Add a switch for use in conjunction with the INSTALL_SYMLINKS flag
added in ad874608d8 ("Makefile: optionally symlink libexec/git-core
binaries to bin/git", 2018-03-13).
Now it's possible to install git with:
INSTALL_SYMLINKS=YesPlease NO_INSTALL_SYMLINKS_FALLBACK=YesPlease
And know for sure that there's not going to be any silent fallbacks on
hardlinks or copying of files if symlinking fails.
Signed-off-by: Ævar Arnfjörð Bjarmason
---
Makefile | 5
install_programs | 69
2 files changed, 51 insertions(+), 23 deletions(-)
diff --git a/Makefile b/Makefile
index aa6ca1fa68..07c8b74353 100644
--- a/Makefile
+++ b/Makefile
@@ -342,6 +342,10 @@ all::
# within the same directory in some cases, INSTALL_SYMLINKS will
# always symlink to the final target directly.
#
+# Define NO_INSTALL_SYMLINKS_FALLBACK if in conjunction with
+# INSTALL_SYMLINKS if you'd prefer not to have the install procedure
+# fallack on hardlinking or copying if "ln -s" fails.
+#
# 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.
#
@@ -2818,6 +2822,7 @@ endif
--flag-install-symlinks="$(INSTALL_SYMLINKS)" \
--flag-no-install-hardlinks="$(NO_INSTALL_HARDLINKS)" \
--flag-no-cross-directory-hardlinks="$(NO_CROSS_DIRECTORY_HARDLINKS)" \
+
--flag-no-install-symlinks-fallback="$(NO_INSTALL_SYMLINKS_FALLBACK)" \
--list-bindir-standalone="git$X $(filter
$(install_bindir_programs),$(ALL_PROGRAMS))" \
--list-bindir-git-dashed="$(filter
$(install_bindir_programs),$(BUILT_INS))" \
--list-execdir-git-dashed="$(BUILT_INS)" \
diff --git a/install_programs b/install_programs
index 367e9a6cdf..51e08019dd 100755
--- a/install_programs
+++ b/install_programs
@@ -30,6 +30,9 @@ do
--flag-no-cross-directory-hardlinks=*)
NO_CROSS_DIRECTORY_HARDLINKS="${1#--flag-no-cross-directory-hardlinks=}"
;;
+ --flag-no-install-symlinks-fallback=*)
+
NO_INSTALL_SYMLINKS_FALLBACK="${1#--flag-no-install-symlinks-fallback=}"
+ ;;
--list-bindir-standalone=*)
list_bindir_standalone="${1#--list-bindir-standalone=}"
;;
@@ -55,41 +58,61 @@ if test "$bindir/" != "$execdir/"
then
for p in $list_bindir_standalone; do
$RM "$execdir/$p" &&
- test -n "$INSTALL_SYMLINKS" &&
- ln -s "$destdir_from_execdir/$bindir_relative/$p" "$execdir/$p"
||
- { test -z "$NO_INSTALL_HARDLINKS$NO_CROSS_DIRECTORY_HARDLINKS"
&&
- ln "$bindir/$p" "$execdir/$p" ||
- cp "$bindir/$p" "$execdir/$p" || exit; }
+ if test -n "$INSTALL_SYMLINKS" -a -n
"$NO_INSTALL_SYMLINKS_FALLBACK"
+ then
+ ln -s "$destdir_from_execdir/$bindir_relative/$p"
"$execdir/$p"
+ else
+ test -n "$INSTALL_SYMLINKS" &&
+ ln -s "$destdir_from_execdir/$bindir_relative/$p"
"$execdir/$p" ||
+ { test -z
"$NO_INSTALL_HARDLINKS$NO_CROSS_DIRECTORY_HARDLINKS" &&
+ ln "$bindir/$p" "$execdir/$p" ||
+ cp "$bindir/$p" "$execdir/$p" || exit; }
+ fi
done
fi &&
for p in $list_bindir_git_dashed
do
$RM "$bindir/$p" &&
- test -n "$INSTALL_SYMLINKS" &&
- ln -s "git$X" "$bindir/$p" ||
- { test -z "$NO_INSTALL_HARDLINKS" &&
- ln "$bindir/git$X" "$bindir/$p" ||
- ln -s "git$X" "$bindir/$p" ||
- cp "$bindir/git$X" "$bindir/$p" || exit; }
+ if test -n "$INSTALL_SYMLINKS" -a -n "$NO_INSTALL_SYMLINKS_FALLBACK"
+ then
+ ln -s "git$X" "$bindir/$p"
+ else
+ test -n "$INSTALL_SYMLINKS" &&
+ ln -s "git$X" "$bindir/$p" ||
+ { test -z "$NO_INSTALL_HARDLINKS" &&
+ ln "$bindir/git$X" "$bindir/$p" ||
+ ln -s "git$X" "$bindir/$p" ||
+ cp "$bindir/git$X" "$bindir/$p" || exit; }
+ fi
done &&
for p in $list_execdir_git_dashed; do
$RM "$execdir/$p" &&
- test -n "$INSTALL_SYMLINKS" &&
- ln -s "$destdir_from_execdir/$bindir_relative/git$X" "$execdir/$p" ||
- { test -z "$NO_INSTALL_HARDLINKS" &&
- ln "$execdir/git$X" "$execdir/$p" ||
- ln -s "git$X" "$execdir/$p" ||
- cp "$execdir/git$X" "$execdir/$p" || exit; }
+ if test -n "$INSTALL_SYMLINKS" -a -n "$NO_INSTALL_SYMLINKS_FALLBACK"
+ then
+ ln -s "$destdir_from_execdir/$bindir_relative/git$X"
"$execdir/$p"
+ else
+ test -n "$INSTALL_SYMLINKS" &&
+ ln -s "$destdir_from_execdir/$bindir_relative/git$X"
"$execdir/$p" ||
+ {
