Ignore Emacs auto-save files

[topgit.git] / tg.sh

diff --git a/tg.sh b/tg.sh
index 1f6d3da6aab7949716a71efc8201fa6b62331eed..9d08d636af97b6b4f3ad574b7fa486cca119f7aa 100644 (file)
--- a/tg.sh
+++ b/tg.sh
@@ -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,