[PATCH] Add NO_CROSS_DIRECTORY_HARDLINKS support to the Makefile
From: Johannes Schindelin <hidden>
Date: 2016-06-15 22:46:44
Subsystem:
kernel build + files below scripts/ (unless maintained elsewhere), the rest · Maintainers:
Nathan Chancellor, Nicolas Schier, Linus Torvalds
When the installed programs are tar'ed up and installed on a system where bin/ and libexec/git-core/ live on different file systems, we do not want libexec/git-core/git-* to be hardlinks to bin/git. Noticed by Cedric Staniewski. Signed-off-by: Johannes Schindelin <redacted> --- On Mon, 11 May 2009, Cedric Staniewski wrote: > git commit 6a0861 [1] made bin/git the target of the builtins > hard links which results in 'cross-directory' hard links. While the > Makefile always works fine for the local installation via 'make > install', these links can raise trouble when installing git via > package manager. I do not understand how this commit could be responsible, but here is an attempt to fix things. Makefile | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/Makefile b/Makefile
index 6e21643..b00e22d 100644
--- a/Makefile
+++ b/Makefile@@ -175,6 +175,9 @@ all:: # Define OBJECT_CREATION_USES_RENAMES if your operating systems has problems # when hardlinking a file to another name and unlinking the original file right # away (some NTFS drivers seem to zero the contents in that scenario). +# +# Define NO_CROSS_DIRECTORY_HARDLINKS if you plan to distribute the installed +# programs as a tar, where bin/ and libexec/ might be on different file systems. GIT-VERSION-FILE: .FORCE-GIT-VERSION-FILE @$(SHELL_PATH) ./GIT-VERSION-GEN
@@ -1549,6 +1552,7 @@ endif bindir=$$(cd '$(DESTDIR_SQ)$(bindir_SQ)' && pwd) && \ execdir=$$(cd '$(DESTDIR_SQ)$(gitexec_instdir_SQ)' && pwd) && \ { $(RM) "$$execdir/git-add$X" && \ + test -z "$(NO_CROSS_DIRECTORY_HARDLINKS)" && \ ln "$$bindir/git$X" "$$execdir/git-add$X" 2>/dev/null || \ cp "$$bindir/git$X" "$$execdir/git-add$X"; } && \ { for p in $(filter-out git-add$X,$(BUILT_INS)); do \
--
1.6.3.49.g4d15.dirty