Re: [PATCH 02/13] Use an external program to implement fetching with curl

Subsystems: kernel build + files below scripts/ (unless maintained elsewhere), the rest

2 messages, 2 authors, 2016-06-15 · open the first message on its own page

Re: [PATCH 02/13] Use an external program to implement fetching with curl

From: Junio C Hamano <hidden>
Date: 2016-06-15 22:47:12

Daniel Barkalow [off-list ref] writes:
On Wed, 5 Aug 2009, Johannes Schindelin wrote:
quoted
Ooops, I missed this part.  How about making git-remote-https and 
git-remote-ftp hardlinks to git-remote-http?
Sure. Is "ln ... || ln -s ... || cp ..." the right way to do this 
cross-platform?
I've queued the first three from this series to 'next' (and the rest to
'pu'), as I wanted to give wider testing to the smaller footprint git with
the libcurl-less-ness they bring in, with Linus's standalone SHA-1.

Since then two fix-ups (adding git-remote-* to .gitignore and the
dependency fix to git-http-fetch) were posted to the list, which I also
rebased in to the series, making the total number of patches merged to
'next' from the series 5.

If there are major changes/rewrites/redesign in the remaining part of the
series that are only in 'pu', please feel free to either send incrementals
or replacements.

I do not think I've seen any issues raised but unresolved against the part
from this series already in 'next', other than that this builds three
copies of git-remote-* programs based on libcurl.  I'll rebase a patch
like this in after the Makefile fixup ae209bd (http-fetch: Fix Makefile
dependancies, 2009-08-06) and queue the result to 'next'.

I suspect that the "install" target may need a patch similar to this one,
though...

-- >8 --
Subject: Makefile: do not link three copies of git-remote-* programs

Instead, link only one and make the rest hardlinks/copies, like we do for
the built-ins. 

Signed-off-by: Junio C Hamano <redacted>
---

 Makefile |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)
diff --git a/Makefile b/Makefile
index 2900057..38924f2 100644
--- a/Makefile
+++ b/Makefile
@@ -1256,6 +1256,7 @@ ifndef V
 	QUIET_LINK     = @echo '   ' LINK $@;
 	QUIET_BUILT_IN = @echo '   ' BUILTIN $@;
 	QUIET_GEN      = @echo '   ' GEN $@;
+	QUIET_LNCP     = @echo '   ' LN/CP $@;
 	QUIET_SUBDIR0  = +@subdir=
 	QUIET_SUBDIR1  = ;$(NO_SUBDIR) echo '   ' SUBDIR $$subdir; \
 			 $(MAKE) $(PRINT_DIR) -C $$subdir
@@ -1494,10 +1495,16 @@ git-http-push$X: revision.o http.o http-push.o $(GITLIBS)
 	$(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \
 		$(LIBS) $(CURL_LIBCURL) $(EXPAT_LIBEXPAT)
 
-git-remote-http$X git-remote-https$X git-remote-ftp$X: remote-curl.o http.o http-walker.o $(GITLIBS)
+git-remote-http$X: remote-curl.o http.o http-walker.o $(GITLIBS)
 	$(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \
 		$(LIBS) $(CURL_LIBCURL) $(EXPAT_LIBEXPAT)
 
+git-remote-https$X git-remote-ftp$X: git-remote-http$X
+	$(QUIET_LNCP)$(RM) $@ && \
+	ln git-remote-http$X $@ 2>/dev/null || \
+	ln -s  git-remote-http$X $@ 2>/dev/null || \
+	cp git-remote-http$X $@
+
 $(LIB_OBJS) $(BUILTIN_OBJS): $(LIB_H)
 $(patsubst git-%$X,%.o,$(PROGRAMS)) git.o: $(LIB_H) $(wildcard */*.h)
 builtin-revert.o wt-status.o: wt-status.h

Re: [PATCH 02/13] Use an external program to implement fetching with curl

From: Daniel Barkalow <hidden>
Date: 2016-06-15 22:47:12

On Thu, 6 Aug 2009, Junio C Hamano wrote:
Daniel Barkalow [off-list ref] writes:
quoted
On Wed, 5 Aug 2009, Johannes Schindelin wrote:
quoted
Ooops, I missed this part.  How about making git-remote-https and 
git-remote-ftp hardlinks to git-remote-http?
Sure. Is "ln ... || ln -s ... || cp ..." the right way to do this 
cross-platform?
I've queued the first three from this series to 'next' (and the rest to
'pu'), as I wanted to give wider testing to the smaller footprint git with
the libcurl-less-ness they bring in, with Linus's standalone SHA-1.

Since then two fix-ups (adding git-remote-* to .gitignore and the
dependency fix to git-http-fetch) were posted to the list, which I also
rebased in to the series, making the total number of patches merged to
'next' from the series 5.

If there are major changes/rewrites/redesign in the remaining part of the
series that are only in 'pu', please feel free to either send incrementals
or replacements.
Great. Johannes had a bunch of suggestions for making it less error-prone 
to extend, which I hope to get to this weekend.
I do not think I've seen any issues raised but unresolved against the part
from this series already in 'next', other than that this builds three
copies of git-remote-* programs based on libcurl.  I'll rebase a patch
like this in after the Makefile fixup ae209bd (http-fetch: Fix Makefile
dependancies, 2009-08-06) and queue the result to 'next'.
I think there were remaining improvements (e.g., transport-helper.c could 
write commands with strbufs), but nothing that couldn't just as well be 
applied afterwards.
I suspect that the "install" target may need a patch similar to this one,
though...
Ah, yes, avoiding the duplication in the build directory isn't a big win 
if the installed location doesn't get links.
quoted hunk
-- >8 --
Subject: Makefile: do not link three copies of git-remote-* programs

Instead, link only one and make the rest hardlinks/copies, like we do for
the built-ins. 

Signed-off-by: Junio C Hamano <redacted>
---

 Makefile |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)
diff --git a/Makefile b/Makefile
index 2900057..38924f2 100644
--- a/Makefile
+++ b/Makefile
@@ -1256,6 +1256,7 @@ ifndef V
 	QUIET_LINK     = @echo '   ' LINK $@;
 	QUIET_BUILT_IN = @echo '   ' BUILTIN $@;
 	QUIET_GEN      = @echo '   ' GEN $@;
+	QUIET_LNCP     = @echo '   ' LN/CP $@;
 	QUIET_SUBDIR0  = +@subdir=
 	QUIET_SUBDIR1  = ;$(NO_SUBDIR) echo '   ' SUBDIR $$subdir; \
 			 $(MAKE) $(PRINT_DIR) -C $$subdir
@@ -1494,10 +1495,16 @@ git-http-push$X: revision.o http.o http-push.o $(GITLIBS)
 	$(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \
 		$(LIBS) $(CURL_LIBCURL) $(EXPAT_LIBEXPAT)
 
-git-remote-http$X git-remote-https$X git-remote-ftp$X: remote-curl.o http.o http-walker.o $(GITLIBS)
+git-remote-http$X: remote-curl.o http.o http-walker.o $(GITLIBS)
 	$(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \
 		$(LIBS) $(CURL_LIBCURL) $(EXPAT_LIBEXPAT)
 
+git-remote-https$X git-remote-ftp$X: git-remote-http$X
+	$(QUIET_LNCP)$(RM) $@ && \
+	ln git-remote-http$X $@ 2>/dev/null || \
+	ln -s  git-remote-http$X $@ 2>/dev/null || \
+	cp git-remote-http$X $@
Maybe "$<" for "git-remote-http$X", since that would make the rule portion 
generic.
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