On Thu, 2005-04-14 at 00:19 +0200, Petr Baudis wrote:
> Dear diary, on Wed, Apr 13, 2005 at 02:15:37PM CEST, I got a letter
> where Martin Schlemmer <[EMAIL PROTECTED]> told me that...
> > On Wed, 2005-04-13 at 11:26 +0200, Petr Baudis wrote:
> >> > Dear diary, on Wed, Apr 13, 2005 at 10:41:12AM CEST, I got a letter
> > > where Martin Schlemmer <[EMAIL PROTECTED]> told me that...
> > > > On Wed, 2005-04-13 at 09:54 +0200, Petr Baudis wrote:
> > > > PS: not having looked deeper yet, why does fsck-cache always find
> > > > unreferenced blobs/commits (no matter what tree is tracked, they stay
> > > > the same) ?  And trying to remove them leads to more, which leads to an
> > > > empty .git/opjects/ =)  Also, leading to this, will adding an option to
> > > > remove disconnected commits/blobs from local commits (that was
> > > > disconnected with a pull) be a viable option to add?
> > > 
> > > fsck-cache is concerned only by the objects database, so all the HEADs
> > > are unreferenced commits too. This is a right thing, the HEAD tracking
> > > should stay purely in the scripts - if we want to make fsck-cache
> > > smarter about that, we should implement git fsck or something.
> > > 
> > > Killing unreferenced blobs should be safe, I think.
> > > 
> > > > First, about the 'git diff' thing I asked yesterday .. what I meant, was
> > > > should it actually output this:
> > > > 
> > > > ----
> > > > COPYING:  fe2a4177a760fd110e78788734f167bd633be8de 33
> > > > Makefile:  929aa49a3dbe683ad52094099797bc636a7949a6 33
> > > > README:  46c6a9ea48ddd1dda45ca585f49975a6869ffe51 33
> > > > ...
> > > > ----
> > > > 
> > > > Shouldn't it just show actual changes?
> > > 
> > > This is an actual change. It's just that it's a change to metadata
> > > (somewhat esotherically described by the "33"), not the file contents.
> > > 
> > > BTW, git diff does actually something completely different from git diff
> > > with any arguments. It diffs to the directory cache, not to any tree! It
> > > just wraps show-diff, which has also a different output format (not
> > > outputting "git diffs"). The worst thing is that it requires a different
> > > -p option to apply. Someone should purge this wart, I think.
> > > 
> > 
> > Check applied patch (also in the new output).
> 
> Please send patches inline and properly signed off.
> 

The new evo have a bad habit of screwing the tabs, but sure.

> > > > Also on the same note .. should 'git ci' without listed files to be
> > > > committed, really add a reference to all files as it currently do in the
> > > > commit/blob/whatever info, instead of just the changed/added files (see
> > > > the git-seperate-dir.patch you have not yet commented on for reference)?
> > > 
> > > ...
> > > 
> > 
> > Patch will also resolve this.
> 
> Your patch is bad - it removes the pure metadata changes, but you
> definitively do not want to do that! If you are annoyed by meaningless
> time changes etc, do update-cache --refresh. Ignoring mode changes is a
> pure disaster.
> 

Ahh - and there was light.  I do not have a problem with the mode
changes - its just _all_ files was shown after tracked branch was
changed.  How about below patch?

> > > > I know its in its infancy, but I am not sure on what scm you are basing
> > > > it, so not sure how things should behave.
> > > 
> > > I'm trying to base it on common sense and principle of least surprise.
> > > :-)
> > > 
> > 
> > Ok, I'll just bug you then if I am not sure on how you want something ;p
> 
> Or do it somehow and I'll bug you back if I don't like it. ;-)
> 

Ditto


----

Normalize show-diff output and make sure we only show real changes after
changing the tracked branch.

Signed-off-by: Martin Schlemmer <[EMAIL PROTECTED]>

gittrack.sh:  a9d7c3d117390787e562a0450deb14c7cbf4b565 33
--- a9d7c3d117390787e562a0450deb14c7cbf4b565/gittrack.sh
+++ uncommitted/gittrack.sh
@@ -49,6 +49,7 @@

        read-tree $(tree-id "$name")
        gitdiff.sh local "$name" | gitapply.sh
+       update-cache --refresh

 else
        [ "$tracking" ] || \
@@ -59,6 +60,7 @@
        if [ -s ".git/HEAD.local" ]; then
                gitdiff.sh "$tracking" local | gitapply.sh
                read-tree $(tree-id local)
+               update-cache --refresh

                head=$(cat .git/HEAD)
                branchhead=$(cat .git/HEAD.$tracking)
show-diff.c:  136ec315b82d10d33ff9b4517f1b8ab91e3dcabc 33
--- 136ec315b82d10d33ff9b4517f1b8ab91e3dcabc/show-diff.c
+++ uncommitted/show-diff.c
@@ -5,13 +5,18 @@
  */
 #include "cache.h"

-static void show_differences(char *name,
+static void show_differences(struct cache_entry *ce,
        void *old_contents, unsigned long long old_size)
 {
        static char cmd[1000];
+       static char sha1[41];
+       int n;
        FILE *f;

-       snprintf(cmd, sizeof(cmd), "diff -L %s -u -N  - %s", name, name);
+       for (n = 0; n < 20; n++)
+               snprintf(&(sha1[n*2]), 3, "%02x", ce->sha1[n]);
+       snprintf(cmd, sizeof(cmd), "diff -L %s/%s -L uncommitted/%s -u -N  - 
%s",
+               sha1, ce->name, ce->name, ce->name);
        f = popen(cmd, "w");
        if (old_size)
                fwrite(old_contents, old_size, 1, f);
@@ -98,7 +103,7 @@

                fflush(stdout);
                new = read_sha1_file(ce->sha1, type, &size);
-               show_differences(ce->name, new, size);
+               show_differences(ce, new, size);
                free(new);
        }
        return 0;


-- 
Martin Schlemmer

gittrack.sh:  a9d7c3d117390787e562a0450deb14c7cbf4b565 33
--- a9d7c3d117390787e562a0450deb14c7cbf4b565/gittrack.sh
+++ uncommitted/gittrack.sh
@@ -49,6 +49,7 @@
 
 	read-tree $(tree-id "$name")
 	gitdiff.sh local "$name" | gitapply.sh
+	update-cache --refresh
 
 else
 	[ "$tracking" ] || \
@@ -59,6 +60,7 @@
 	if [ -s ".git/HEAD.local" ]; then
 		gitdiff.sh "$tracking" local | gitapply.sh
 		read-tree $(tree-id local)
+		update-cache --refresh
 
 		head=$(cat .git/HEAD)
 		branchhead=$(cat .git/HEAD.$tracking)
show-diff.c:  136ec315b82d10d33ff9b4517f1b8ab91e3dcabc 33
--- 136ec315b82d10d33ff9b4517f1b8ab91e3dcabc/show-diff.c
+++ uncommitted/show-diff.c
@@ -5,13 +5,18 @@
  */
 #include "cache.h"
 
-static void show_differences(char *name,
+static void show_differences(struct cache_entry *ce,
 	void *old_contents, unsigned long long old_size)
 {
 	static char cmd[1000];
+	static char sha1[41];
+	int n;
 	FILE *f;
 
-	snprintf(cmd, sizeof(cmd), "diff -L %s -u -N  - %s", name, name);
+	for (n = 0; n < 20; n++)
+		snprintf(&(sha1[n*2]), 3, "%02x", ce->sha1[n]);
+	snprintf(cmd, sizeof(cmd), "diff -L %s/%s -L uncommitted/%s -u -N  - %s",
+		sha1, ce->name, ce->name, ce->name);
 	f = popen(cmd, "w");
 	if (old_size)
 		fwrite(old_contents, old_size, 1, f);
@@ -98,7 +103,7 @@
 
 		fflush(stdout);
 		new = read_sha1_file(ce->sha1, type, &size);
-		show_differences(ce->name, new, size);
+		show_differences(ce, new, size);
 		free(new);
 	}
 	return 0;

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