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authorMark Wooding <mdw@distorted.org.uk>2006-04-13 22:01:24 (GMT)
committerJunio C Hamano <junkio@cox.net>2006-04-13 23:45:48 (GMT)
commitf327dbced25a3c6fcc0b84d2d6adffa9343b09f0 (patch)
tree9725761748a6282d0be75879546ddf72d98b2501 /git-parse-remote.sh
parent2283645b85dc91ca958b05066511083255a8612a (diff)
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Shell utilities: Guard against expr' magic tokens.
Some words, e.g., `match', are special to expr(1), and cause strange parsing effects. Track down all uses of expr and mangle the arguments so that this isn't a problem. Signed-off-by: Mark Wooding <mdw@distorted.org.uk> Signed-off-by: Junio C Hamano <junkio@cox.net>
Diffstat (limited to 'git-parse-remote.sh')
-rwxr-xr-xgit-parse-remote.sh20
1 files changed, 10 insertions, 10 deletions
diff --git a/git-parse-remote.sh b/git-parse-remote.sh
index 63f2281..65c66d5 100755
--- a/git-parse-remote.sh
+++ b/git-parse-remote.sh
@@ -8,8 +8,8 @@ get_data_source () {
case "$1" in
*/*)
# Not so fast. This could be the partial URL shorthand...
- token=$(expr "$1" : '\([^/]*\)/')
- remainder=$(expr "$1" : '[^/]*/\(.*\)')
+ token=$(expr "z$1" : 'z\([^/]*\)/')
+ remainder=$(expr "z$1" : 'z[^/]*/\(.*\)')
if test -f "$GIT_DIR/branches/$token"
then
echo branches-partial
@@ -43,8 +43,8 @@ get_remote_url () {
branches)
sed -e 's/#.*//' "$GIT_DIR/branches/$1" ;;
branches-partial)
- token=$(expr "$1" : '\([^/]*\)/')
- remainder=$(expr "$1" : '[^/]*/\(.*\)')
+ token=$(expr "z$1" : 'z\([^/]*\)/')
+ remainder=$(expr "z$1" : 'z[^/]*/\(.*\)')
url=$(sed -e 's/#.*//' "$GIT_DIR/branches/$token")
echo "$url/$remainder"
;;
@@ -77,13 +77,13 @@ canon_refs_list_for_fetch () {
force=
case "$ref" in
+*)
- ref=$(expr "$ref" : '\+\(.*\)')
+ ref=$(expr "z$ref" : 'z\+\(.*\)')
force=+
;;
esac
- expr "$ref" : '.*:' >/dev/null || ref="${ref}:"
- remote=$(expr "$ref" : '\([^:]*\):')
- local=$(expr "$ref" : '[^:]*:\(.*\)')
+ expr "z$ref" : 'z.*:' >/dev/null || ref="${ref}:"
+ remote=$(expr "z$ref" : 'z\([^:]*\):')
+ local=$(expr "z$ref" : 'z[^:]*:\(.*\)')
case "$remote" in
'') remote=HEAD ;;
refs/heads/* | refs/tags/* | refs/remotes/*) ;;
@@ -97,7 +97,7 @@ canon_refs_list_for_fetch () {
*) local="refs/heads/$local" ;;
esac
- if local_ref_name=$(expr "$local" : 'refs/\(.*\)')
+ if local_ref_name=$(expr "z$local" : 'zrefs/\(.*\)')
then
git-check-ref-format "$local_ref_name" ||
die "* refusing to create funny ref '$local_ref_name' locally"
@@ -171,7 +171,7 @@ get_remote_refs_for_fetch () {
resolve_alternates () {
# original URL (xxx.git)
- top_=`expr "$1" : '\([^:]*:/*[^/]*\)/'`
+ top_=`expr "z$1" : 'z\([^:]*:/*[^/]*\)/'`
while read path
do
case "$path" in