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hgfs: add rev file, document in manual page

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This commit is contained in:
cinap_lenrek 2011-10-16 02:50:52 +02:00
parent 6039c95bcb
commit 18bfca7978
2 changed files with 15 additions and 7 deletions
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15
sys/man/4/hgfs
View file

@ -59,15 +59,15 @@ corresponding to a specific changeset revision in the
repository.
Revision directories are named by a revision id which
takes the form [\fId\fB.\fR]\fIhhhhhhhhhhhh\fR, where
takes the form [\fId\fB.\fR]\fIh\fR, where
.I d
is the decimal revision number starting from 0 and
.I hhhhhhhhhhhh
is the hexadecimal hash prefix of the changeset. Both
.I h
is the hexadecimal hash of the changeset. Both
the revision number
.I d
and the hash prefix
.I hhhhhhhhhhhh
and the hash
.I h
are able to identify
a revision uniquely; only one of them needs to be given
when walking the root directory. The hexadecimal hash
@ -79,8 +79,11 @@ in the directory listing.
In each revision directory the following files can be found:
.TP
.B rev
contains the revision id of the changeset.
.TP
.B rev1
contains the parent revision id as text.
contains the parent revision id of the changeset.
.TP
.B rev2
If the changeset was a merge, contains the other parent revision id. Otherwise, a zero size file.

7
sys/src/cmd/hgfs/fs.c
View file

@ -13,6 +13,7 @@
enum {
Qroot,
Qrev,
Qrev0,
Qrev1,
Qrev2,
Qlog,
@ -27,6 +28,7 @@ enum {
static char *nametab[] = {
"/",
nil,
"rev",
"rev1",
"rev2",
"log",
@ -182,6 +184,7 @@ fsmkqid(Qid *q, int level, void *aux)
case Qchanges:
q->type = QTDIR;
if(0){
case Qrev0:
case Qrev1:
case Qrev2:
case Qlog:
@ -237,6 +240,7 @@ fsmkdir(Dir *d, int level, void *aux)
case Qroot:
goto Namegen;
case Qrev:
case Qrev0:
case Qrev1:
case Qrev2:
ri = aux;
@ -638,6 +642,7 @@ fsread(Req *r)
dirread9p(r, revgen, rf->info);
respond(r, nil);
return;
case Qrev0:
case Qrev1:
case Qrev2:
s = nil;
@ -646,7 +651,7 @@ fsread(Req *r)
i = hashrev(&changelog, rf->info->chash);
if(rf->level == Qrev1)
i = changelog.map[i].p1rev;
else
else if(rf->level == Qrev2)
i = changelog.map[i].p2rev;
Revgen:
s = fsmkrevname(buf, sizeof(buf), i);