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authorPeter Stephenson <p.w.stephenson@ntlworld.com>2020-02-02 18:05:47 +0000
committerPeter Stephenson <p.w.stephenson@ntlworld.com>2020-02-02 18:05:47 +0000
commite01223a26cb7afd9f44805f067c4dcdad06039b0 (patch)
tree55aa836496b6d616fad10e2bfa1015367799de84
parent7a9467e430eb331d28065a21c6427714634eeaa5 (diff)
downloadzsh-e01223a26cb7afd9f44805f067c4dcdad06039b0.tar.gz
zsh-e01223a26cb7afd9f44805f067c4dcdad06039b0.zip
45373: Fix ERR_EXIT bug in else branch of if.
The flags need resetting for this branch otherwise e.g. command substitution with non-zero status doesn't cause exit.
-rw-r--r--ChangeLog5
-rw-r--r--Src/loop.c2
-rw-r--r--Test/C03traps.ztst9
3 files changed, 15 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index d4dbb2e12..663b3e88f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2020-02-02 Peter Stephenson <p.w.stephenson@ntlworld.com>
+
+ * 45373: Src/loop.c, Test/C03traps.ztst: ERR_EXIT failed on
+ command substitution in else branch.
+
2020-02-02 Daniel Shahaf <danielsh@apache.org>
* 45372: Etc/BUGS: Record a symlink loop bug involving :P
diff --git a/Src/loop.c b/Src/loop.c
index 538afb8dc..01abc6cc9 100644
--- a/Src/loop.c
+++ b/Src/loop.c
@@ -570,7 +570,7 @@ execif(Estate state, int do_exec)
if (run) {
/* we need to ignore lastval until we reach execcmd() */
- if (olderrexit)
+ if (olderrexit || run == 2)
noerrexit = olderrexit;
else if (lastval)
noerrexit |= NOERREXIT_EXIT | NOERREXIT_RETURN | NOERREXIT_UNTIL_EXEC;
diff --git a/Test/C03traps.ztst b/Test/C03traps.ztst
index e661aabd5..6f84e5db2 100644
--- a/Test/C03traps.ztst
+++ b/Test/C03traps.ztst
@@ -500,6 +500,15 @@
>Succeed 2
>Succeed 3
+ (set -e
+ if false; then
+ else
+ a=$(false)
+ print This should not appear
+ fi
+ )
+1:ERREXIT is triggered in an else block after a cmd subst returning false
+
fn() {
emulate -L zsh
setopt errreturn