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authorDavid Kastrup <dak@gnu.org>2007-09-23 20:42:08 (GMT)
committerJunio C Hamano <gitster@pobox.com>2007-09-23 23:12:00 (GMT)
commit822f7c7349d61f6075961ce42c1bd1a85cf999e5 (patch)
treeae3b0243021d42bf07da00b2d47aa4082a68e720
parentb9fc6ea9efdc988d851666d45d80076839d9c225 (diff)
downloadgit-822f7c7349d61f6075961ce42c1bd1a85cf999e5.zip
git-822f7c7349d61f6075961ce42c1bd1a85cf999e5.tar.gz
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Supplant the "while case ... break ;; esac" idiom
A lot of shell scripts contained stuff starting with while case "$#" in 0) break ;; esac and similar. I consider breaking out of the condition instead of the body od the loop ugly, and the implied "true" value of the non-matching case is not really obvious to humans at first glance. It happens not to be obvious to some BSD shells, either, but that's because they are not POSIX-compliant. In most cases, this has been replaced by a straight condition using "test". "case" has the advantage of being faster than "test" on vintage shells where "test" is not a builtin. Since none of them is likely to run the git scripts, anyway, the added readability should be worth the change. A few loops have had their termination condition expressed differently. Signed-off-by: David Kastrup <dak@gnu.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
-rwxr-xr-xcontrib/examples/git-gc.sh2
-rwxr-xr-xcontrib/examples/git-tag.sh2
-rwxr-xr-xcontrib/examples/git-verify-tag.sh2
-rwxr-xr-xgit-am.sh2
-rwxr-xr-xgit-clean.sh2
-rwxr-xr-xgit-commit.sh2
-rwxr-xr-xgit-fetch.sh2
-rwxr-xr-xgit-filter-branch.sh3
-rwxr-xr-xgit-instaweb.sh2
-rwxr-xr-xgit-ls-remote.sh2
-rwxr-xr-xgit-merge.sh2
-rwxr-xr-xgit-mergetool.sh2
-rwxr-xr-xgit-pull.sh6
-rwxr-xr-xgit-quiltimport.sh2
-rwxr-xr-xgit-rebase--interactive.sh2
-rwxr-xr-xgit-rebase.sh5
-rwxr-xr-xgit-repack.sh2
-rwxr-xr-xgit-reset.sh2
-rwxr-xr-xgit-submodule.sh2
19 files changed, 23 insertions, 23 deletions
diff --git a/contrib/examples/git-gc.sh b/contrib/examples/git-gc.sh
index 2ae235b..1597e9f 100755
--- a/contrib/examples/git-gc.sh
+++ b/contrib/examples/git-gc.sh
@@ -9,7 +9,7 @@ SUBDIRECTORY_OK=Yes
. git-sh-setup
no_prune=:
-while case $# in 0) break ;; esac
+while test $# != 0
do
case "$1" in
--prune)
diff --git a/contrib/examples/git-tag.sh b/contrib/examples/git-tag.sh
index 5ee3f50..ae7c531 100755
--- a/contrib/examples/git-tag.sh
+++ b/contrib/examples/git-tag.sh
@@ -14,7 +14,7 @@ username=
list=
verify=
LINES=0
-while case "$#" in 0) break ;; esac
+while test $# != 0
do
case "$1" in
-a)
diff --git a/contrib/examples/git-verify-tag.sh b/contrib/examples/git-verify-tag.sh
index 37b0023..0902a5c 100755
--- a/contrib/examples/git-verify-tag.sh
+++ b/contrib/examples/git-verify-tag.sh
@@ -5,7 +5,7 @@ SUBDIRECTORY_OK='Yes'
. git-sh-setup
verbose=
-while case $# in 0) break;; esac
+while test $# != 0
do
case "$1" in
-v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
diff --git a/git-am.sh b/git-am.sh
index 6809aa0..b66173c 100755
--- a/git-am.sh
+++ b/git-am.sh
@@ -109,7 +109,7 @@ dotest=.dotest sign= utf8=t keep= skip= interactive= resolved= binary=
resolvemsg= resume=
git_apply_opt=
-while case "$#" in 0) break;; esac
+while test $# != 0
do
case "$1" in
-d=*|--d=*|--do=*|--dot=*|--dote=*|--dotes=*|--dotest=*)
diff --git a/git-clean.sh b/git-clean.sh
index a5cfd9f..4491738 100755
--- a/git-clean.sh
+++ b/git-clean.sh
@@ -26,7 +26,7 @@ rmrf="rm -rf --"
rm_refuse="echo Not removing"
echo1="echo"
-while case "$#" in 0) break ;; esac
+while test $# != 0
do
case "$1" in
-d)
diff --git a/git-commit.sh b/git-commit.sh
index bb113e8..7a7a2cb 100755
--- a/git-commit.sh
+++ b/git-commit.sh
@@ -89,7 +89,7 @@ force_author=
only_include_assumed=
untracked_files=
templatefile="`git config commit.template`"
-while case "$#" in 0) break;; esac
+while test $# != 0
do
case "$1" in
-F|--F|-f|--f|--fi|--fil|--file)
diff --git a/git-fetch.sh b/git-fetch.sh
index c3a2001..e44af2c 100755
--- a/git-fetch.sh
+++ b/git-fetch.sh
@@ -27,7 +27,7 @@ shallow_depth=
no_progress=
test -t 1 || no_progress=--no-progress
quiet=
-while case "$#" in 0) break ;; esac
+while test $# != 0
do
case "$1" in
-a|--a|--ap|--app|--appe|--appen|--append)
diff --git a/git-filter-branch.sh b/git-filter-branch.sh
index a4b6577..a12f6c2 100755
--- a/git-filter-branch.sh
+++ b/git-filter-branch.sh
@@ -105,8 +105,9 @@ filter_tag_name=
filter_subdir=
orig_namespace=refs/original/
force=
-while case "$#" in 0) usage;; esac
+while :
do
+ test $# = 0 && usage
case "$1" in
--)
shift
diff --git a/git-instaweb.sh b/git-instaweb.sh
index b79c6b6..f5629e7 100755
--- a/git-instaweb.sh
+++ b/git-instaweb.sh
@@ -61,7 +61,7 @@ stop_httpd () {
test -f "$fqgitdir/pid" && kill `cat "$fqgitdir/pid"`
}
-while case "$#" in 0) break ;; esac
+while test $# != 0
do
case "$1" in
--stop|stop)
diff --git a/git-ls-remote.sh b/git-ls-remote.sh
index b7e5d04..d56cf92 100755
--- a/git-ls-remote.sh
+++ b/git-ls-remote.sh
@@ -13,7 +13,7 @@ die () {
}
exec=
-while case "$#" in 0) break;; esac
+while test $# != 0
do
case "$1" in
-h|--h|--he|--hea|--head|--heads)
diff --git a/git-merge.sh b/git-merge.sh
index 3a01db0..cde09d4 100755
--- a/git-merge.sh
+++ b/git-merge.sh
@@ -122,7 +122,7 @@ merge_name () {
case "$#" in 0) usage ;; esac
have_message=
-while case "$#" in 0) break ;; esac
+while test $# != 0
do
case "$1" in
-n|--n|--no|--no-|--no-s|--no-su|--no-sum|--no-summ|\
diff --git a/git-mergetool.sh b/git-mergetool.sh
index 47a8055..a0e44f7 100755
--- a/git-mergetool.sh
+++ b/git-mergetool.sh
@@ -268,7 +268,7 @@ merge_file () {
cleanup_temp_files
}
-while case $# in 0) break ;; esac
+while test $# != 0
do
case "$1" in
-t|--tool*)
diff --git a/git-pull.sh b/git-pull.sh
index 5e96d1f..c3f05f5 100755
--- a/git-pull.sh
+++ b/git-pull.sh
@@ -16,7 +16,7 @@ test -z "$(git ls-files -u)" ||
die "You are in the middle of a conflicted merge."
strategy_args= no_summary= no_commit= squash=
-while case "$#,$1" in 0) break ;; *,-*) ;; *) break ;; esac
+while :
do
case "$1" in
-n|--n|--no|--no-|--no-s|--no-su|--no-sum|--no-summ|\
@@ -46,8 +46,8 @@ do
-h|--h|--he|--hel|--help)
usage
;;
- -*)
- # Pass thru anything that is meant for fetch.
+ *)
+ # Pass thru anything that may be meant for fetch.
break
;;
esac
diff --git a/git-quiltimport.sh b/git-quiltimport.sh
index 9de54d1..74a54d5 100755
--- a/git-quiltimport.sh
+++ b/git-quiltimport.sh
@@ -5,7 +5,7 @@ SUBDIRECTORY_ON=Yes
dry_run=""
quilt_author=""
-while case "$#" in 0) break;; esac
+while test $# != 0
do
case "$1" in
--au=*|--aut=*|--auth=*|--autho=*|--author=*)
diff --git a/git-rebase--interactive.sh b/git-rebase--interactive.sh
index abc2b1c..2fa53fd 100755
--- a/git-rebase--interactive.sh
+++ b/git-rebase--interactive.sh
@@ -317,7 +317,7 @@ do_rest () {
done
}
-while case $# in 0) break ;; esac
+while test $# != 0
do
case "$1" in
--continue)
diff --git a/git-rebase.sh b/git-rebase.sh
index 3bd66b0..058fcac 100755
--- a/git-rebase.sh
+++ b/git-rebase.sh
@@ -122,15 +122,14 @@ finish_rb_merge () {
is_interactive () {
test -f "$dotest"/interactive ||
- while case $#,"$1" in 0,|*,-i|*,--interactive) break ;; esac
- do
+ while :; do case $#,"$1" in 0,|*,-i|*,--interactive) break ;; esac
shift
done && test -n "$1"
}
is_interactive "$@" && exec git-rebase--interactive "$@"
-while case "$#" in 0) break ;; esac
+while test $# != 0
do
case "$1" in
--continue)
diff --git a/git-repack.sh b/git-repack.sh
index 156c5e8..0aae1a3 100755
--- a/git-repack.sh
+++ b/git-repack.sh
@@ -9,7 +9,7 @@ SUBDIRECTORY_OK='Yes'
no_update_info= all_into_one= remove_redundant=
local= quiet= no_reuse= extra=
-while case "$#" in 0) break ;; esac
+while test $# != 0
do
case "$1" in
-n) no_update_info=t ;;
diff --git a/git-reset.sh b/git-reset.sh
index 1dc606f..bafeb52 100755
--- a/git-reset.sh
+++ b/git-reset.sh
@@ -11,7 +11,7 @@ require_work_tree
update= reset_type=--mixed
unset rev
-while case $# in 0) break ;; esac
+while test $# != 0
do
case "$1" in
--mixed | --soft | --hard)
diff --git a/git-submodule.sh b/git-submodule.sh
index 3320998..673aa27 100755
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -251,7 +251,7 @@ modules_list()
done
}
-while case "$#" in 0) break ;; esac
+while test $# != 0
do
case "$1" in
add)