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
Git OBS Bridge
commit
54fc3d0bfb
@ -1,60 +1,87 @@
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---
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sh.hist.c | 22 +++++++++++++++++-----
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1 file changed, 17 insertions(+), 5 deletions(-)
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sh.hist.c | 5 +++--
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1 file changed, 3 insertions(+), 2 deletions(-)
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--- sh.hist.c
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+++ sh.hist.c 2023-07-13 09:18:13.149624778 +0000
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@@ -105,7 +105,7 @@ hremove(struct Hist *hp)
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+++ sh.hist.c 2023-07-21 12:21:55.518480015 +0000
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@@ -64,7 +64,7 @@ static void hfree (struct Hist *);
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/* Prune length of history list to specified size by history variable. */
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PG_STATIC void
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-discardExcess(int hlen)
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+discardExcess(int hlen, int mflg)
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{
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struct Hist *hp, *np;
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if (histTail == NULL) {
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@@ -116,13 +116,13 @@ discardExcess(int hlen)
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* the list is still too long scan the whole list as before. But only do a
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* full scan if the list is more than 6% (1/16th) too long. */
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while (histCount > (unsigned)hlen && (np = Histlist.Hnext)) {
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- if (eventno - np->Href >= hlen || hlen == 0)
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+ if ((eventno - np->Href >= hlen || hlen == 0) && !mflg)
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hremove(np), hfree(np);
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else
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break;
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}
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while (histCount > (unsigned)hlen && (np = histTail) != &Histlist) {
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- if (eventno - np->Href >= hlen || hlen == 0)
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+ if (eventno - np->Href >= hlen || hlen == 0 || mflg)
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hremove(np), hfree(np);
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else
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break;
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@@ -148,7 +148,7 @@ savehist(
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return;
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if (sp)
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(void) enthist(++eventno, sp, 1, mflg, histlen);
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- discardExcess(histlen);
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+ discardExcess(histlen, mflg);
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/* #define DEBUG_HIST 1 */
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-static const int fastMergeErase = 1;
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+static int fastMergeErase = 1;
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static unsigned histCount = 0; /* number elements on history list */
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static int histlen = 0;
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static struct Hist *histTail = NULL; /* last element on history list */
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@@ -1321,6 +1321,7 @@ rechist(Char *xfname, int ref)
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}
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#define USE_JENKINS_HASH 1
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@@ -1404,6 +1404,18 @@ loadhist(Char *fname, int mflg)
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void
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sethistory(int n)
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{
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+ int mflg = 0;
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+ struct varent *shist;
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if (merge) {
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+ fastMergeErase = 0; /* Was true, now false to merge even with full history list */
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jmp_buf_t osetexit;
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if (lock) {
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#ifndef WINNT_NATIVE
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@@ -1393,7 +1394,7 @@ loadhist(Char *fname, int mflg)
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/* During history merging (enthist sees mflg set), we disable management of
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* Hnum and Href (because fastMergeErase is true). So now reset all the
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* values based on the final ordering of the history list. */
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- if (mflg) {
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+ if (mflg /* && fastMergeErase */) {
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int n = eventno;
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struct Hist *hp = &Histlist;
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while ((hp = hp->Hnext))
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--- tests/history.at
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+++ tests/history.at 2023-07-24 07:53:41.471413277 +0000
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@@ -218,6 +218,52 @@ dnl savehist) set to 0 instead of 1.
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AT_CLEANUP()
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+AT_SETUP([History merge])
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+dnl Check if history merge really works out
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+
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+ if ((shist = adrof(STRsavehist)) != NULL && shist->vec != NULL) {
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+ size_t i;
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+ for (i = 1; shist->vec[i]; i++) {
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+ if (eq(shist->vec[i], STRmerge)) {
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+ mflg++;
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+ break;
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+ }
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+ }
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+ }
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histlen = n;
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- discardExcess(histlen);
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+ discardExcess(histlen, mflg);
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}
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+AT_DATA([hist-merge.csh],
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+[[set histfile=test.history histdup=prev history=(6 "%h TIME %R\n")
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+set savehist=(6 merge)
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+printf "'%s' %s\n" "$histdup" "$history"
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+history -c
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+: 1
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+: 2
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+: 3
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+: 4
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+: 5
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+history -S
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+: a
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+: b
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+: c
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+: d
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+: e
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+history -S
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+history -L
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+history 6
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+]])
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+
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+AT_CHECK([tcsh -f -q -i < hist-merge.csh], ,
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+[> 'prev' 6 %h TIME %R\n
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+ 24 TIME : b
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+ 25 TIME : c
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+ 26 TIME : d
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+ 27 TIME : e
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+ 28 TIME history -S
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+ 29 TIME history 6
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+> exit
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+],)
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+
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+dnl In broken case we see the former history instead
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+dnl > 'prev' 6 %h TIME %R\n
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+dnl 24 TIME : 4
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+dnl 25 TIME : 3
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+dnl 26 TIME : 2
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+dnl 27 TIME : 1
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+dnl 28 TIME history -S
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+dnl 29 TIME history 6
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+dnl > exit
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+
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+AT_CLEANUP()
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dnl
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dnl History faults
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13
tcsh.changes
13
tcsh.changes
@ -1,3 +1,16 @@
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-------------------------------------------------------------------
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Mon Jul 24 08:12:01 UTC 2023 - Dr. Werner Fink <werner@suse.de>
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- Extend tcsh-6.24.10-history-merge.dif
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* Add a test case
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-------------------------------------------------------------------
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Fri Jul 21 09:19:02 UTC 2023 - Dr. Werner Fink <werner@suse.de>
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- Modify tcsh-6.24.10-history-merge.dif
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* Skip workaround but disable fastMergeErase instead to really be
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able to merge currently history with history file (bsc#1213484)
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-------------------------------------------------------------------
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Fri Jul 14 11:29:02 UTC 2023 - Dr. Werner Fink <werner@suse.de>
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