Currently it is not be possible to do something like "git checkout
master && git checkout next && git log -.." to see what master has on
top of master.
Allows use of the revision range such as <rev>..- or -..<rev> to see
what HEAD has on top of <rev> or vice versa, respectively.
Also allows use of symmetric differences such as <rev>...- and -...<rev>
This is written on top of Junio's "Just For Fun" patch ($Gmane/265260).
Signed-off-by: Kenny Lee Sin Cheong <kenny.le...@gmail.com>
---
revision.c | 16 ++++++++++++++--
1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/revision.c b/revision.c
index 7778bbd..a79b443 100644
--- a/revision.c
+++ b/revision.c
@@ -1490,6 +1490,7 @@ int handle_revision_arg(const char *arg_, struct rev_info
*revs, int flags, unsi
int symmetric = *next == '.';
unsigned int flags_exclude = flags ^ (UNINTERESTING | BOTTOM);
static const char head_by_default[] = "HEAD";
+ static const char prev_rev[] = "@{-1}";
unsigned int a_flags;
*dotdot = 0;
@@ -1499,6 +1500,13 @@ int handle_revision_arg(const char *arg_, struct
rev_info *revs, int flags, unsi
next = head_by_default;
if (dotdot == arg)
this = head_by_default;
+ /* Allows -..<rev> and <rev>..- */
+ if (!strcmp(this, "-")) {
+ this = prev_rev;
+ }
+ if (!strcmp(next, "-")) {
+ next = prev_rev;
+ }
if (this == head_by_default && next == head_by_default &&
!symmetric) {
/*
@@ -2198,7 +2206,7 @@ int setup_revisions(int argc, const char **argv, struct
rev_info *revs, struct s
read_from_stdin = 0;
for (left = i = 1; i < argc; i++) {
const char *arg = argv[i];
- if (arg[0] == '-' && arg[1]) {
+ if (arg[0] == '-' && !strstr(arg, "..")) {
int opts;
opts = handle_revision_pseudo_opt(submodule,
@@ -2220,6 +2228,7 @@ int setup_revisions(int argc, const char **argv, struct
rev_info *revs, struct s
continue;
}
+
opts = handle_revision_opt(revs, argc - i, argv + i,
&left, argv);
if (opts > 0) {
i += opts - 1;
@@ -2229,7 +2238,10 @@ int setup_revisions(int argc, const char **argv, struct
rev_info *revs, struct s
exit(128);
continue;
}
-
+ if (strstr(arg, "..")) {
+ handle_revision_arg(arg, revs, flags, revarg_opt);
+ continue;
+ }
if (handle_revision_arg(arg, revs, flags, revarg_opt)) {
int j;
--
2.3.2.225.gebdc58a
--
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