[pacman-dev] [PATCH] hooks: warn if reassignment overwrites previous setting
Stefan Klinger
git at stefan-klinger.de
Mon Jan 2 15:19:37 UTC 2017
In hook definition files, repeated assignment to Description, Exec,
Type, and When silently overwrote previous settings. This yields a
warning now.
Signed-off-by: Stefan Klinger <git at stefan-klinger.de>
---
lib/libalpm/hook.c | 16 +++++++++++++++-
test/pacman/tests/TESTS | 4 ++++
test/pacman/tests/hook-description-reused.py | 23 +++++++++++++++++++++++
test/pacman/tests/hook-exec-reused.py | 22 ++++++++++++++++++++++
test/pacman/tests/hook-type-reused.py | 22 ++++++++++++++++++++++
test/pacman/tests/hook-when-reused.py | 22 ++++++++++++++++++++++
6 files changed, 108 insertions(+), 1 deletion(-)
create mode 100644 test/pacman/tests/hook-description-reused.py
create mode 100644 test/pacman/tests/hook-exec-reused.py
create mode 100644 test/pacman/tests/hook-type-reused.py
create mode 100644 test/pacman/tests/hook-when-reused.py
diff --git a/lib/libalpm/hook.c b/lib/libalpm/hook.c
index 4ec2a906..dd20a55c 100644
--- a/lib/libalpm/hook.c
+++ b/lib/libalpm/hook.c
@@ -267,6 +267,7 @@ static int _alpm_hook_parse_cb(const char *file, int line,
struct _alpm_hook_t *hook = ctx->hook;
#define error(...) _alpm_log(handle, ALPM_LOG_ERROR, __VA_ARGS__); return 1;
+#define warning(...) _alpm_log(handle, ALPM_LOG_WARNING, __VA_ARGS__);
if(!section && !key) {
error(_("error while reading hook %s: %s\n"), file, strerror(errno));
@@ -296,6 +297,9 @@ static int _alpm_hook_parse_cb(const char *file, int line,
error(_("hook %s line %d: invalid value %s\n"), file, line, value);
}
} else if(strcmp(key, "Type") == 0) {
+ if(t->type != 0) {
+ warning(_("hook %s line %d: overwriting previous definition of %s\n"), file, line, "Type");
+ }
if(strcmp(value, "Package") == 0) {
t->type = ALPM_HOOK_TYPE_PACKAGE;
} else if(strcmp(value, "File") == 0) {
@@ -312,6 +316,9 @@ static int _alpm_hook_parse_cb(const char *file, int line,
}
} else if(strcmp(section, "Action") == 0) {
if(strcmp(key, "When") == 0) {
+ if(hook->when != 0) {
+ warning(_("hook %s line %d: overwriting previous definition of %s\n"), file, line, "When");
+ }
if(strcmp(value, "PreTransaction") == 0) {
hook->when = ALPM_HOOK_PRE_TRANSACTION;
} else if(strcmp(value, "PostTransaction") == 0) {
@@ -320,6 +327,9 @@ static int _alpm_hook_parse_cb(const char *file, int line,
error(_("hook %s line %d: invalid value %s\n"), file, line, value);
}
} else if(strcmp(key, "Description") == 0) {
+ if(hook->desc != NULL) {
+ warning(_("hook %s line %d: overwriting previous definition of %s\n"), file, line, "Description");
+ }
STRDUP(hook->desc, value, return 1);
} else if(strcmp(key, "Depends") == 0) {
char *val;
@@ -330,12 +340,15 @@ static int _alpm_hook_parse_cb(const char *file, int line,
} else if(strcmp(key, "NeedsTargets") == 0) {
hook->needs_targets = 1;
} else if(strcmp(key, "Exec") == 0) {
+ if(hook->cmd != NULL) {
+ warning(_("hook %s line %d: overwriting previous definition of %s\n"), file, line, "Exec");
+ }
if((hook->cmd = _alpm_wordsplit(value)) == NULL) {
if(errno == EINVAL) {
error(_("hook %s line %d: invalid value %s\n"), file, line, value);
} else {
error(_("hook %s line %d: unable to set option (%s)\n"),
- file, line, strerror(errno));
+ file, line, strerror(errno));
}
}
} else {
@@ -344,6 +357,7 @@ static int _alpm_hook_parse_cb(const char *file, int line,
}
#undef error
+#undef warning
return 0;
}
diff --git a/test/pacman/tests/TESTS b/test/pacman/tests/TESTS
index 11d1c38c..dd191175 100644
--- a/test/pacman/tests/TESTS
+++ b/test/pacman/tests/TESTS
@@ -54,6 +54,8 @@ TESTS += test/pacman/tests/fileconflict030.py
TESTS += test/pacman/tests/fileconflict031.py
TESTS += test/pacman/tests/fileconflict032.py
TESTS += test/pacman/tests/hook-abortonfail.py
+TESTS += test/pacman/tests/hook-description-reused.py
+TESTS += test/pacman/tests/hook-exec-reused.py
TESTS += test/pacman/tests/hook-exec-with-arguments.py
TESTS += test/pacman/tests/hook-file-change-packages.py
TESTS += test/pacman/tests/hook-file-remove-trigger-match.py
@@ -64,7 +66,9 @@ TESTS += test/pacman/tests/hook-pkg-postinstall-trigger-match.py
TESTS += test/pacman/tests/hook-pkg-remove-trigger-match.py
TESTS += test/pacman/tests/hook-pkg-upgrade-trigger-match.py
TESTS += test/pacman/tests/hook-target-list.py
+TESTS += test/pacman/tests/hook-type-reused.py
TESTS += test/pacman/tests/hook-upgrade-trigger-no-match.py
+TESTS += test/pacman/tests/hook-when-reused.py
TESTS += test/pacman/tests/ignore001.py
TESTS += test/pacman/tests/ignore002.py
TESTS += test/pacman/tests/ignore003.py
diff --git a/test/pacman/tests/hook-description-reused.py b/test/pacman/tests/hook-description-reused.py
new file mode 100644
index 00000000..87637e80
--- /dev/null
+++ b/test/pacman/tests/hook-description-reused.py
@@ -0,0 +1,23 @@
+self.description = "Hook using multiple 'Description's"
+
+self.add_hook("hook",
+ """
+ [Trigger]
+ Type = Package
+ Operation = Install
+ Target = foo
+
+ [Action]
+ Description = lala
+ Description = foobar
+ When = PreTransaction
+ Exec = /bin/date
+ """);
+
+sp = pmpkg("foo")
+self.addpkg2db("sync", sp)
+
+self.args = "-S foo"
+
+self.addrule("PACMAN_RETCODE=0")
+self.addrule("PACMAN_OUTPUT=warning.*overwriting previous definition of Description")
diff --git a/test/pacman/tests/hook-exec-reused.py b/test/pacman/tests/hook-exec-reused.py
new file mode 100644
index 00000000..38423177
--- /dev/null
+++ b/test/pacman/tests/hook-exec-reused.py
@@ -0,0 +1,22 @@
+self.description = "Hook using multiple 'Exec's"
+
+self.add_hook("hook",
+ """
+ [Trigger]
+ Type = Package
+ Operation = Install
+ Target = foo
+
+ [Action]
+ When = PostTransaction
+ Exec = /bin/date
+ Exec = /bin/date
+ """);
+
+sp = pmpkg("foo")
+self.addpkg2db("sync", sp)
+
+self.args = "-S foo"
+
+self.addrule("PACMAN_RETCODE=0")
+self.addrule("PACMAN_OUTPUT=warning.*overwriting previous definition of Exec")
diff --git a/test/pacman/tests/hook-type-reused.py b/test/pacman/tests/hook-type-reused.py
new file mode 100644
index 00000000..472c8caf
--- /dev/null
+++ b/test/pacman/tests/hook-type-reused.py
@@ -0,0 +1,22 @@
+self.description = "Hook using multiple 'Type's"
+
+self.add_hook("hook",
+ """
+ [Trigger]
+ Type = Package
+ Type = File
+ Operation = Install
+ Target = foo
+
+ [Action]
+ When = PostTransaction
+ Exec = /bin/date
+ """);
+
+sp = pmpkg("foo")
+self.addpkg2db("sync", sp)
+
+self.args = "-S foo"
+
+self.addrule("PACMAN_RETCODE=0")
+self.addrule("PACMAN_OUTPUT=warning.*overwriting previous definition of Type")
diff --git a/test/pacman/tests/hook-when-reused.py b/test/pacman/tests/hook-when-reused.py
new file mode 100644
index 00000000..85a93db8
--- /dev/null
+++ b/test/pacman/tests/hook-when-reused.py
@@ -0,0 +1,22 @@
+self.description = "Hook using multiple 'When's"
+
+self.add_hook("hook",
+ """
+ [Trigger]
+ Type = Package
+ Operation = Install
+ Target = foo
+
+ [Action]
+ When = PreTransaction
+ Exec = /bin/date
+ When = PostTransaction
+ """);
+
+sp = pmpkg("foo")
+self.addpkg2db("sync", sp)
+
+self.args = "-S foo"
+
+self.addrule("PACMAN_RETCODE=0")
+self.addrule("PACMAN_OUTPUT=warning.*overwriting previous definition of When")
--
2.11.0
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