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#!/bin/sh
# git-amb - git automake build utility
# Copyright (C) 2007 Hans Ulrich Niedermann <hun@n-dimensional.de>
#
# Build automake based git checkout in branch specific build and install trees.
# That makes it easy to compare build results from different branches.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
# Known to work and tested with
# - git 1.5.3.4
case "$1" in
-V|--version)
echo "$self (@PACKAGE_NAME@) @PACKAGE_VERSION@"
exit 0
;;
esac
USAGE="<command> [params...]"
LONG_USAGE="\
Build automake based git checkout in branch specific build and install trees.
For more details, see the git-amb(1) man page."
. git-sh-setup
require_work_tree
self="$(basename "$0")"
amb_detect_configure() {
for configure_ac in \
"${top_srcdir}/configure.ac" \
"${top_srcdir}/configure.in"
do
if test -s "${configure_ac}"; then
break
fi
configure_ac=""
done
test -z "${configure_ac}" && die "configure.{ac,in} not found"
configure="$top_srcdir/configure"
}
cond_cat_path() {
path="."
for dir
do
if echo "$dir" | grep '^/' > /dev/null; then
path="$dir"
else
path="$path/$dir"
fi
done
echo "$path"
}
amb_init() {
# Equivalent bzr code:
# bzr log -r -1.. | sed -n 's/^branch nick: //p'
if test "x$1" = "x"; then
git_branch="$(git branch | sed -n 's/^* //p')"
elif git branch | sed 's/^[ *] //' | grep "$1" > /dev/null; then
git_branch="${1}"
else
die "Invalid branch \"$1\" given."
fi
test "x.git" = "x$(basename "$GIT_DIR")" || die "GIT_DIR=$GIT_DIR is not foo/.git"
top_srcdir="$(cd_to_toplevel && pwd)"
tmp="$(git-config amb.builddir)" || tmp="$GIT_DIR/amb/build"
top_builddir="$(cond_cat_path "${top_srcdir}" "$tmp" "${git_branch}")"
tmp="$(git-config amb.installdir)" || tmp="$GIT_DIR/amb/install"
top_installdir="$(cond_cat_path "${top_srcdir}" "$tmp" "$git_branch")"
amb_detect_configure
}
amb_autoreconf() {
echo "$self: Running autoreconf for branch ${git_branch}"
autoreconf -vis "$@" "$top_srcdir"
}
amb_cond_autoreconf() {
if test ! -s "$configure" || test "$configure_ac" -nt "$configure"; then
amb_autoreconf
fi
}
amb_configure() {
amb_cond_autoreconf
echo "$self: Running configure for branch ${git_branch}"
mkdir -p "$top_builddir"
cd "$top_builddir"
"$top_srcdir/configure" --prefix="$top_installdir" --enable-maintainer-mode "$@"
}
amb_cond_configure() {
test -s "$top_builddir/Makefile" || amb_configure
}
amb_make() {
amb_cond_configure
echo "$self: Running make for branch ${git_branch}"
cd "$top_builddir"
make "$@"
}
amb_printvars() {
echo "$self: Settings for branch ${git_branch}"
echo "$self: source dir $top_srcdir"
echo "$self: build dir $top_builddir"
echo "$self: install dir $top_installdir"
}
amb_purge() {
echo "$self: Purging branch ${git_branch} build and install"
echo "$self: Purging $top_builddir..."
rm -rf "$top_builddir"
echo "$self: Purging $top_installdir..."
rm -rf "$top_installdir"
echo "$self: Finished."
}
amb_uninstall() {
echo "$self: Uninstalling branch ${git_branch}"
echo "$self: Purging $top_builddir..."
rm -rf "$top_installdir"
echo "$self: Finished."
}
amb_shell() {
if test -d "$top_builddir"; then :; else
die "Build directory does not exist yet: ${top_builddir}"
fi
echo "$self: Starting shell for branch ${git_branch}"
export git_amb_srcdir="top_srcdir"
export git_amb_builddir="top_builddir"
export git_amb_installdir="top_installdir"
amb_printvars
export PS1="\
[Ctrl-D or 'exit' to quit $self shell for branch ${git_branch}]\n\
[<$self> \w]\n\
[<$(echo "$self" | sed 's/./-/g')> \u@\h \W]\$ \
"
cd "$top_builddir" && ${SHELL} "$@"
}
# Abort on error
set -e
# The great command case
command="$1"
if shift; then
case "$command" in
builddir)
amb_init "$@"
echo "$top_builddir"
;;
installdir)
amb_init "$@"
echo "$top_installdir"
;;
autoreconf)
amb_init
amb_autoreconf "$@"
amb_printvars
;;
configure)
amb_init
amb_configure "$@"
amb_printvars
;;
make)
amb_init
amb_make "$@"
amb_printvars
;;
clean)
amb_init "$@"
amb_make clean
amb_printvars
;;
distclean)
amb_init "$@"
amb_make distclean
amb_printvars
;;
purge)
amb_init "$@"
amb_purge
;;
uninstall)
amb_init "$@"
amb_uninstall
;;
sh)
amb_init
amb_shell "$@"
amb_printvars
;;
*)
die "Invalid command line parameter: \"$command\""
;;
esac
else
amb_init
amb_printvars
fi
# End of file.
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