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authorStefan Beller <sbeller@google.com>2016-06-01 00:27:59 (GMT)
committerJunio C Hamano <gitster@pobox.com>2016-06-01 18:32:53 (GMT)
commit44431df02459ec6c4d8c705dd15f376015407043 (patch)
tree0096ecbdc8ba778417223f98e647ee0ad5a2c759
parentb0f4b4084626ab0f87611acd89030e8bdf0b850e (diff)
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submodule: remove bashism from shell script
Junio pointed out `relative_path` was using bashisms via the local variables. As the longer term goal is to rewrite most of the submodule code in C, do it now. Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
-rw-r--r--builtin/submodule--helper.c12
-rwxr-xr-xgit-submodule.sh51
2 files changed, 20 insertions, 43 deletions
diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index f0b2c4f..926d205 100644
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -831,6 +831,17 @@ static int update_clone(int argc, const char **argv, const char *prefix)
return 0;
}
+static int resolve_relative_path(int argc, const char **argv, const char *prefix)
+{
+ struct strbuf sb = STRBUF_INIT;
+ if (argc != 3)
+ die("submodule--helper relative_path takes exactly 2 arguments, got %d", argc);
+
+ printf("%s", relative_path(argv[1], argv[2], &sb));
+ strbuf_release(&sb);
+ return 0;
+}
+
struct cmd_struct {
const char *cmd;
int (*fn)(int, const char **, const char *);
@@ -841,6 +852,7 @@ static struct cmd_struct commands[] = {
{"name", module_name},
{"clone", module_clone},
{"update-clone", update_clone},
+ {"relative-path", resolve_relative_path},
{"resolve-relative-url", resolve_relative_url},
{"resolve-relative-url-test", resolve_relative_url_test},
{"init", module_init}
diff --git a/git-submodule.sh b/git-submodule.sh
index fadbe5d..7fe8a51 100755
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -46,41 +46,6 @@ prefix=
custom_name=
depth=
-# Resolve a path to be relative to another path. This is intended for
-# converting submodule paths when git-submodule is run in a subdirectory
-# and only handles paths where the directory separator is '/'.
-#
-# The output is the first argument as a path relative to the second argument,
-# which defaults to $wt_prefix if it is omitted.
-relative_path ()
-{
- local target curdir result
- target=$1
- curdir=${2-$wt_prefix}
- curdir=${curdir%/}
- result=
-
- while test -n "$curdir"
- do
- case "$target" in
- "$curdir/"*)
- target=${target#"$curdir"/}
- break
- ;;
- esac
-
- result="${result}../"
- if test "$curdir" = "${curdir%/*}"
- then
- curdir=
- else
- curdir="${curdir%/*}"
- fi
- done
-
- echo "$result$target"
-}
-
die_if_unmatched ()
{
if test "$1" = "#unmatched"
@@ -354,14 +319,14 @@ cmd_foreach()
die_if_unmatched "$mode"
if test -e "$sm_path"/.git
then
- displaypath=$(relative_path "$prefix$sm_path")
+ displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
say "$(eval_gettext "Entering '\$displaypath'")"
name=$(git submodule--helper name "$sm_path")
(
prefix="$prefix$sm_path/"
sanitize_submodule_env
cd "$sm_path" &&
- sm_path=$(relative_path "$sm_path") &&
+ sm_path=$(git submodule--helper relative-path "$sm_path" "$wt_prefix") &&
# we make $path available to scripts ...
path=$sm_path &&
if test $# -eq 1
@@ -465,7 +430,7 @@ cmd_deinit()
die_if_unmatched "$mode"
name=$(git submodule--helper name "$sm_path") || exit
- displaypath=$(relative_path "$sm_path")
+ displaypath=$(git submodule--helper relative-path "$sm_path" "$wt_prefix")
# Remove the submodule work tree (unless the user already did it)
if test -d "$sm_path"
@@ -629,7 +594,7 @@ cmd_update()
fi
fi
- displaypath=$(relative_path "$prefix$sm_path")
+ displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
if test $just_cloned -eq 1
then
@@ -723,7 +688,7 @@ cmd_update()
if test -n "$recursive"
then
(
- prefix=$(relative_path "$prefix$sm_path/")
+ prefix=$(git submodule--helper relative-path "$prefix$sm_path/" "$wt_prefix")
wt_prefix=
sanitize_submodule_env
cd "$sm_path" &&
@@ -907,7 +872,7 @@ cmd_summary() {
! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_dst^0 >/dev/null &&
missing_dst=t
- display_name=$(relative_path "$name")
+ display_name=$(git submodule--helper relative-path "$name" "$wt_prefix")
total_commits=
case "$missing_src,$missing_dst" in
@@ -1028,7 +993,7 @@ cmd_status()
die_if_unmatched "$mode"
name=$(git submodule--helper name "$sm_path") || exit
url=$(git config submodule."$name".url)
- displaypath=$(relative_path "$prefix$sm_path")
+ displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
if test "$stage" = U
then
say "U$sha1 $displaypath"
@@ -1131,7 +1096,7 @@ cmd_sync()
if git config "submodule.$name.url" >/dev/null 2>/dev/null
then
- displaypath=$(relative_path "$prefix$sm_path")
+ displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
say "$(eval_gettext "Synchronizing submodule url for '\$displaypath'")"
git config submodule."$name".url "$super_config_url"