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[Openvpn-devel,S] Change in openvpn[master]: configure: Allow to detect git checkout if .git is not a directory

Message ID dd79c388c2583697b461fa3b536431b47dbe1ecc-HTML@gerrit.openvpn.net
State Superseded
Headers show
Series [Openvpn-devel,S] Change in openvpn[master]: configure: Allow to detect git checkout if .git is not a directory | expand

Commit Message

flichtenheld (Code Review) July 10, 2024, 1:57 p.m. UTC 
Attention is currently required from: plaisthos.

Hello plaisthos,

I'd like you to do a code review.
Please visit

    http://gerrit.openvpn.net/c/openvpn/+/675?usp=email

to review the following change.


Change subject: configure: Allow to detect git checkout if .git is not a directory
......................................................................

configure: Allow to detect git checkout if .git is not a directory

E.g. if you use openvpn as a git submodule, it can be a
file that points to the parent's git directory.

The changes to Makefile.am are not strictly required, they
still work with that case, but I wanted to keep the usage
consistent.

Change-Id: I9b7a3df012e7606ddb04a944e3fa33247180e8dd
Signed-off-by: Frank Lichtenheld <frank@lichtenheld.com>
---
M Makefile.am
M configure.ac
2 files changed, 8 insertions(+), 6 deletions(-)



  git pull ssh://gerrit.openvpn.net:29418/openvpn refs/changes/75/675/1
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Patch

diff --git a/Makefile.am b/Makefile.am
index 87230fe..84b7112 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -75,9 +75,9 @@ 
 	README.wolfssl
 
 config-version.h:
-	@CONFIGURE_GIT_CHFILES="`GIT_DIR=\"$(top_srcdir)/.git\" $(GIT) diff-files --name-status -r --ignore-submodules --quiet -- || echo \"+\"`"; \
-	CONFIGURE_GIT_UNCOMMITTED="`GIT_DIR=\"$(top_srcdir)/.git\" $(GIT) diff-index --cached  --quiet --ignore-submodules HEAD || echo \"*\"`"; \
-	CONFIGURE_GIT_REVISION="`GIT_DIR=\"$(top_srcdir)/.git\" $(GIT) rev-parse --symbolic-full-name HEAD | cut -d/ -f3-`/`GIT_DIR=\"$(top_srcdir)/.git\" $(GIT) rev-parse --short=16 HEAD`"; \
+	@CONFIGURE_GIT_CHFILES="`$(GIT) -C \"$(top_srcdir)\" diff-files --name-status -r --ignore-submodules --quiet -- || echo \"+\"`"; \
+	CONFIGURE_GIT_UNCOMMITTED="`$(GIT) -C \"$(top_srcdir)\" diff-index --cached  --quiet --ignore-submodules HEAD || echo \"*\"`"; \
+	CONFIGURE_GIT_REVISION="`$(GIT) -C \"$(top_srcdir)\" rev-parse --symbolic-full-name HEAD | cut -d/ -f3-`/`$(GIT) -C \"$(top_srcdir)\" rev-parse --short=16 HEAD`"; \
 	echo "#define CONFIGURE_GIT_REVISION \"$${CONFIGURE_GIT_REVISION}\"" > config-version.h.tmp; \
 	echo "#define CONFIGURE_GIT_FLAGS \"$${CONFIGURE_GIT_CHFILES}$${CONFIGURE_GIT_UNCOMMITTED}\"" >> config-version.h.tmp
 
diff --git a/configure.ac b/configure.ac
index 3e7c0be..75c0aa9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1284,9 +1284,11 @@ 
 
 AC_MSG_CHECKING([git checkout])
 GIT_CHECKOUT="no"
-if test -n "${GIT}" -a -d "${srcdir}/.git"; then
-	AC_DEFINE([HAVE_CONFIG_VERSION_H], [1], [extra version available in config-version.h])
-	GIT_CHECKOUT="yes"
+if test -n "${GIT}"; then
+	if ${GIT} -C "$srcdir" rev-parse --is-inside-work-tree >/dev/null 2>&1; then
+		AC_DEFINE([HAVE_CONFIG_VERSION_H], [1], [extra version available in config-version.h])
+		GIT_CHECKOUT="yes"
+	fi
 fi
 AC_MSG_RESULT([${GIT_CHECKOUT}])