_HEAD || exit 1 0029 GIT_INDEX_FILE=.git/tmp-index git checkout-index -a -u 0030 if [ $? != 0 ]; then 0031 echo "Could not checkout fetched tree; make sure it is disjoint from this repository's tree" >&2 0032 exit 1 0033 fi 0034 git update-index --add -- $(GIT_INDEX_FILE=.git/tmp-index git ls-files) || exit 1 0035 cp .git/FETCH_HEAD .git/MERGE_HEAD || exit 1 0036 sed -i -e 's/^\([a-z0-9]*\)\s.*/\1/' .git/MERGE_HEAD 0037 git commit || exit 1