Squelch warning about an integer overflow

diff --git a/git-am.sh b/git-am.sh
index e92e5bb121d50d21f104c3f66e90a7c1db5f34a6..ee61a77d717a7210a1cf614914ab62788fd5e4fc 100755 (executable)
--- a/git-am.sh
+++ b/git-am.sh
@@ -4,6 +4,7 @@
 
 SUBDIRECTORY_OK=Yes
 OPTIONS_KEEPDASHDASH=
+OPTIONS_STUCKLONG=t
 OPTIONS_SPEC="\
 git am [options] [(<mbox>|<Maildir>)...]
 git am [options] (--continue | --skip | --abort)
@@ -37,6 +38,7 @@ abort           restore the original branch and abort the patching operation.
 committer-date-is-author-date    lie about committer date
 ignore-date     use current timestamp for author date
 rerere-autoupdate update the index with reused conflict resolution if possible
+S,gpg-sign?     GPG-sign commits
 rebasing*       (internal use for git-rebase)"
 
 . git-sh-setup
@@ -123,7 +125,7 @@ cannot_fallback () {
 }
 
 fall_back_3way () {
-    O_OBJECT=`cd "$GIT_OBJECT_DIRECTORY" && pwd`
+    O_OBJECT=$(cd "$GIT_OBJECT_DIRECTORY" && pwd)
 
     rm -fr "$dotest"/patch-merge-*
     mkdir "$dotest/patch-merge-tmp-dir"
@@ -273,7 +275,7 @@ split_patches () {
                then
                        clean_abort "$(gettext "Only one StGIT patch series can be applied at once")"
                fi
-               series_dir=`dirname "$1"`
+               series_dir=$(dirname "$1")
                series_file="$1"
                shift
                {
@@ -296,8 +298,8 @@ split_patches () {
                this=0
                for stgit in "$@"
                do
-                       this=`expr "$this" + 1`
-                       msgnum=`printf "%0${prec}d" $this`
+                       this=$(expr "$this" + 1)
+                       msgnum=$(printf "%0${prec}d" $this)
                        # Perl version of StGIT parse_patch. The first nonemptyline
                        # not starting with Author, From or Date is the
                        # subject, and the body starts with the next nonempty
@@ -374,6 +376,7 @@ git_apply_opt=
 committer_date_is_author_date=
 ignore_date=
 allow_rerere_autoupdate=
+gpg_sign_opt=
 
 if test "$(git config --bool --get am.keepcr)" = true
 then
@@ -413,14 +416,14 @@ it will be removed. Please do not use it anymore."
                abort=t ;;
        --rebasing)
                rebasing=t threeway=t ;;
-       --resolvemsg)
-               shift; resolvemsg=$1 ;;
-       --whitespace|--directory|--exclude|--include)
-               git_apply_opt="$git_apply_opt $(sq "$1=$2")"; shift ;;
-       -C|-p)
-               git_apply_opt="$git_apply_opt $(sq "$1$2")"; shift ;;
-       --patch-format)
-               shift ; patch_format="$1" ;;
+       --resolvemsg=*)
+               resolvemsg="${1#--resolvemsg=}" ;;
+       --whitespace=*|--directory=*|--exclude=*|--include=*)
+               git_apply_opt="$git_apply_opt $(sq "$1")" ;;
+       -C*|-p*)
+               git_apply_opt="$git_apply_opt $(sq "$1")" ;;
+       --patch-format=*)
+               patch_format="${1#--patch-format=}" ;;
        --reject|--ignore-whitespace|--ignore-space-change)
                git_apply_opt="$git_apply_opt $1" ;;
        --committer-date-is-author-date)
@@ -435,6 +438,10 @@ it will be removed. Please do not use it anymore."
                keepcr=t ;;
        --no-keep-cr)
                keepcr=f ;;
+       --gpg-sign)
+               gpg_sign_opt=-S ;;
+       --gpg-sign=*)
+               gpg_sign_opt="-S${1#--gpg-sign=}" ;;
        --)
                shift; break ;;
        *)
@@ -637,26 +644,26 @@ fi
 git_apply_opt=$(cat "$dotest/apply-opt")
 if test "$(cat "$dotest/sign")" = t
 then
-       SIGNOFF=`git var GIT_COMMITTER_IDENT | sed -e '
+       SIGNOFF=$(git var GIT_COMMITTER_IDENT | sed -e '
                        s/>.*/>/
                        s/^/Signed-off-by: /'
-               `
+               )
 else
        SIGNOFF=
 fi
 
-last=`cat "$dotest/last"`
-this=`cat "$dotest/next"`
+last=$(cat "$dotest/last")
+this=$(cat "$dotest/next")
 if test "$skip" = t
 then
-       this=`expr "$this" + 1`
+       this=$(expr "$this" + 1)
        resume=
 fi
 
 while test "$this" -le "$last"
 do
-       msgnum=`printf "%0${prec}d" $this`
-       next=`expr "$this" + 1`
+       msgnum=$(printf "%0${prec}d" $this)
+       next=$(expr "$this" + 1)
        test -f "$dotest/$msgnum" || {
                resume=
                go_next
@@ -732,16 +739,16 @@ To restore the original branch and stop patching run \"\$cmdline --abort\"."
        '')
            if test '' != "$SIGNOFF"
            then
-               LAST_SIGNED_OFF_BY=`
+               LAST_SIGNED_OFF_BY=$(
                    sed -ne '/^Signed-off-by: /p' \
                    "$dotest/msg-clean" |
                    sed -ne '$p'
-               `
-               ADD_SIGNOFF=`
+               )
+               ADD_SIGNOFF=$(
                    test "$LAST_SIGNED_OFF_BY" = "$SIGNOFF" || {
                    test '' = "$LAST_SIGNED_OFF_BY" && echo
                    echo "$SIGNOFF"
-               }`
+               })
            else
                ADD_SIGNOFF=
            fi
@@ -899,7 +906,8 @@ did you forget to use 'git add'?"
                        GIT_COMMITTER_DATE="$GIT_AUTHOR_DATE"
                        export GIT_COMMITTER_DATE
                fi &&
-               git commit-tree $tree ${parent:+-p} $parent <"$dotest/final-commit"
+               git commit-tree ${parent:+-p} $parent ${gpg_sign_opt:+"$gpg_sign_opt"} $tree  \
+                       <"$dotest/final-commit"
        ) &&
        git update-ref -m "$GIT_REFLOG_ACTION: $FIRSTLINE" HEAD $commit $parent ||
        stop_here $this