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authorJohannes Schindelin <Johannes.Schindelin@gmx.de>2006-12-13 00:01:41 +0100
committerJunio C Hamano <junkio@cox.net>2006-12-12 21:47:29 -0800
commite2b7008752d85874919ea718d098fec01b4a9019 (patch)
tree4175a000078a2fbff6da0291faa16ea592c1281c
parentfbe0b24ca53111208b8ecd920cc112d0be13f93c (diff)
downloadgit-e2b7008752d85874919ea718d098fec01b4a9019.tar.gz
git-e2b7008752d85874919ea718d098fec01b4a9019.tar.xz
Get rid of the dependency on RCS' merge program
Now that we have git-merge-file, an RCS merge lookalike, we no longer need it. So long, merge, and thanks for all the fish! Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Junio C Hamano <junkio@cox.net>
-rw-r--r--.gitignore1
-rw-r--r--Documentation/git-merge-index.txt4
-rw-r--r--INSTALL9
-rwxr-xr-xgit-cvsserver.perl2
-rwxr-xr-xgit-rerere.perl2
-rw-r--r--git.spec.in2
-rw-r--r--merge-file.c75
-rwxr-xr-xt/t0000-basic.sh14
8 files changed, 20 insertions, 89 deletions
diff --git a/.gitignore b/.gitignore
index 7f2cd5508..d706dd92c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -60,6 +60,7 @@ git-mailsplit
git-merge
git-merge-base
git-merge-index
+git-merge-file
git-merge-tree
git-merge-octopus
git-merge-one-file
diff --git a/Documentation/git-merge-index.txt b/Documentation/git-merge-index.txt
index 6cd060108..0cf505ea8 100644
--- a/Documentation/git-merge-index.txt
+++ b/Documentation/git-merge-index.txt
@@ -40,8 +40,8 @@ If "git-merge-index" is called with multiple <file>s (or -a) then it
processes them in turn only stopping if merge returns a non-zero exit
code.
-Typically this is run with the a script calling the merge command from
-the RCS package.
+Typically this is run with the a script calling git's imitation of
+the merge command from the RCS package.
A sample script called "git-merge-one-file" is included in the
distribution.
diff --git a/INSTALL b/INSTALL
index 8f69039fb..b5dd9f0ab 100644
--- a/INSTALL
+++ b/INSTALL
@@ -82,15 +82,6 @@ Issues of note:
do that even if it wasn't for git. There's no point in living
in the dark ages any more.
- - "merge", the standard UNIX three-way merge program. It usually
- comes with the "rcs" package on most Linux distributions, so if
- you have a developer install you probably have it already, but a
- "graphical user desktop" install might have left it out.
-
- You'll only need the merge program if you do development using
- git, and if you only use git to track other peoples work you'll
- never notice the lack of it.
-
- "wish", the Tcl/Tk windowing shell is used in gitk to show the
history graphically
diff --git a/git-cvsserver.perl b/git-cvsserver.perl
index ca519b7e4..55ff83b1a 100755
--- a/git-cvsserver.perl
+++ b/git-cvsserver.perl
@@ -945,7 +945,7 @@ sub req_update
$log->debug("Temporary directory for merge is $dir");
- my $return = system("merge", $file_local, $file_old, $file_new);
+ my $return = system("git merge-file", $file_local, $file_old, $file_new);
$return >>= 8;
if ( $return == 0 )
diff --git a/git-rerere.perl b/git-rerere.perl
index d3664ff49..2e8dbbd4e 100755
--- a/git-rerere.perl
+++ b/git-rerere.perl
@@ -154,7 +154,7 @@ sub find_conflict {
sub merge {
my ($name, $path) = @_;
record_preimage($path, "$rr_dir/$name/thisimage");
- unless (system('merge', map { "$rr_dir/$name/${_}image" }
+ unless (system('git merge-file', map { "$rr_dir/$name/${_}image" }
qw(this pre post))) {
my $in;
open $in, "<$rr_dir/$name/thisimage" or
diff --git a/git.spec.in b/git.spec.in
index f2374b733..fb95e3759 100644
--- a/git.spec.in
+++ b/git.spec.in
@@ -24,7 +24,7 @@ This is a dummy package which brings in all subpackages.
%package core
Summary: Core git tools
Group: Development/Tools
-Requires: zlib >= 1.2, rsync, rcs, curl, less, openssh-clients, expat
+Requires: zlib >= 1.2, rsync, curl, less, openssh-clients, expat
%description core
This is a stupid (but extremely fast) directory content manager. It
doesn't do a whole lot, but what it _does_ do is track directory
diff --git a/merge-file.c b/merge-file.c
index fc9b14899..69dc1ebbf 100644
--- a/merge-file.c
+++ b/merge-file.c
@@ -3,52 +3,6 @@
#include "xdiff-interface.h"
#include "blob.h"
-static void rm_temp_file(const char *filename)
-{
- unlink(filename);
- free((void *)filename);
-}
-
-static const char *write_temp_file(mmfile_t *f)
-{
- int fd;
- const char *tmp = getenv("TMPDIR");
- char *filename;
-
- if (!tmp)
- tmp = "/tmp";
- filename = mkpath("%s/%s", tmp, "git-tmp-XXXXXX");
- fd = mkstemp(filename);
- if (fd < 0)
- return NULL;
- filename = xstrdup(filename);
- if (f->size != xwrite(fd, f->ptr, f->size)) {
- rm_temp_file(filename);
- return NULL;
- }
- close(fd);
- return filename;
-}
-
-static void *read_temp_file(const char *filename, unsigned long *size)
-{
- struct stat st;
- char *buf = NULL;
- int fd = open(filename, O_RDONLY);
- if (fd < 0)
- return NULL;
- if (!fstat(fd, &st)) {
- *size = st.st_size;
- buf = xmalloc(st.st_size);
- if (st.st_size != xread(fd, buf, st.st_size)) {
- free(buf);
- buf = NULL;
- }
- }
- close(fd);
- return buf;
-}
-
static int fill_mmfile_blob(mmfile_t *f, struct blob *obj)
{
void *buf;
@@ -72,22 +26,19 @@ static void free_mmfile(mmfile_t *f)
static void *three_way_filemerge(mmfile_t *base, mmfile_t *our, mmfile_t *their, unsigned long *size)
{
- void *res;
- const char *t1, *t2, *t3;
-
- t1 = write_temp_file(base);
- t2 = write_temp_file(our);
- t3 = write_temp_file(their);
- res = NULL;
- if (t1 && t2 && t3) {
- int code = run_command("merge", t2, t1, t3, NULL);
- if (!code || code == -1)
- res = read_temp_file(t2, size);
- }
- rm_temp_file(t1);
- rm_temp_file(t2);
- rm_temp_file(t3);
- return res;
+ mmbuffer_t res;
+ xpparam_t xpp;
+ int merge_status;
+
+ memset(&xpp, 0, sizeof(xpp));
+ merge_status = xdl_merge(base, our, ".our", their, ".their",
+ &xpp, XDL_MERGE_ZEALOUS, &res);
+
+ if (merge_status < 0)
+ return NULL;
+
+ *size = res.size;
+ return res.ptr;
}
static int common_outf(void *priv_, mmbuffer_t *mb, int nbuf)
diff --git a/t/t0000-basic.sh b/t/t0000-basic.sh
index 81f3bedc9..3260d1d7a 100755
--- a/t/t0000-basic.sh
+++ b/t/t0000-basic.sh
@@ -19,11 +19,7 @@ modification *should* take notice and update the test vectors here.
'
################################################################
-# It appears that people are getting bitten by not installing
-# 'merge' (usually part of RCS package in binary distributions).
-# Check this and error out before running any tests. Also catch
-# the bogosity of trying to run tests without building while we
-# are at it.
+# It appears that people try to run tests without building...
../git >/dev/null
if test $? != 1
@@ -32,14 +28,6 @@ then
exit 1
fi
-merge >/dev/null 2>/dev/null
-if test $? = 127
-then
- echo >&2 'You do not seem to have "merge" installed.
-Please check INSTALL document.'
- exit 1
-fi
-
. ./test-lib.sh
################################################################