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|
#! @BASH@
# This script is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# See the COPYING and AUTHORS files for more details.
# Read in library functions
if [ "$(type -t patch_file_name)" != function ]
then
if ! [ -r @SCRIPTS@/patchfns ]
then
echo "Cannot read library @SCRIPTS@/patchfns" >&2
exit 1
fi
. @SCRIPTS@/patchfns
fi
usage()
{
printf $"Usage: quilt graph [--all] [--reduce] [--lines[=num]] [--edge-labels=files] [-T ps] [patch]\n"
if [ x$1 = x-h ]
then
printf $"
Generate a dot(1) directed graph showing the dependencies between
applied patches. A patch depends on another patch if both touch the same
file or, with the --lines option, if their modifications overlap. Unless
otherwise specified, the graph includes all patches that the topmost
patch depends on.
When a patch name is specified, instead of the topmost patch, create a
graph for the specified patch. The graph will include all other patches
that this patch depends on, as well as all patches that depend on this
patch.
--all Generate a graph including all applied patches and their
dependencies. (Unapplied patches are not included.)
--reduce
Eliminate transitive edges from the graph.
--lines[=num]
Compute dependencies by looking at the lines the patches modify.
Unless a different num is specified, two lines of context are
included.
--edge-labels=files
Label graph edges with the file names that the adjacent patches
modify.
-T ps Directly produce a PostScript output file.
"
exit 0
else
exit 1
fi
}
options=`getopt -o T:h --long all,reduce,lines::,edge-labels: -- "$@"`
if [ $? -ne 0 ]
then
usage
fi
eval set -- "$options"
while true
do
case "$1" in
-T) if [ "$2" != ps ]; then
usage
fi
opt_format=ps
shift 2 ;;
--all)
opt_all=1
shift ;;
--reduce)
opt_reduce=1
shift ;;
--lines)
opt_lines=${2:-2}
shift 2 ;;
--edge-labels)
if [ "$2" != files ]
then
usage
fi
opt_edge_labels=$2
shift 2 ;;
-h)
usage -h ;;
--)
shift
break ;;
esac
done
if [ $# -gt 1 -o \( $# -ne 0 -a -n "$opt_all" \) ]
then
usage
fi
if [ $# -eq 1 ]
then
if ! patch=$(find_patch $1)
then
printf $"Patch %s is not in series\n" "$1" >&2
exit 1
fi
if ! is_applied $patch
then
printf $"Patch %s is not applied\n" "$(print_patch $patch)" >&2
exit 1
fi
fi
if [ -z "$opt_all" -a -z "$patch" ]
then
patch=$(top_patch)
if [ -z "$patch" ]
then
printf $"No patches applied\n" >&2
exit 1
fi
fi
options=
[ -n "$patch" ] && options="--select-patch $patch"
[ -n "$opt_reduce" ] && options="$options --reduce"
[ "$opt_edge_labels" = files ] && options="$options --edge-files"
[ -n "$opt_lines" ] && options="$options --lines=$opt_lines"
pipe=
[ -n "$opt_format" ] && pipe="| dot -T$opt_format"
applied_patches \
| eval @SCRIPTS@/dependency-graph $options - $pipe
### Local Variables:
### mode: shell-script
### End:
# vim:filetype=sh
|
