diff options
Diffstat (limited to 'bin/git-new-module-workdir')
-rwxr-xr-x | bin/git-new-module-workdir | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/bin/git-new-module-workdir b/bin/git-new-module-workdir new file mode 100755 index 000000000000..bfad184a308d --- /dev/null +++ b/bin/git-new-module-workdir @@ -0,0 +1,88 @@ +#!/bin/sh + +usage () { + echo "usage:" $@ + exit 127 +} + +die () { + echo $@ + exit 128 +} + +if test $# -lt 2 || test $# -gt 2 +then + usage "$0 <repository> <new_workdir>" +fi + +orig_git=$1 +new_workdir=$2 +branch=$3 + +# want to make sure that what is pointed to has a .git directory ... +git_dir=$(cd "$orig_git" 2>/dev/null && + git rev-parse --git-dir 2>/dev/null) || + die "Not a git repository: \"$orig_git\"" + +case "$git_dir" in +.git) + git_dir="$orig_git/.git" + ;; +.) + git_dir=$orig_git + ;; +esac + +# don't link to a configured bare repository +isbare=$(git --git-dir="$git_dir" config --bool --get core.bare) +if test ztrue = z$isbare +then + die "\"$git_dir\" has core.bare set to true," \ + " remove from \"$git_dir/config\" to use $0" +fi + +# don't link to a workdir +if test -h "$git_dir/config" +then + die "\"$orig_git\" is a working directory only, please specify" \ + "a complete repository." +fi + +if ! test -d ".git" +then + die "the current directory is not a git workdir" +fi + +# don't recreate a workdir over an existing repository +if test -e "$new_workdir/.git" +then + die "destination directory '$new_workdir' already exists." +fi + +# make sure the links use full paths +git_dir=$(cd "$git_dir"; pwd) + +# create the workdir +mkdir -p ".git/modules/$new_workdir" || die "unable to create \".git/modules/$new_workdir\"!" + +# create the links to the original repo. explicitly exclude index, HEAD and +# logs/HEAD from the list since they are purely related to the current working +# directory, and should not be shared. +## LEM: add branches; deprecated, but safer to include it +for x in branches config refs logs/refs objects info hooks packed-refs remotes rr-cache svn +do + case $x in + */*) + mkdir -p "$(dirname ".git/modules/$new_workdir/$x")" + ;; + esac + ln -s "$git_dir/$x" ".git/modules/$new_workdir/$x" +done + +# now setup the workdir +mkdir -p "$new_workdir" +cd "$new_workdir" +echo "gitdir: ../.git/modules/$new_workdir" > .git +# copy the HEAD from the original repository as a default branch +cp "$git_dir/HEAD" ../.git/modules/$new_workdir/HEAD +# don't checkout the branch, a subsequent "git module update" will do it |