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spawn plan head: offer the plan only the user arguments, never argv[0] (#669) #119

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Merged
ronaldtse merged 1 commit into from
Sep 26, 2026
Merged

spawn plan head: offer the plan only the user arguments, never argv[0] (#669) #119

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38 changes: 37 additions & 1 deletion patches/3.1/process_c_tebako_spawn.patch
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -69,7 +69,7 @@ diff --git a/process.c b/process.c
index 97fa336..f55697e 100644
--- a/process.c
+++ b/process.c
@@ -2834,6 +2834,818 @@ rb_execarg_get(VALUE execarg_obj)
@@ -2834,6 +2834,854 @@ rb_execarg_get(VALUE execarg_obj)
return eargp;
}

Expand Down Expand Up @@ -526,6 +526,24 @@ index 97fa336..f55697e 100644
+ if (RB_TYPE_P(buf, T_STRING)) {
+ args = RSTRING_PTR(buf);
+ args_len = (size_t)RSTRING_LEN(buf);
+ /* argv_buf's first token is the child argv[0]
+ (rb_exec_fillarg packs the full argv); the plan supplies
+ the entry name itself (--tebako-entry), so offer only the
+ user arguments — else the spawned runtime receives the
+ program name as its first argument (tamatebako/tebako#669).
+ A custom argv0 (the [cmd, name] form) is likewise never a
+ user argument. */
+ if (args_len > 0) {
+ size_t head = strlen(args) + 1;
+ if (head < args_len) {
+ args += head;
+ args_len -= head;
+ }
+ else {
+ args = NULL;
+ args_len = 0;
+ }
+ }
+ }
+ if (tfs_spawn_plan_head(eargp, prog, args, args_len)) return;
+ }
Expand Down Expand Up @@ -869,6 +887,24 @@ index 97fa336..f55697e 100644
+ if (RB_TYPE_P(buf, T_STRING)) {
+ args = RSTRING_PTR(buf);
+ args_len = (size_t)RSTRING_LEN(buf);
+ /* argv_buf's first token is the child argv[0]
+ (rb_exec_fillarg packs the full argv); the plan supplies
+ the entry name itself (--tebako-entry), so offer only the
+ user arguments — else the spawned runtime receives the
+ program name as its first argument (tamatebako/tebako#669).
+ A custom argv0 (the [cmd, name] form) is likewise never a
+ user argument. */
+ if (args_len > 0) {
+ size_t head = strlen(args) + 1;
+ if (head < args_len) {
+ args += head;
+ args_len -= head;
+ }
+ else {
+ args = NULL;
+ args_len = 0;
+ }
+ }
+ }
+ if (tfs_spawn_plan_head(eargp, prog, args, args_len)) return;
+ if (tebako_path_is_embedded(prog)) {
Expand Down
38 changes: 37 additions & 1 deletion patches/3.2/process_c_tebako_spawn.patch
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -69,7 +69,7 @@ diff --git a/process.c b/process.c
index 97fa336..f55697e 100644
--- a/process.c
+++ b/process.c
@@ -2834,6 +2834,818 @@ rb_execarg_get(VALUE execarg_obj)
@@ -2834,6 +2834,854 @@ rb_execarg_get(VALUE execarg_obj)
return eargp;
}

Expand Down Expand Up @@ -526,6 +526,24 @@ index 97fa336..f55697e 100644
+ if (RB_TYPE_P(buf, T_STRING)) {
+ args = RSTRING_PTR(buf);
+ args_len = (size_t)RSTRING_LEN(buf);
+ /* argv_buf's first token is the child argv[0]
+ (rb_exec_fillarg packs the full argv); the plan supplies
+ the entry name itself (--tebako-entry), so offer only the
+ user arguments — else the spawned runtime receives the
+ program name as its first argument (tamatebako/tebako#669).
+ A custom argv0 (the [cmd, name] form) is likewise never a
+ user argument. */
+ if (args_len > 0) {
+ size_t head = strlen(args) + 1;
+ if (head < args_len) {
+ args += head;
+ args_len -= head;
+ }
+ else {
+ args = NULL;
+ args_len = 0;
+ }
+ }
+ }
+ if (tfs_spawn_plan_head(eargp, prog, args, args_len)) return;
+ }
Expand Down Expand Up @@ -869,6 +887,24 @@ index 97fa336..f55697e 100644
+ if (RB_TYPE_P(buf, T_STRING)) {
+ args = RSTRING_PTR(buf);
+ args_len = (size_t)RSTRING_LEN(buf);
+ /* argv_buf's first token is the child argv[0]
+ (rb_exec_fillarg packs the full argv); the plan supplies
+ the entry name itself (--tebako-entry), so offer only the
+ user arguments — else the spawned runtime receives the
+ program name as its first argument (tamatebako/tebako#669).
+ A custom argv0 (the [cmd, name] form) is likewise never a
+ user argument. */
+ if (args_len > 0) {
+ size_t head = strlen(args) + 1;
+ if (head < args_len) {
+ args += head;
+ args_len -= head;
+ }
+ else {
+ args = NULL;
+ args_len = 0;
+ }
+ }
+ }
+ if (tfs_spawn_plan_head(eargp, prog, args, args_len)) return;
+ if (tebako_path_is_embedded(prog)) {
Expand Down
38 changes: 37 additions & 1 deletion patches/3.2/process_c_tebako_spawn_msys.patch
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,7 @@ diff --git a/process.c b/process.c
index 97fa336..f55697e 100644
--- a/process.c
+++ b/process.c
@@ -2834,6 +2834,818 @@ rb_execarg_get(VALUE execarg_obj)
@@ -2834,6 +2834,854 @@ rb_execarg_get(VALUE execarg_obj)
return eargp;
}

Expand Down Expand Up @@ -479,6 +479,24 @@ index 97fa336..f55697e 100644
+ if (RB_TYPE_P(buf, T_STRING)) {
+ args = RSTRING_PTR(buf);
+ args_len = (size_t)RSTRING_LEN(buf);
+ /* argv_buf's first token is the child argv[0]
+ (rb_exec_fillarg packs the full argv); the plan supplies
+ the entry name itself (--tebako-entry), so offer only the
+ user arguments — else the spawned runtime receives the
+ program name as its first argument (tamatebako/tebako#669).
+ A custom argv0 (the [cmd, name] form) is likewise never a
+ user argument. */
+ if (args_len > 0) {
+ size_t head = strlen(args) + 1;
+ if (head < args_len) {
+ args += head;
+ args_len -= head;
+ }
+ else {
+ args = NULL;
+ args_len = 0;
+ }
+ }
+ }
+ if (tfs_spawn_plan_head(eargp, prog, args, args_len)) return;
+ }
Expand Down Expand Up @@ -822,6 +840,24 @@ index 97fa336..f55697e 100644
+ if (RB_TYPE_P(buf, T_STRING)) {
+ args = RSTRING_PTR(buf);
+ args_len = (size_t)RSTRING_LEN(buf);
+ /* argv_buf's first token is the child argv[0]
+ (rb_exec_fillarg packs the full argv); the plan supplies
+ the entry name itself (--tebako-entry), so offer only the
+ user arguments — else the spawned runtime receives the
+ program name as its first argument (tamatebako/tebako#669).
+ A custom argv0 (the [cmd, name] form) is likewise never a
+ user argument. */
+ if (args_len > 0) {
+ size_t head = strlen(args) + 1;
+ if (head < args_len) {
+ args += head;
+ args_len -= head;
+ }
+ else {
+ args = NULL;
+ args_len = 0;
+ }
+ }
+ }
+ if (tfs_spawn_plan_head(eargp, prog, args, args_len)) return;
+ if (tebako_path_is_embedded(prog)) {
Expand Down
38 changes: 37 additions & 1 deletion patches/3.3/process_c_tebako_spawn.patch
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -69,7 +69,7 @@ diff --git a/process.c b/process.c
index 97fa336..f55697e 100644
--- a/process.c
+++ b/process.c
@@ -2834,6 +2834,818 @@ rb_execarg_get(VALUE execarg_obj)
@@ -2834,6 +2834,854 @@ rb_execarg_get(VALUE execarg_obj)
return eargp;
}

Expand Down Expand Up @@ -526,6 +526,24 @@ index 97fa336..f55697e 100644
+ if (RB_TYPE_P(buf, T_STRING)) {
+ args = RSTRING_PTR(buf);
+ args_len = (size_t)RSTRING_LEN(buf);
+ /* argv_buf's first token is the child argv[0]
+ (rb_exec_fillarg packs the full argv); the plan supplies
+ the entry name itself (--tebako-entry), so offer only the
+ user arguments — else the spawned runtime receives the
+ program name as its first argument (tamatebako/tebako#669).
+ A custom argv0 (the [cmd, name] form) is likewise never a
+ user argument. */
+ if (args_len > 0) {
+ size_t head = strlen(args) + 1;
+ if (head < args_len) {
+ args += head;
+ args_len -= head;
+ }
+ else {
+ args = NULL;
+ args_len = 0;
+ }
+ }
+ }
+ if (tfs_spawn_plan_head(eargp, prog, args, args_len)) return;
+ }
Expand Down Expand Up @@ -869,6 +887,24 @@ index 97fa336..f55697e 100644
+ if (RB_TYPE_P(buf, T_STRING)) {
+ args = RSTRING_PTR(buf);
+ args_len = (size_t)RSTRING_LEN(buf);
+ /* argv_buf's first token is the child argv[0]
+ (rb_exec_fillarg packs the full argv); the plan supplies
+ the entry name itself (--tebako-entry), so offer only the
+ user arguments — else the spawned runtime receives the
+ program name as its first argument (tamatebako/tebako#669).
+ A custom argv0 (the [cmd, name] form) is likewise never a
+ user argument. */
+ if (args_len > 0) {
+ size_t head = strlen(args) + 1;
+ if (head < args_len) {
+ args += head;
+ args_len -= head;
+ }
+ else {
+ args = NULL;
+ args_len = 0;
+ }
+ }
+ }
+ if (tfs_spawn_plan_head(eargp, prog, args, args_len)) return;
+ if (tebako_path_is_embedded(prog)) {
Expand Down
38 changes: 37 additions & 1 deletion patches/3.3/process_c_tebako_spawn_msys.patch
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,7 @@ diff --git a/process.c b/process.c
index 97fa336..f55697e 100644
--- a/process.c
+++ b/process.c
@@ -2834,6 +2834,818 @@ rb_execarg_get(VALUE execarg_obj)
@@ -2834,6 +2834,854 @@ rb_execarg_get(VALUE execarg_obj)
return eargp;
}

Expand Down Expand Up @@ -479,6 +479,24 @@ index 97fa336..f55697e 100644
+ if (RB_TYPE_P(buf, T_STRING)) {
+ args = RSTRING_PTR(buf);
+ args_len = (size_t)RSTRING_LEN(buf);
+ /* argv_buf's first token is the child argv[0]
+ (rb_exec_fillarg packs the full argv); the plan supplies
+ the entry name itself (--tebako-entry), so offer only the
+ user arguments — else the spawned runtime receives the
+ program name as its first argument (tamatebako/tebako#669).
+ A custom argv0 (the [cmd, name] form) is likewise never a
+ user argument. */
+ if (args_len > 0) {
+ size_t head = strlen(args) + 1;
+ if (head < args_len) {
+ args += head;
+ args_len -= head;
+ }
+ else {
+ args = NULL;
+ args_len = 0;
+ }
+ }
+ }
+ if (tfs_spawn_plan_head(eargp, prog, args, args_len)) return;
+ }
Expand Down Expand Up @@ -822,6 +840,24 @@ index 97fa336..f55697e 100644
+ if (RB_TYPE_P(buf, T_STRING)) {
+ args = RSTRING_PTR(buf);
+ args_len = (size_t)RSTRING_LEN(buf);
+ /* argv_buf's first token is the child argv[0]
+ (rb_exec_fillarg packs the full argv); the plan supplies
+ the entry name itself (--tebako-entry), so offer only the
+ user arguments — else the spawned runtime receives the
+ program name as its first argument (tamatebako/tebako#669).
+ A custom argv0 (the [cmd, name] form) is likewise never a
+ user argument. */
+ if (args_len > 0) {
+ size_t head = strlen(args) + 1;
+ if (head < args_len) {
+ args += head;
+ args_len -= head;
+ }
+ else {
+ args = NULL;
+ args_len = 0;
+ }
+ }
+ }
+ if (tfs_spawn_plan_head(eargp, prog, args, args_len)) return;
+ if (tebako_path_is_embedded(prog)) {
Expand Down
38 changes: 37 additions & 1 deletion patches/3.4/process_c_tebako_spawn.patch
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -69,7 +69,7 @@ diff --git a/process.c b/process.c
index 97fa336..f55697e 100644
--- a/process.c
+++ b/process.c
@@ -2834,6 +2834,818 @@ rb_execarg_get(VALUE execarg_obj)
@@ -2834,6 +2834,854 @@ rb_execarg_get(VALUE execarg_obj)
return eargp;
}

Expand Down Expand Up @@ -526,6 +526,24 @@ index 97fa336..f55697e 100644
+ if (RB_TYPE_P(buf, T_STRING)) {
+ args = RSTRING_PTR(buf);
+ args_len = (size_t)RSTRING_LEN(buf);
+ /* argv_buf's first token is the child argv[0]
+ (rb_exec_fillarg packs the full argv); the plan supplies
+ the entry name itself (--tebako-entry), so offer only the
+ user arguments — else the spawned runtime receives the
+ program name as its first argument (tamatebako/tebako#669).
+ A custom argv0 (the [cmd, name] form) is likewise never a
+ user argument. */
+ if (args_len > 0) {
+ size_t head = strlen(args) + 1;
+ if (head < args_len) {
+ args += head;
+ args_len -= head;
+ }
+ else {
+ args = NULL;
+ args_len = 0;
+ }
+ }
+ }
+ if (tfs_spawn_plan_head(eargp, prog, args, args_len)) return;
+ }
Expand Down Expand Up @@ -869,6 +887,24 @@ index 97fa336..f55697e 100644
+ if (RB_TYPE_P(buf, T_STRING)) {
+ args = RSTRING_PTR(buf);
+ args_len = (size_t)RSTRING_LEN(buf);
+ /* argv_buf's first token is the child argv[0]
+ (rb_exec_fillarg packs the full argv); the plan supplies
+ the entry name itself (--tebako-entry), so offer only the
+ user arguments — else the spawned runtime receives the
+ program name as its first argument (tamatebako/tebako#669).
+ A custom argv0 (the [cmd, name] form) is likewise never a
+ user argument. */
+ if (args_len > 0) {
+ size_t head = strlen(args) + 1;
+ if (head < args_len) {
+ args += head;
+ args_len -= head;
+ }
+ else {
+ args = NULL;
+ args_len = 0;
+ }
+ }
+ }
+ if (tfs_spawn_plan_head(eargp, prog, args, args_len)) return;
+ if (tebako_path_is_embedded(prog)) {
Expand Down
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