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Accepting request 1100325 from shells

- Extend tcsh-6.24.10-history-merge.dif
  * Add a test case 

- Modify tcsh-6.24.10-history-merge.dif
  * Skip workaround but disable fastMergeErase instead to really be
    able to merge currently history with history file (bsc#1213484)

OBS-URL: https://build.opensuse.org/request/show/1100325
OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/tcsh?expand=0&rev=94
This commit is contained in:
Ana Guerrero 2023-07-24 16:11:56 +00:00 committed by Git OBS Bridge
commit 54fc3d0bfb
2 changed files with 94 additions and 54 deletions

View File

@ -1,60 +1,87 @@
---
sh.hist.c | 22 +++++++++++++++++-----
1 file changed, 17 insertions(+), 5 deletions(-)
sh.hist.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
--- sh.hist.c
+++ sh.hist.c 2023-07-13 09:18:13.149624778 +0000
@@ -105,7 +105,7 @@ hremove(struct Hist *hp)
+++ sh.hist.c 2023-07-21 12:21:55.518480015 +0000
@@ -64,7 +64,7 @@ static void hfree (struct Hist *);
/* Prune length of history list to specified size by history variable. */
PG_STATIC void
-discardExcess(int hlen)
+discardExcess(int hlen, int mflg)
{
struct Hist *hp, *np;
if (histTail == NULL) {
@@ -116,13 +116,13 @@ discardExcess(int hlen)
* the list is still too long scan the whole list as before. But only do a
* full scan if the list is more than 6% (1/16th) too long. */
while (histCount > (unsigned)hlen && (np = Histlist.Hnext)) {
- if (eventno - np->Href >= hlen || hlen == 0)
+ if ((eventno - np->Href >= hlen || hlen == 0) && !mflg)
hremove(np), hfree(np);
else
break;
}
while (histCount > (unsigned)hlen && (np = histTail) != &Histlist) {
- if (eventno - np->Href >= hlen || hlen == 0)
+ if (eventno - np->Href >= hlen || hlen == 0 || mflg)
hremove(np), hfree(np);
else
break;
@@ -148,7 +148,7 @@ savehist(
return;
if (sp)
(void) enthist(++eventno, sp, 1, mflg, histlen);
- discardExcess(histlen);
+ discardExcess(histlen, mflg);
}
/* #define DEBUG_HIST 1 */
#define USE_JENKINS_HASH 1
@@ -1404,6 +1404,18 @@ loadhist(Char *fname, int mflg)
void
sethistory(int n)
{
+ int mflg = 0;
+ struct varent *shist;
-static const int fastMergeErase = 1;
+static int fastMergeErase = 1;
static unsigned histCount = 0; /* number elements on history list */
static int histlen = 0;
static struct Hist *histTail = NULL; /* last element on history list */
@@ -1321,6 +1321,7 @@ rechist(Char *xfname, int ref)
}
if (merge) {
+ fastMergeErase = 0; /* Was true, now false to merge even with full history list */
jmp_buf_t osetexit;
if (lock) {
#ifndef WINNT_NATIVE
@@ -1393,7 +1394,7 @@ loadhist(Char *fname, int mflg)
/* During history merging (enthist sees mflg set), we disable management of
* Hnum and Href (because fastMergeErase is true). So now reset all the
* values based on the final ordering of the history list. */
- if (mflg) {
+ if (mflg /* && fastMergeErase */) {
int n = eventno;
struct Hist *hp = &Histlist;
while ((hp = hp->Hnext))
--- tests/history.at
+++ tests/history.at 2023-07-24 07:53:41.471413277 +0000
@@ -218,6 +218,52 @@ dnl savehist) set to 0 instead of 1.
AT_CLEANUP()
+AT_SETUP([History merge])
+dnl Check if history merge really works out
+
+ if ((shist = adrof(STRsavehist)) != NULL && shist->vec != NULL) {
+ size_t i;
+ for (i = 1; shist->vec[i]; i++) {
+ if (eq(shist->vec[i], STRmerge)) {
+ mflg++;
+ break;
+ }
+ }
+ }
histlen = n;
- discardExcess(histlen);
+ discardExcess(histlen, mflg);
}
+AT_DATA([hist-merge.csh],
+[[set histfile=test.history histdup=prev history=(6 "%h TIME %R\n")
+set savehist=(6 merge)
+printf "'%s' %s\n" "$histdup" "$history"
+history -c
+: 1
+: 2
+: 3
+: 4
+: 5
+history -S
+: a
+: b
+: c
+: d
+: e
+history -S
+history -L
+history 6
+]])
+
+AT_CHECK([tcsh -f -q -i < hist-merge.csh], ,
+[> 'prev' 6 %h TIME %R\n
+ 24 TIME : b
+ 25 TIME : c
+ 26 TIME : d
+ 27 TIME : e
+ 28 TIME history -S
+ 29 TIME history 6
+> exit
+],)
+
+dnl In broken case we see the former history instead
+dnl > 'prev' 6 %h TIME %R\n
+dnl 24 TIME : 4
+dnl 25 TIME : 3
+dnl 26 TIME : 2
+dnl 27 TIME : 1
+dnl 28 TIME history -S
+dnl 29 TIME history 6
+dnl > exit
+
+AT_CLEANUP()
dnl
dnl History faults

View File

@ -1,3 +1,16 @@
-------------------------------------------------------------------
Mon Jul 24 08:12:01 UTC 2023 - Dr. Werner Fink <werner@suse.de>
- Extend tcsh-6.24.10-history-merge.dif
* Add a test case
-------------------------------------------------------------------
Fri Jul 21 09:19:02 UTC 2023 - Dr. Werner Fink <werner@suse.de>
- Modify tcsh-6.24.10-history-merge.dif
* Skip workaround but disable fastMergeErase instead to really be
able to merge currently history with history file (bsc#1213484)
-------------------------------------------------------------------
Fri Jul 14 11:29:02 UTC 2023 - Dr. Werner Fink <werner@suse.de>