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-rw-r--r--Src/exec.c18
-rw-r--r--Src/options.c1
-rw-r--r--Src/zsh.h1
3 files changed, 19 insertions, 1 deletions
diff --git a/Src/exec.c b/Src/exec.c
index d65c0a91e..487838a25 100644
--- a/Src/exec.c
+++ b/Src/exec.c
@@ -865,6 +865,22 @@ execlist(Estate state, int dont_change_job, int exiting)
* semi-colon or ampersand (`sublists'). */
code = *state->pc++;
while (wc_code(code) == WC_LIST && !breaks && !retflag) {
+ int donedebug;
+ if (sigtrapped[SIGDEBUG] && isset(DEBUGBEFORECMD)) {
+ exiting = donetrap;
+ ret = lastval;
+ dotrap(SIGDEBUG);
+ lastval = ret;
+ donetrap = exiting;
+ noerrexit = oldnoerrexit;
+ /*
+ * Only execute the trap once per sublist, even
+ * if the DEBUGBEFORECMD option changes.
+ */
+ donedebug = 1;
+ } else
+ donedebug = 0;
+
ltype = WC_LIST_TYPE(code);
csp = cmdsp;
@@ -969,7 +985,7 @@ sublist_done:
noerrexit = oldnoerrexit;
- if (sigtrapped[SIGDEBUG]) {
+ if (sigtrapped[SIGDEBUG] && !isset(DEBUGBEFORECMD) && !donedebug) {
exiting = donetrap;
ret = lastval;
dotrap(SIGDEBUG);
diff --git a/Src/options.c b/Src/options.c
index 821773d2f..d5e5ee552 100644
--- a/Src/options.c
+++ b/Src/options.c
@@ -108,6 +108,7 @@ static struct optname optns[] = {
{{NULL, "cshjunkiequotes", OPT_EMULATE|OPT_CSH}, CSHJUNKIEQUOTES},
{{NULL, "cshnullcmd", OPT_EMULATE|OPT_CSH}, CSHNULLCMD},
{{NULL, "cshnullglob", OPT_EMULATE|OPT_CSH}, CSHNULLGLOB},
+{{NULL, "debugbeforecmd", OPT_EMULATE}, DEBUGBEFORECMD},
{{NULL, "emacs", 0}, EMACSMODE},
{{NULL, "equals", OPT_EMULATE|OPT_ZSH}, EQUALS},
{{NULL, "errexit", OPT_EMULATE}, ERREXIT},
diff --git a/Src/zsh.h b/Src/zsh.h
index 2f627a37f..6f70fd0df 100644
--- a/Src/zsh.h
+++ b/Src/zsh.h
@@ -1602,6 +1602,7 @@ enum {
CSHJUNKIEQUOTES,
CSHNULLCMD,
CSHNULLGLOB,
+ DEBUGBEFORECMD,
EMACSMODE,
EQUALS,
ERREXIT,