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Allow the built-in exec path to be relative to the command invocation path

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If GIT_EXEC_PATH (the macro that is defined in the Makefile) is relative,
it is interpreted relative to the command's invocation path, which usually
is $(bindir).

The Makefile rules were written with the assumption that $(gitexecdir) is
an absolute path. We introduce a separate variable that names the
(absolute) installation directory.

Signed-off-by: Johannes Sixt <johannes.sixt@telecom.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Johannes Sixt 2008-07-23 21:12:18 +02:00 committed by Junio C Hamano
parent 966c6edd31
commit 49fa65a7a8
2 changed files with 26 additions and 42 deletions
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30
Makefile
View File

@ -170,6 +170,16 @@ ALL_CFLAGS = $(CFLAGS)
ALL_LDFLAGS = $(LDFLAGS)
STRIP ?= strip
# Among the variables below, these:
# gitexecdir
# template_dir
# htmldir
# ETC_GITCONFIG (but not sysconfdir)
# can be specified as a relative path ../some/where/else (which must begin
# with ../); this is interpreted as relative to $(bindir) and "git" at
# runtime figures out where they are based on the path to the executable.
# This can help installing the suite in a relocatable way.
prefix = $(HOME)
bindir = $(prefix)/bin
mandir = $(prefix)/share/man
@ -205,7 +215,7 @@ GITWEB_FAVICON = git-favicon.png
GITWEB_SITE_HEADER =
GITWEB_SITE_FOOTER =
export prefix bindir gitexecdir sharedir htmldir sysconfdir
export prefix bindir sharedir htmldir sysconfdir
CC = gcc
AR = ar
@ -1321,22 +1331,30 @@ template_instdir = $(template_dir)
endif
export template_instdir
ifeq ($(firstword $(subst /, ,$(gitexecdir))),..)
gitexec_instdir = $(bindir)/$(gitexecdir)
else
gitexec_instdir = $(gitexecdir)
endif
gitexec_instdir_SQ = $(subst ','\'',$(gitexec_instdir))
export gitexec_instdir
install: all
$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(bindir_SQ)'
$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(gitexecdir_SQ)'
$(INSTALL) $(ALL_PROGRAMS) '$(DESTDIR_SQ)$(gitexecdir_SQ)'
$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(gitexec_instdir_SQ)'
$(INSTALL) $(ALL_PROGRAMS) '$(DESTDIR_SQ)$(gitexec_instdir_SQ)'
$(INSTALL) git$X git-upload-pack$X git-receive-pack$X git-upload-archive$X '$(DESTDIR_SQ)$(bindir_SQ)'
$(MAKE) -C templates DESTDIR='$(DESTDIR_SQ)' install
$(MAKE) -C perl prefix='$(prefix_SQ)' DESTDIR='$(DESTDIR_SQ)' install
ifndef NO_TCLTK
$(MAKE) -C gitk-git install
$(MAKE) -C git-gui install
$(MAKE) -C git-gui gitexecdir='$(gitexec_instdir_SQ)' install
endif
ifneq (,$X)
$(foreach p,$(patsubst %$X,%,$(filter %$X,$(ALL_PROGRAMS) $(BUILT_INS) git$X)), $(RM) '$(DESTDIR_SQ)$(gitexecdir_SQ)/$p';)
$(foreach p,$(patsubst %$X,%,$(filter %$X,$(ALL_PROGRAMS) $(BUILT_INS) git$X)), $(RM) '$(DESTDIR_SQ)$(gitexec_instdir_SQ)/$p';)
endif
bindir=$$(cd '$(DESTDIR_SQ)$(bindir_SQ)' && pwd) && \
execdir=$$(cd '$(DESTDIR_SQ)$(gitexecdir_SQ)' && pwd) && \
execdir=$$(cd '$(DESTDIR_SQ)$(gitexec_instdir_SQ)' && pwd) && \
if test "z$$bindir" != "z$$execdir"; \
then \
ln -f "$$bindir/git$X" "$$execdir/git$X" || \

38
exec_cmd.c
View File

@ -7,40 +7,6 @@ extern char **environ;
static const char *argv_exec_path;
static const char *argv0_path;
static const char *builtin_exec_path(void)
{
#ifndef __MINGW32__
return GIT_EXEC_PATH;
#else
int len;
char *p, *q, *sl;
static char *ep;
if (ep)
return ep;
len = strlen(_pgmptr);
if (len < 2)
return ep = ".";
p = ep = xmalloc(len+1);
q = _pgmptr;
sl = NULL;
/* copy program name, turn '\\' into '/', skip last part */
while ((*p = *q)) {
if (*q == '\\' || *q == '/') {
*p = '/';
sl = p;
}
p++, q++;
}
if (sl)
*sl = '\0';
else
ep[0] = '.', ep[1] = '\0';
return ep;
#endif
}
const char *system_path(const char *path)
{
if (!is_absolute_path(path) && argv0_path) {
@ -75,7 +41,7 @@ const char *git_exec_path(void)
return env;
}
return builtin_exec_path();
return system_path(GIT_EXEC_PATH);
}
static void add_path(struct strbuf *out, const char *path)
@ -99,7 +65,7 @@ void setup_path(void)
add_path(&new_path, argv_exec_path);
add_path(&new_path, getenv(EXEC_PATH_ENVIRONMENT));
add_path(&new_path, builtin_exec_path());
add_path(&new_path, system_path(GIT_EXEC_PATH));
add_path(&new_path, argv0_path);
if (old_path)