diff options
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | Doc/Zsh/func.yo | 13 | ||||
| -rw-r--r-- | README | 11 | ||||
| -rw-r--r-- | Src/hist.c | 25 | ||||
| -rw-r--r-- | Src/zsh.h | 1 |
5 files changed, 49 insertions, 7 deletions
@@ -1,3 +1,9 @@ +2013-10-17 Peter Stephenson <p.stephenson@samsung.com> + + * 31830: Doc/Zsh/func.yo, README, Src/hist.c, Src/zsh.h: + If a zshaddhistory hook returns status 2, save the line on + the internal history but don't write it out. + 2013-10-16 Peter Stephenson <p.w.stephenson@ntlworld.com> * Users/18033: Doc/Zsh/builtins.yo, Doc/Zsh/jobs.yo, diff --git a/Doc/Zsh/func.yo b/Doc/Zsh/func.yo index 1f58df86a..6e9cfeee9 100644 --- a/Doc/Zsh/func.yo +++ b/Doc/Zsh/func.yo @@ -264,9 +264,16 @@ Executed when a history line has been read interactively, but before it is executed. The sole argument is the complete history line (so that any terminating newline will still be present). -If any of the hook functions return a non-zero value the history -line will not be saved, although it lingers in the history until the -next line is executed, allowing you to reuse or edit it immediately. +If any of the hook functions returns status 1 (or any non-zero value +other than 2, though this is not guaranteed for future versions of the +shell) the history line will not be saved, although it lingers in the +history until the next line is executed, allowing you to reuse or edit +it immediately. + +If any of the hook functions returns status 2 the history line +will be saved on the internal history list, but not written to +the history file. In case of a conflict, the first non-zero status +value is taken. A hook function may call `tt(fc -p) var(...)' to switch the history context so that the history is saved in a different file from the @@ -28,6 +28,17 @@ Zsh is a shell with lots of features. For a list of some of these, see the file FEATURES, and for the latest changes see NEWS. For more details, see the documentation. +Incompatibilities between 5.0.2 and 5.0.3 +----------------------------------------- + +The "zshaddhistory" hook mechanism documented in the zshmisc manual page +has been upgraded so that a hook returning status 2 causes a history +line to be saved on the internal history list but not written to the +history file. Previously any non-zero status return would cause +the line not to be saved on the history at all. It is recommended +to use status 1 for this (indeed most shell users would naturally do +so). + Incompatibilities between 5.0.0 and 5.0.2 ----------------------------------------- diff --git a/Src/hist.c b/Src/hist.c index ed9560952..fa5bdbb3c 100644 --- a/Src/hist.c +++ b/Src/hist.c @@ -1226,7 +1226,15 @@ mod_export int hend(Eprog prog) { LinkList hookargs = newlinklist(); - int flag, save = 1, hookret, stack_pos = histsave_stack_pos; + int flag, hookret, stack_pos = histsave_stack_pos; + /* + * save: + * 0: don't save + * 1: save normally + * -1: save temporarily, delete after next line + * -2: save internally but mark for not writing + */ + int save = 1; char *hf; DPUTS(stophist != 2 && !(inbufflags & INP_ALIAS) && !chline, @@ -1279,7 +1287,11 @@ hend(Eprog prog) } if (chwordpos <= 2) save = 0; - else if (hookret || should_ignore_line(prog)) + else if (should_ignore_line(prog)) + save = -1; + else if (hookret == 2) + save = -2; + else if (hookret) save = -1; } if (flag & (HISTFLAG_DONE | HISTFLAG_RECALL)) { @@ -1325,7 +1337,12 @@ hend(Eprog prog) if (isset(HISTREDUCEBLANKS)) histreduceblanks(); } - newflags = save > 0? 0 : HIST_TMPSTORE; + if (save == -1) + newflags = HIST_TMPSTORE; + else if (save == -2) + newflags = HIST_NOWRITE; + else + newflags = 0; if ((isset(HISTIGNOREDUPS) || isset(HISTIGNOREALLDUPS)) && save > 0 && hist_ring && histstrcmp(chline, hist_ring->node.nam) == 0) { /* This history entry compares the same as the previous. @@ -2590,7 +2607,7 @@ savehistfile(char *fn, int err, int writeflags) || he->node.flags & HIST_TMPSTORE) continue; if (writeflags & HFILE_SKIPOLD) { - if (he->node.flags & HIST_OLD) + if (he->node.flags & (HIST_OLD|HIST_NOWRITE)) continue; he->node.flags |= HIST_OLD; if (writeflags & HFILE_USE_OPTIONS) @@ -1894,6 +1894,7 @@ struct histent { #define HIST_DUP 0x00000008 /* Command duplicates a later line */ #define HIST_FOREIGN 0x00000010 /* Command came from another shell */ #define HIST_TMPSTORE 0x00000020 /* Kill when user enters another cmd */ +#define HIST_NOWRITE 0x00000040 /* Keep internally but don't write */ #define GETHIST_UPWARD (-1) #define GETHIST_DOWNWARD 1 |