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#! /bin/sh
# Create git repositories from project directories/tarballs.
#
# Usage example:
#
# ./init [--unpack]
#
owd=`pwd`
trap "{ cd $owd; exit 1; }" ERR
set -o errtrace # Trap in functions.
function info () { echo "$*" 1>&2; }
function error () { info "error: $*"; exit 1; }
function trace () { if [ "$verbose" == 'y' ]; then info "trace: $*"; fi }
unpack=
while [ $# -gt 0 ]; do
case $1 in
--unpack)
unpack='y'
shift
;;
*)
error "invalid option $1"
;;
esac
done
# Unpack repositories if requested.
#
if [ -n "$unpack" ]; then
for f in */*.tar; do
rm -r -f ${f%.tar}.git
tar xf $f;
done
fi
# Create the initial state of the repositories libfoo.git, libbar.git,
# style.git, and style-basic.git.
#
cd state0
rm -f -r libfoo.git/.git
rm -f libfoo.git/.gitmodules
rm -f libfoo.git/README
rm -f -r libfoo.git/libbar
rm -f -r libfoo.git/doc/style
rm -f -r libbar.git/.git
rm -f -r style.git/.git
rm -f -r style.git/basic
rm -f -r style-basic.git/.git
rm -f style-basic.git/README
rm -f style-basic.git/INSTALL
# Create master branch for style-basic.git.
#
git -C style-basic.git init
git -C style-basic.git add '*'
git -C style-basic.git commit -am 'Create'
# Create stable branch for style-basic.
#
git -C style-basic.git branch stable
git -C style-basic.git checkout stable
touch style-basic.git/README
git -C style-basic.git add README
git -C style-basic.git commit -am 'README'
# Create master branch for style.git, adding style-basic.git as a submodule.
#
git -C style.git init
git -C style.git add '*'
git -C style.git submodule add ../style-basic.git basic # The stable branch.
git -C style.git commit -am 'Create'
# Make style.git to refer an unadvertised reference, commiting into the stable
# branch of style-basic.git.
#
touch style-basic.git/INSTALL
git -C style-basic.git add INSTALL
git -C style-basic.git commit -am 'INSTALL'
git -C style-basic.git checkout master
# Create master branch for libbar.git.
#
git -C libbar.git init
git -C libbar.git add '*'
git -C libbar.git commit -am 'Create'
# Create master branch for libfoo.git, adding style.git and libbar.git as
# submodules.
#
git -C libfoo.git init
git -C libfoo.git add '*'
git -C libfoo.git submodule add ../style.git doc/style
git -C libfoo.git submodule add ../libbar.git libbar
git -C libfoo.git submodule update --init --recursive # Updates doc/style/basic.
git -C libfoo.git commit -am 'Create'
# Add tags for libfoo.git.
#
git -C libfoo.git tag 'ltag'
git -C libfoo.git tag -a 'atag' -m 'Create annotated tag'
# Advance the master branch to make tags not to mark a branch tip.
#
touch libfoo.git/README
git -C libfoo.git add README
git -C libfoo.git commit -am 'README'
# Create the modified state of the repositories, replacing libbar.git submodule
# of libfoo with the newly created libbaz.git repository. Also advance master
# branches and tags for libfoo.git and it's submodule style.git.
#
cd ../state1
# Copy repositories initial state.
#
for d in ../state0/*.git; do
rm -f -r $(basename $d)
cp -r $d .
done
# Create libbaz.git repository.
#
rm -f -r libbaz.git/.git
git -C libbaz.git init
git -C libbaz.git add '*'
git -C libbaz.git commit -am 'Create'
# Sync submodule references with their new locations.
#
for d in *.git; do
git -C $d submodule sync --recursive
done
# Advance style.git master branch.
#
touch style.git/README
git -C style.git add README
git -C style.git commit -am 'README'
# Advance libfoo.git master branch.
#
git -C libfoo.git submodule update --init --remote # Pull style only.
git -C libfoo.git commit -am 'Update style'
git -C libfoo.git rm -r tests
git -C libfoo.git commit -am 'Remove tests'
git -C libfoo.git submodule deinit libbar
git -C libfoo.git rm libbar
git -C libfoo.git commit -am 'Remove libbar'
rm -f -r libbar.git
git -C libfoo.git submodule add ../libbaz.git libbaz
git -C libfoo.git submodule update --init libbaz
git -C libfoo.git commit -am 'Add libbaz'
git -C libfoo.git tag -f 'ltag'
git -C libfoo.git tag -f -a 'atag' -m 'Move annotated tag'
touch libfoo.git/INSTALL
git -C libfoo.git add INSTALL
git -C libfoo.git commit -am 'INSTALL'
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