Ignore Emacs auto-save files

[topgit.git] / tg.sh

diff --git a/tg.sh b/tg.sh
index 3af2cd8bbbfa78b0f7826192cffab929b4b54586..9d08d636af97b6b4f3ad574b7fa486cca119f7aa 100644 (file)
--- a/tg.sh
+++ b/tg.sh
@@ -3,7 +3,7 @@
 # (c) Petr Baudis <pasky@suse.cz>  2008
 # GPLv2
 
-TG_VERSION=0.7
+TG_VERSION=0.8
 
 ## Auxiliary functions
 
@@ -54,6 +54,8 @@ setup_hook()
        else
                hook_call="exec $hook_call"
        fi
+       # Don't call hook if tg is not installed
+       hook_call="if which \"$tg\" > /dev/null; then $hook_call; fi"
        # Insert call into the hook
        {
                echo "#!/bin/sh"
@@ -126,6 +128,13 @@ branch_annihilated()
        test "$(git rev-parse "$mb^{tree}")" = "$(git rev-parse "$_name^{tree}")";
 }
 
+# is_sha1 REF
+# Whether REF is a SHA1 (compared to a symbolic name).
+is_sha1()
+{
+       [ "$(git rev-parse "$1")" = "$1" ]
+}
+
 # recurse_deps CMD NAME [BRANCHPATH...]
 # Recursively eval CMD on all dependencies of NAME.
 # CMD can refer to $_name for queried branch name,
@@ -136,6 +145,7 @@ branch_annihilated()
 # of the whole function.
 # If recurse_deps() hits missing dependencies, it will append
 # them to space-separated $missing_deps list and skip them.
+# remote dependencies are processed if no_remotes is unset.
 recurse_deps()
 {
        _cmd="$1"; shift
@@ -143,9 +153,9 @@ recurse_deps()
        _depchain="$*"
 
        _depsfile="$(mktemp -t tg-depsfile.XXXXXX)"
-       # Check also our base against remote base. Checking our head
-       # against remote head has to be done in the helper.
-       if has_remote "top-bases/$_name"; then
+       # If no_remotes is unset check also our base against remote base.
+       # Checking our head against remote head has to be done in the helper.
+       if test -z "$no_remotes" && has_remote "top-bases/$_name"; then
                echo "refs/remotes/$base_remote/top-bases/$_name" >>"$_depsfile"
        fi
 
@@ -226,7 +236,7 @@ needs_update()
 # branch_empty NAME
 branch_empty()
 {
-       [ -z "$(git diff-tree "refs/top-bases/$1" "$1" | fgrep -v "     .top")" ]
+       [ -z "$(git diff-tree "refs/top-bases/$1" "$1" -- | fgrep -v "  .top")" ]
 }
 
 # switch_to_base NAME [SEED]
@@ -268,7 +278,8 @@ do_help()
                echo "TopGit v$TG_VERSION - A different patch queue manager"
                echo "Usage: tg [-r REMOTE] ($cmds|help) ..."
        elif [ -r "@cmddir@"/tg-$1 ] ; then
-               @cmddir@/tg-$1 -h || :
+               setup_pager
+               @cmddir@/tg-$1 -h 2>&1 || :
                echo
                if [ -r "@sharedir@/tg-$1.txt" ] ; then
                        cat "@sharedir@/tg-$1.txt"
@@ -302,7 +313,7 @@ setup_pager()
 
 
        # now spawn pager
-       export LESS=${LESS:-FRSX}       # as in pager.c:pager_preexec()
+       export LESS="${LESS:-FRSX}"     # as in pager.c:pager_preexec()
 
        _pager_fifo_dir="$(mktemp -t -d tg-pager-fifo.XXXXXX)"
        _pager_fifo="$_pager_fifo_dir/0"
@@ -340,8 +351,9 @@ setup_hook "pre-commit"
 ## Dispatch
 
 # We were sourced from another script for our utility functions;
-# this is set by hooks.
-[ -z "$tg__include" ] || return 0
+# this is set by hooks.  Skip the rest of the file.  A simple return doesn't
+# work as expected in every shell.  See http://bugs.debian.org/516188
+if [ -z "$tg__include" ]; then
 
 if [ "$1" = "-r" ]; then
        shift
@@ -374,4 +386,6 @@ help|--help|-h)
        . "@cmddir@"/tg-$cmd;;
 esac
 
+fi
+
 # vim:noet