topgit: Implement tg-import

[topgit.git] / tg-import.sh

diff --git a/tg-import.sh b/tg-import.sh
new file mode 100644 (file)
index 0000000..6c991c5
--- /dev/null
+++ b/tg-import.sh
@@ -0,0 +1,68 @@
+#!/bin/sh
+# TopGit - A different patch queue manager
+# GPLv2
+
+
+tg_get_commit_msg()
+{
+       commit="$1"
+       git log -1 --pretty=format:"From: %an <%ae>%n%n%s%n%n%b" "$commit"
+}
+
+tg_get_branch_name()
+{
+       # nice sed script from git-format-patch.sh
+       commit="$1"
+       titleScript='
+       s/[^-a-z.A-Z_0-9]/-/g
+        s/\.\.\.*/\./g
+       s/\.*$//
+       s/--*/-/g
+       s/^-//
+       s/-$//
+       q
+'
+       git log -1 --pretty=format:"%s" "$commit" | sed -e "$titleScript"
+}
+
+tg_process_commit()
+{
+       commit="$1"
+       branch_name=$(tg_get_branch_name "$commit")
+       echo "Importing $commit to $branch_name"
+       tg create tp/"$branch_name"
+       git read-tree "$commit"
+       tg_get_commit_msg "$commit" > .topmsg
+       git add -f .topmsg .topdeps
+       git commit -C "$commit"
+}
+
+# nice arg verification stolen from git-format-patch.sh
+for revpair
+do
+       case "$revpair" in
+       ?*..?*)
+               rev1=`expr "z$revpair" : 'z\(.*\)\.\.'`
+               rev2=`expr "z$revpair" : 'z.*\.\.\(.*\)'`
+               ;;
+       *)
+               die "Unknow range spec $revpair"
+               ;;
+       esac
+       git rev-parse --verify "$rev1^0" >/dev/null 2>&1 ||
+               die "Not a valid rev $rev1 ($revpair)"
+       git rev-parse --verify "$rev2^0" >/dev/null 2>&1 ||
+               die "Not a valid rev $rev2 ($revpair)"
+       git cherry -v "$rev1" "$rev2" |
+       while read sign rev comment
+       do
+               case "$sign" in
+               '-')
+                       info "Merged already: $comment"
+                       ;;
+               *)
+                       tg_process_commit "$rev"
+                       ;;
+               esac
+       done
+done