guilt-guard will assign guards to a patch. They work so that:
* Patches with no guards are always pushed.
* Patches with positive guards (i.e. +foo) are pushed *only if* the
guard is selected.
* Patches with negative guards (i.e. -foo) are pushed *unless* the
guard is selected.
Signed-off-by: Eric Lesh <eclesh@xxxxxxxx>
---
Documentation/guilt-guards.txt | 40 +++++++++++++++++++++++++
guilt | 58 ++++++++++++++++++++++++++++++++++++
guilt-guards | 63 ++++++++++++++++++++++++++++++++++++++++
3 files changed, 161 insertions(+), 0 deletions(-)
create mode 100644 Documentation/guilt-guards.txt
create mode 100755 guilt-guards
diff --git a/Documentation/guilt-guards.txt b/Documentation/guilt-guards.txt
new file mode 100644
index 0000000..f5ac537
--- /dev/null
+++ b/Documentation/guilt-guards.txt
@@ -0,0 +1,40 @@
+guilt-guards(1)
+===============
+
+NAME
+----
+guilt-guards - Assign guards to patches
+
+SYNOPSIS
+--------
+include::usage-guilt-guards.txt[]
+
+DESCRIPTION
+-----------
+Assign guards to the specified patch, or to the patch on top of the
+stack if no patch is given on the command line.
+
+An unguarded patch is always pushed.
+
+A positive guard begins with a +. A patch with a positive guard is
+pushed *only if* the guard is selected.
+
+A negative guard begins with a -. A patch with a negative guard is
+always pushed, *unless* the guard is selected.
+
+OPTIONS
+-------
+-l|--list::
+ List all patches and their guards
+-n|--none::
+ Remove all guards from a patch
+
+Author
+------
+Written by Eric Lesh <eclesh@xxxxxxxx>
+
+Documentation
+-------------
+Documentation by Eric Lesh <eclesh@xxxxxxxx>
+
+include::footer.txt[]
diff --git a/guilt b/guilt
index 774909e..b2767ea 100755
--- a/guilt
+++ b/guilt
@@ -182,6 +182,64 @@ get_series()
grep -ve '^[[:space:]]*\(#.*\)*$' < "$series" | sed -e 's/[[:space:]]*#.*$//'
}
+get_guarded_series()
+{
+ get_series | while read p
+ do
+ [ -z `check_guards $p` ] && echo "$p"
+ done
+}
+
+# usage: check_guards <patch>
+# Returns t if the patch should be skipped
+check_guards()
+{
+ get_guards "$1" | while read guard
+ do
+ pos=`echo $guard | grep -e "^+"`
+ guard=`echo $guard | sed -e 's/[+-]//'`
+ if [ $pos ]; then
+ # Push +guard *only if* guard selected
+ push=`grep -e "^$guard\$" "$guards_file" > /dev/null; echo $?`
+ [ $push -ne 0 ] && echo t
+ else
+ # Push -guard *unless* guard selected
+ push=`grep -e "^$guard\$" "$guards_file" > /dev/null; echo $?`
+ [ $push -eq 0 ] && echo t
+ fi
+ done
+}
+
+# usage: get_guards <patch>
+get_guards()
+{
+ grep -e "^$1[[:space:]]*#" < "$series" | sed -e "s/^$1 //" -e 's/#[^+-]*//g'
+}
+
+# usage: set_guards <patch> <guards>
+set_guards()
+{
+ p="$1"
+ shift
+ for x in "$@"; do
+ if [ -z $(echo "$x" | grep -e "^[+-]") ]; then
+ echo "'$x' is not a valid guard name"
+ else
+ sed -i -e "s/^\($p[[:space:]]*.*\)$/\1 #$x/" "$series"
+ fi
+ done
+}
+
+# usage: unset_guards <patch> <guards>
+unset_guards()
+{
+ p="$1"
+ shift
+ for x in "$@"; do
+ sed -i -e "/^$p[[:space:]]/s/ #$x//" "$series"
+ done
+}
+
# usage: do_make_header <hash>
do_make_header()
{
diff --git a/guilt-guards b/guilt-guards
new file mode 100755
index 0000000..71df4f8
--- /dev/null
+++ b/guilt-guards
@@ -0,0 +1,63 @@
+#!/bin/sh
+#
+# Copyright (c) Eric Lesh, 2007
+#
+
+USAGE="[-l|--list] [-n|--none] [<patchname>] [+<guard>] [-<guard>]"
+. guilt
+
+print_guards()
+{
+ guards=`get_guards "$1"`
+ echo "$1: $guards"
+}
+
+if [ "$1" == "-l" ] || [ "$1" == "--list" ]; then
+ get_series | while read patch; do
+ print_guards "$patch"
+ done
+ exit 0
+elif [ "$1" == "-n" ] || [ "$1" == "--none" ]; then
+ patch="$2"
+ if [ -z "$patch" ]; then
+ patch=`get_top`
+ fi
+ unset_guards "$patch" `get_guards "$patch"`
+ exit 0
+fi
+
+case $# in
+ 0)
+ if [ ! -s "$applied" ]; then
+ die "No patches applied."
+ fi
+ print_guards `get_top`
+ ;;
+ 1)
+ if [ -z $(echo $1 | grep -e '^[+-]') ]; then
+ if [ -z $(get_series | grep -e "^$1\$") ]; then
+ die "Patch $1 does not exist"
+ else
+ print_guards "$1"
+ fi
+ else
+ p=`get_top`
+ unset_guards "$p" `get_guards "$p"`
+ set_guards "$p" "$1"
+ fi
+ ;;
+ *)
+ if [ -z $(echo $1 | grep -e '^[+-]') ]; then
+ if [ -z $(get_series | grep -e "^$1\$") ]; then
+ die "Patch $1 does not exist"
+ else
+ patch="$1"
+ fi
+ shift
+ else
+ patch=`get_top`
+ fi
+ unset_guards "$patch" `get_guards "$patch"`
+ set_guards "$patch" "$@"
+ ;;
+esac
--
1.5.2
-
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