mirror of
https://github.com/ceph/ceph
synced 2024-12-23 20:03:56 +00:00
286 lines
8.9 KiB
Bash
Executable File
286 lines
8.9 KiB
Bash
Executable File
#!/bin/bash -
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#
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# File: git-archive-all.sh
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#
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# Description: A utility script that builds an archive file(s) of all
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# git repositories and submodules in the current path.
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# Useful for creating a single tarfile of a git super-
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# project that contains other submodules.
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#
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# Examples: Use git-archive-all.sh to create archive distributions
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# from git repositories. To use, simply do:
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#
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# cd $GIT_DIR; git-archive-all.sh
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#
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# where $GIT_DIR is the root of your git superproject.
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#
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# License: GPL3
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#
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###############################################################################
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#
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###############################################################################
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# DEBUGGING
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set -e
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set -C # noclobber
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# TRAP SIGNALS
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trap 'cleanup' QUIT EXIT
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# For security reasons, explicitly set the internal field separator
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# to newline, space, tab
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OLD_IFS=$IFS
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IFS='
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'
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function cleanup () {
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rm -f $TMPFILE
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rm -f $TOARCHIVE
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IFS="$OLD_IFS"
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}
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function usage () {
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echo "Usage is as follows:"
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echo
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echo "$PROGRAM <--version>"
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echo " Prints the program version number on a line by itself and exits."
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echo
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echo "$PROGRAM <--usage|--help|-?>"
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echo " Prints this usage output and exits."
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echo
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echo "$PROGRAM [--format <fmt>] [--prefix <path>] [--verbose|-v] [--separate|-s]"
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echo " [--tree-ish|-t <tree-ish>] [--ignore pattern] [output_file]"
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echo " Creates an archive for the entire git superproject, and its submodules"
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echo " using the passed parameters, described below."
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echo
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echo " If '--format' is specified, the archive is created with the named"
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echo " git archiver backend. Obviously, this must be a backend that git archive"
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echo " understands. The format defaults to 'tar' if not specified."
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echo
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echo " If '--prefix' is specified, the archive's superproject and all submodules"
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echo " are created with the <path> prefix named. The default is to not use one."
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echo
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echo " If '--separate' or '-s' is specified, individual archives will be created"
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echo " for each of the superproject itself and its submodules. The default is to"
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echo " concatenate individual archives into one larger archive."
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echo
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echo " If '--tree-ish' is specified, the archive will be created based on whatever"
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echo " you define the tree-ish to be. Branch names, commit hash, etc. are acceptable."
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echo " Defaults to HEAD if not specified. See git archive's documentation for more"
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echo " information on what a tree-ish is."
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echo
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echo " If '--ignore' is specified, we will filter out any submodules that"
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echo " match the specified pattern."
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echo
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echo " If 'output_file' is specified, the resulting archive is created as the"
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echo " file named. This parameter is essentially a path that must be writeable."
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echo " When combined with '--separate' ('-s') this path must refer to a directory."
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echo " Without this parameter or when combined with '--separate' the resulting"
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echo " archive(s) are named with a dot-separated path of the archived directory and"
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echo " a file extension equal to their format (e.g., 'superdir.submodule1dir.tar')."
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echo
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echo " If '--verbose' or '-v' is specified, progress will be printed."
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}
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function version () {
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echo "$PROGRAM version $VERSION"
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}
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# Internal variables and initializations.
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readonly PROGRAM=`basename "$0"`
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readonly VERSION=0.2
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OLD_PWD="`pwd`"
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TMPDIR=${TMPDIR:-/tmp}
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TMPFILE=`mktemp "$TMPDIR/$PROGRAM.XXXXXX"` # Create a place to store our work's progress
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TOARCHIVE=`mktemp "$TMPDIR/$PROGRAM.toarchive.XXXXXX"`
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OUT_FILE=$OLD_PWD # assume "this directory" without a name change by default
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SEPARATE=0
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VERBOSE=0
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TARCMD=tar
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[[ $(uname) == "Darwin" ]] && TARCMD=gnutar
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FORMAT=tar
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PREFIX=
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TREEISH=HEAD
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IGNORE=
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# RETURN VALUES/EXIT STATUS CODES
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readonly E_BAD_OPTION=254
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readonly E_UNKNOWN=255
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# Process command-line arguments.
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while test $# -gt 0; do
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case $1 in
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--format )
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shift
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FORMAT="$1"
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shift
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;;
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--prefix )
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shift
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PREFIX="$1"
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shift
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;;
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--separate | -s )
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shift
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SEPARATE=1
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;;
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--tree-ish | -t )
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shift
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TREEISH="$1"
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shift
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;;
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--ignore )
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shift
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IGNORE="$1"
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shift
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;;
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--version )
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version
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exit
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;;
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--verbose | -v )
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shift
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VERBOSE=1
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;;
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-? | --usage | --help )
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usage
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exit
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;;
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-* )
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echo "Unrecognized option: $1" >&2
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usage
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exit $E_BAD_OPTION
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;;
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* )
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break
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;;
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esac
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done
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if [ ! -z "$1" ]; then
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OUT_FILE="$1"
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shift
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fi
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# Validate parameters; error early, error often.
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if [ $SEPARATE -eq 1 -a ! -d $OUT_FILE ]; then
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echo "When creating multiple archives, your destination must be a directory."
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echo "If it's not, you risk being surprised when your files are overwritten."
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exit
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elif [ `git config -l | grep -q '^core\.bare=false'; echo $?` -ne 0 ]; then
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echo "$PROGRAM must be run from a git working copy (i.e., not a bare repository)."
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exit
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fi
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# Create the superproject's git-archive
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if [ $VERBOSE -eq 1 ]; then
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echo -n "creating superproject archive..."
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fi
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git archive --format=$FORMAT --prefix="$PREFIX" $TREEISH > $TMPDIR/$(basename "$(pwd)").$FORMAT
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if [ $VERBOSE -eq 1 ]; then
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echo "done"
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fi
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echo $TMPDIR/$(basename "$(pwd)").$FORMAT >| $TMPFILE # clobber on purpose
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superfile=`head -n 1 $TMPFILE`
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if [ $VERBOSE -eq 1 ]; then
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echo -n "looking for subprojects..."
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fi
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# find all '.git' dirs, these show us the remaining to-be-archived dirs
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# we only want directories that are below the current directory
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find . -mindepth 2 -name '.git' -type d -print | sed -e 's/^\.\///' -e 's/\.git$//' >> $TOARCHIVE
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# as of version 1.7.8, git places the submodule .git directories under the superprojects .git dir
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# the submodules get a .git file that points to their .git dir. we need to find all of these too
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find . -mindepth 2 -name '.git' -type f -print | xargs grep -l "gitdir" | sed -e 's/^\.\///' -e 's/\.git$//' >> $TOARCHIVE
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if [ -n "$IGNORE" ]; then
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cat $TOARCHIVE | grep -v $IGNORE > $TOARCHIVE.new
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mv $TOARCHIVE.new $TOARCHIVE
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fi
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if [ $VERBOSE -eq 1 ]; then
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echo "done"
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echo " found:"
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cat $TOARCHIVE | while read arch
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do
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echo " $arch"
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done
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fi
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if [ $VERBOSE -eq 1 ]; then
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echo -n "archiving submodules..."
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fi
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while read path; do
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TREEISH=$(git submodule | grep "^ .*${path%/} " | cut -d ' ' -f 2) # git submodule does not list trailing slashes in $path
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cd "$path"
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git archive --format=$FORMAT --prefix="${PREFIX}$path" ${TREEISH:-HEAD} > "$TMPDIR"/"$(echo "$path" | sed -e 's/\//./g')"$FORMAT
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if [ $FORMAT == 'zip' ]; then
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# delete the empty directory entry; zipped submodules won't unzip if we don't do this
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zip -d "$(tail -n 1 $TMPFILE)" "${PREFIX}${path%/}" >/dev/null # remove trailing '/'
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fi
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echo "$TMPDIR"/"$(echo "$path" | sed -e 's/\//./g')"$FORMAT >> $TMPFILE
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cd "$OLD_PWD"
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done < $TOARCHIVE
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if [ $VERBOSE -eq 1 ]; then
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echo "done"
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fi
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if [ $VERBOSE -eq 1 ]; then
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echo -n "concatenating archives into single archive..."
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fi
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# Concatenate archives into a super-archive.
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if [ $SEPARATE -eq 0 ]; then
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if [ $FORMAT == 'tar' ]; then
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sed -e '1d' $TMPFILE | while read file; do
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$TARCMD --concatenate -f "$superfile" "$file" && rm -f "$file"
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done
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elif [ $FORMAT == 'zip' ]; then
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sed -e '1d' $TMPFILE | while read file; do
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# zip incorrectly stores the full path, so cd and then grow
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cd `dirname "$file"`
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zip -g "$superfile" `basename "$file"` && rm -f "$file"
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done
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cd "$OLD_PWD"
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fi
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echo "$superfile" >| $TMPFILE # clobber on purpose
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fi
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if [ $VERBOSE -eq 1 ]; then
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echo "done"
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fi
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if [ $VERBOSE -eq 1 ]; then
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echo -n "moving archive to $OUT_FILE..."
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fi
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while read file; do
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mv "$file" "$OUT_FILE"
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done < $TMPFILE
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if [ $VERBOSE -eq 1 ]; then
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echo "done"
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fi
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