From 0a7243269320d20b33f470df7337550283638a54 Mon Sep 17 00:00:00 2001
From: Olof hagsand <olof@hagsand.se>
Date: Wed, 4 Oct 2023 07:27:49 -0500
Subject: [PATCH] Fixed: [commit d

---
 CHANGELOG.md            |  4 ++++
 lib/src/clixon_xml_io.c | 43 +++++++++++++++++++++++++++++++++++------
 test/test_cli_diff.sh   |  5 +++--
 3 files changed, 44 insertions(+), 8 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index a42bd05e..fb374880 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -45,6 +45,10 @@
 ## 6.5.0
 Expected: December 2023
 
+### Corrected Bugs
+
+* Fixed: [commit diff sometimes includes namespace in output](https://github.com/clicon/clixon-controller/issues/44)
+
 ## 6.4.0
 30 September 2023
 
diff --git a/lib/src/clixon_xml_io.c b/lib/src/clixon_xml_io.c
index 77c14b33..2cfa0a39 100644
--- a/lib/src/clixon_xml_io.c
+++ b/lib/src/clixon_xml_io.c
@@ -920,6 +920,37 @@ xml_diff_keys(cbuf      *cb,
     return 0;
 }
 
+/*! Print one line of context around diff 
+ */
+static int
+xml_diff_context(cbuf  *cb,
+                 cxobj *xn,
+                 int    level)
+{
+    int   retval = -1;
+    char *prefix;
+    char *namespace = NULL;
+    
+    prefix = xml_prefix(xn);
+    if (xml2ns(xn, prefix, &namespace) < 0)
+        goto done;
+    cprintf(cb, "%*s<", level, "");
+    if (namespace){
+        if (prefix)
+            cprintf(cb, "%s:", prefix);
+        cprintf(cb, "%s xmlns", xml_name(xn));
+        if (prefix)
+            cprintf(cb, ":%s", prefix);
+        cprintf(cb, "=\"%s\"", namespace);
+        cprintf(cb, ">\n");
+    }
+    else
+        cprintf(cb, "%s>\n", xml_name(xn));
+    retval = 0;
+ done:
+    return retval;
+}
+
 /*! Print XML diff of two cxobj trees into a cbuf
  *
  * YANG dependent
@@ -971,7 +1002,7 @@ xml_diff2cbuf(cbuf  *cb,
         else if (x0c == NULL){
             /* Check if one or both subtrees are NULL */
             if (nr==0 && skiptop==0){
-                cprintf(cb, "%*s<%s>\n", level1, "", xml_name(x1));
+                xml_diff_context(cb, x1, level1);
                 xml_diff_keys(cb, x1, y0, (level+1)*PRETTYPRINT_INDENT);
                 nr++;
             }
@@ -982,7 +1013,7 @@ xml_diff2cbuf(cbuf  *cb,
         }
         else if (x1c == NULL){
             if (nr==0 && skiptop==0){
-                cprintf(cb, "%*s<%s>\n", level1, "", xml_name(x0));
+                xml_diff_context(cb, x0, level1);
                 xml_diff_keys(cb, x0, y0, (level+1)*PRETTYPRINT_INDENT);
                 nr++;
             }
@@ -995,7 +1026,7 @@ xml_diff2cbuf(cbuf  *cb,
         eq = xml_cmp(x0c, x1c, 0, 0, NULL);
         if (eq < 0){
             if (nr==0 && skiptop==0){
-                cprintf(cb, "%*s<%s>\n", level1, "", xml_name(x0));
+                xml_diff_context(cb, x0, level1);
                 xml_diff_keys(cb, x0, y0, (level+1)*PRETTYPRINT_INDENT);
                 nr++;
             }
@@ -1006,7 +1037,7 @@ xml_diff2cbuf(cbuf  *cb,
         }
         else if (eq > 0){
             if (nr==0 && skiptop==0){
-                cprintf(cb, "%*s<%s>\n", level1, "", xml_name(x1));
+                xml_diff_context(cb, x1, level1);
                 xml_diff_keys(cb, x1, y0, (level+1)*PRETTYPRINT_INDENT);
                 nr++;
             }
@@ -1023,7 +1054,7 @@ xml_diff2cbuf(cbuf  *cb,
             yc1 = xml_spec(x1c);
             if (yc0 && yc1 && yc0 != yc1){ /* choice */
                 if (nr==0 && skiptop==0){
-                    cprintf(cb, "%*s<%s>\n", level1, "", xml_name(x0));
+                    xml_diff_context(cb, x0, level1);
                     xml_diff_keys(cb, x0, y0, (level+1)*PRETTYPRINT_INDENT);
                     nr++;
                 }
@@ -1041,7 +1072,7 @@ xml_diff2cbuf(cbuf  *cb,
                 else if (b0 == NULL || b1 == NULL
                          || strcmp(b0, b1) != 0){
                     if (nr==0 && skiptop==0){
-                        cprintf(cb, "%*s<%s>\n", level1, "", xml_name(x0));
+                        xml_diff_context(cb, x0, level1);
                         xml_diff_keys(cb, x0, y0, (level+1)*PRETTYPRINT_INDENT);
                         nr++;
                     }
diff --git a/test/test_cli_diff.sh b/test/test_cli_diff.sh
index 9c8bd32c..e083c435 100755
--- a/test/test_cli_diff.sh
+++ b/test/test_cli_diff.sh
@@ -165,8 +165,9 @@ expectpart "$($clixon_cli -1 -f $cfg set top section x table parameter d value 9
 new "check candidate"
 expectpart "$($clixon_cli -1 -f $cfg show config candidate)" 0 "^<top xmlns=\"urn:example:clixon\"><section><name>x</name><table><parameter><name>b</name><value>42</value></parameter><parameter><name>c</name><value>72</value></parameter><parameter><name>d</name><value>99</value></parameter></table></section></top>$"
 
-new "check compare xml"
-expectpart "$($clixon_cli -1 -f $cfg show compare xml)" 0 "<table>" "^\-\ *<parameter>" "^+\ *<parameter>" "^\-\ *<name>a</name>" "^+\ *<name>c</name>" --not-- "^+\ *<name>a</name>" "^\-\ *<name>c</name>"
+new "check compare xml b"
+echo "$clixon_cli -1 -f $cfg show compare xml"
+expectpart "$($clixon_cli -1 -f $cfg show compare xml)" 0 "<table xmlns=\"urn:example:clixon\">" "^\-\ *<parameter>" "^+\ *<parameter>" "^\-\ *<name>a</name>" "^+\ *<name>c</name>" --not-- "^+\ *<name>a</name>" "^\-\ *<name>c</name>"
 
 new "check compare text"
 expectpart "$($clixon_cli -1 -f $cfg show compare text)" 0 "^\ *table {" "^\-\ *parameter a {" "^+\ *parameter c {" "^\-\ *value 98;" "^+\ *value 99;"