Make templates honour SHELL_PATH and PERL_PATH

The hook script templates were hard coded to use /bin/sh and perl.
This patch ensures that they use the same tools specified for the rest
of the suite.

The impetus for the change was noticing that, as shipped, some of the
hooks used shell constructs that wouldn't work under Solaris' /bin/sh
(eg: $(cmd...) substitutions).

Signed-off-by: Ben Walton <bwalton@artsci.utoronto.ca>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Makefile b/Makefile
index 7c616f8..86638de 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1469,7 +1469,7 @@ endif
 ifndef NO_PYTHON
        $(QUIET_SUBDIR0)git_remote_helpers $(QUIET_SUBDIR1) PYTHON_PATH='$(PYTHON_PATH_SQ)' prefix='$(prefix_SQ)' all
 endif
-       $(QUIET_SUBDIR0)templates $(QUIET_SUBDIR1)
+       $(QUIET_SUBDIR0)templates $(QUIET_SUBDIR1) SHELL_PATH='$(SHELL_PATH_SQ)' PERL_PATH='$(PERL_PATH_SQ)'
 
 please_set_SHELL_PATH_to_a_more_modern_shell:
        @$$(:)

diff --git a/templates/Makefile b/templates/Makefile
index 408f013..d22a71a 100644 (file)
--- a/templates/Makefile
+++ b/templates/Makefile
@@ -11,6 +11,16 @@ prefix ?= $(HOME)
 template_instdir ?= $(prefix)/share/git-core/templates
 # DESTDIR=
 
+ifndef SHELL_PATH
+       SHELL_PATH = /bin/sh
+endif
+ifndef PERL_PATH
+       PERL_PATH = perl
+endif
+
+SHELL_PATH_SQ = $(subst ','\'',$(SHELL_PATH))
+PERL_PATH_SQ = $(subst ','\'',$(PERL_PATH))
+
 # Shell quote (do not use $(call) to accommodate ancient setups);
 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
 template_instdir_SQ = $(subst ','\'',$(template_instdir))
@@ -33,8 +43,11 @@ boilerplates.made : $(bpsrc)
                case "$$boilerplate" in \
                *--) continue;; \
                esac && \
-               cp $$boilerplate blt/$$dst && \
-               if test -x "blt/$$dst"; then rx=rx; else rx=r; fi && \
+               sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
+                   -e 's|@SHELL_PATH@|$(SHELL_PATH_SQ)|' \
+                   -e 's|@PERL_PATH@|$(PERL_PATH_SQ)|g' $$boilerplate > \
+                       blt/$$dst && \
+               if test -x "$$boilerplate"; then rx=rx; else rx=r; fi && \
                chmod a+$$rx "blt/$$dst" || exit; \
        done && \
        date >$@

diff --git a/templates/hooks--pre-rebase.sample b/templates/hooks--pre-rebase.sample
index be1b06e..ab1c4c8 100755 (executable)
--- a/templates/hooks--pre-rebase.sample
+++ b/templates/hooks--pre-rebase.sample
@@ -65,7 +65,7 @@ then
        fi
 else
        not_in_next=`git-rev-list --pretty=oneline ^${publish} "$topic"`
-       perl -e '
+       @PERL_PATH@ -e '
                my $topic = $ARGV[0];
                my $msg = "* $topic has commits already merged to public branch:\n";
                my (%not_in_next) = map {

diff --git a/templates/hooks--prepare-commit-msg.sample b/templates/hooks--prepare-commit-msg.sample
index 3652424..e8d1754 100755 (executable)
--- a/templates/hooks--prepare-commit-msg.sample
+++ b/templates/hooks--prepare-commit-msg.sample
@@ -22,10 +22,10 @@
 
 case "$2,$3" in
   merge,)
-    perl -i.bak -ne 's/^/# /, s/^# #/#/ if /^Conflicts/ .. /#/; print' "$1" ;;
+    @PERL_PATH@ -i.bak -ne 's/^/# /, s/^# #/#/ if /^Conflicts/ .. /#/; print' "$1" ;;
 
 # ,|template,)
-#   perl -i.bak -pe '
+#   @PERL_PATH@ -i.bak -pe '
 #      print "\n" . `git diff --cached --name-status -r`
 #       if /^#/ && $first++ == 0' "$1" ;;