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rsync 3.2.3

    1: #!/bin/sh -e
    2: 
    3: # This script will setup the build dir based on the current git branch and the
    4: # directory auto-build-save/$BRANCH.  We don't use a symlink for the build dir
    5: # because we want to maximize the ccache reuse, so all builds must happen in
    6: # the same real dir.  When a dir is moved out of auto-build-save/$BRANCH to the
    7: # build dir, it is replaced with a symlink so that it can still be found under
    8: # that dir.  The build dir also gets a .branch -> $BRANCH symlink so that we
    9: # can figure out the current build dir's branch.
   10: 
   11: # To get started, just clone the rsync git repo and create the auto-build-save
   12: # dir.  If you have an existing git checkout and it is not in a pristine state,
   13: # run "make distclean" before creating the auto-build-save dir.
   14: 
   15: auto_top='auto-build-save'
   16: if test -d $auto_top -a -d .git; then
   17:     desired_branch=`git rev-parse --abbrev-ref HEAD | tr / %`
   18:     if test "$desired_branch" = HEAD; then
   19: 	echo "ERROR: switch to the right build dir manually when in detached HEAD mode." 1>&2
   20: 	exit 1
   21:     fi
   22:     auto_dir="$auto_top/$desired_branch"
   23:     if test -d build; then
   24: 	cur_branch=`readlink build/.branch`
   25:     else
   26: 	cur_branch='/'
   27:     fi
   28:     if test "$desired_branch" != "$cur_branch"; then
   29: 	if test "$cur_branch" != /; then
   30: 	    rm -f "$auto_top/$cur_branch"
   31: 	    mv build "$auto_top/$cur_branch"
   32: 	fi
   33: 	test -d "$auto_dir" || mkdir "$auto_dir"
   34: 	test -h "$auto_dir/.branch" || ln -s "$desired_branch" "$auto_dir/.branch"
   35: 	mv "$auto_dir" build
   36: 	ln -s ../build "$auto_dir"
   37:     fi
   38:     if test ! -h Makefile; then
   39: 	rm -f Makefile
   40: 	ln -s packaging/auto-Makefile Makefile
   41:     fi
   42:     echo $desired_branch
   43: fi