X-Git-Url: https://feistymeow.org/gitweb/?p=feisty_meow.git;a=blobdiff_plain;f=scripts%2Frev_control%2Fversion_control.sh;fp=scripts%2Frev_control%2Fversion_control.sh;h=7dd199f4c44632623c3d3b123ffda0909b12983e;hp=0a6ee8fe73d0a99761695d35a08e5325715a7ee5;hb=e7b713d468feee8c4740708f21246e0d27fb35cc;hpb=8dcf545d60ddbc4834a9350d9eccf2390226ffc8

diff --git a/scripts/rev_control/version_control.sh b/scripts/rev_control/version_control.sh
index 0a6ee8fe..7dd199f4 100644
--- a/scripts/rev_control/version_control.sh
+++ b/scripts/rev_control/version_control.sh
@@ -9,8 +9,6 @@
 source "$FEISTY_MEOW_SCRIPTS/core/launch_feisty_meow.sh"
 source "$FEISTY_MEOW_SCRIPTS/tty/terminal_titler.sh"
 
-#hmmm: we need to dump all the outputs in this script into splitter
-
 ##############
 
 # the maximum depth that the recursive functions will try to go below the starting directory.
@@ -78,10 +76,7 @@ function do_checkin()
     if test_writeable ".git"; then
       $blatt
 
-# classic implementation, but only works with one master branch.
-# fixes will be forthcoming from development branch.
-
-      # snag all new files.  not to everyone's liking.
+      # put all changed and new files in the commit.  not to everyone's liking.
       git add --all .
       test_or_die "git add all new files"
 
@@ -91,10 +86,17 @@ function do_checkin()
         git commit .
         test_or_die "git commit"
       fi
-      # upload the files to the server so others can see them.
-      git push 2>&1 | grep -v "X11 forwarding request failed"
-      if [ ${PIPESTATUS[0]} -ne 0 ]; then false; fi
+
+      # a new set of steps we have to take to make sure the branch integrity is good.
+      do_careful_git_update "$(\pwd)"
+
+      # we continue on to the push, even if there were no changes this time, because
+      # there could already be committed changes that haven't been pushed yet.
+
+      # upload any changes to the upstream repo so others can see them.
+      git push origin "$(my_branch_name)" 2>&1 | grep -v "X11 forwarding request failed" | $TO_SPLITTER
       test_or_die "git push"
+
     fi
   else
     # nothing there.  it's not an error though.
@@ -104,7 +106,7 @@ function do_checkin()
 
   restore_terminal_title
 
-  true;
+  return 0
 }
 
 # shows the local changes in a repository.
@@ -132,7 +134,7 @@ function do_diff
 
   restore_terminal_title
 
-  true;
+  return 0
 }
 
 # reports any files that are not already known to the upstream repository.
@@ -160,7 +162,7 @@ function do_report_new
 
   restore_terminal_title
 
-  true
+  return 0
 }
 
 # checks in all the folders in a specified list.
@@ -217,17 +219,109 @@ function squash_first_few_crs()
   fi
 }
 
+#hmmm: the below are git specific and should be named that way.
+
+function all_branch_names()
+{
+  echo "$(git branch -vv | cut -d ' ' -f2)"
+}
+
 # a helpful method that reports the git branch for the current directory's
 # git repository.
 function my_branch_name()
 {
-  echo "$(git branch | grep \* | cut -d ' ' -f2)"
+  echo "$(git branch -vv | grep '\*' | cut -d ' ' -f2)"
 }
 
+#this had a -> in it at one point for not matching, didn't it?
 # this reports the upstream branch for the current repo.
-function parent_branch_name()
+##function parent_branch_name()
+##{
+  ##echo "$(git branch -vv | grep \* | cut -d ' ' -f2)"
+##}
+
+# reports the status of the branch by echoing one of these values:
+#   okay: up to date and everything is good.
+#   needs_pull: this branch needs to be pulled from origins.
+#   needs_push: there are unsaved changes on this branch to push to remote store.
+#   diverged: the branches diverged and are going to need a merge.
+# reference: https://stackoverflow.com/questions/3258243/check-if-pull-needed-in-git
+function check_branch_state()
 {
-  echo "$(git branch -vv | grep \* | cut -d ' ' -f2)"
+  local branch="$1"; shift
+
+  local to_return=120  # unknown issue.
+
+  local local_branch=$(git rev-parse @)
+  local remote_branch=$(git rev-parse "$branch")
+  local merge_base=$(git merge-base @ "$branch")
+
+  if [ "$local_branch" == "$remote_branch" ]; then
+    echo "okay"
+  elif [ "$local_branch" == "$merge_base" ]; then
+    echo "needs_pull"
+  elif [ "$remote_branch" == "$merge_base" ]; then
+    echo "needs_push"
+  else
+    echo "diverged"
+  fi
+
+  return $to_return
+}
+
+# the git update process just gets more and more complex when you bring in
+# branches, so we've moved this here to avoid having a ton of code in the
+# other methods.
+function do_careful_git_update()
+{
+  local directory="$1"; shift
+  pushd "$directory" &>/dev/null
+  test_or_die "changing to directory: $directory"
+
+  if [ ! -d ".git" ]; then
+    # we ignore if they're jumping into a non-useful folder, but also tell them.
+    echo "Directory is not a git repository: $directory"
+    return 0
+  fi
+
+  # first update all our remote branches to their current state from the repos.
+  git remote update
+  test_or_die "git remote update"
+
+  local this_branch="$(my_branch_name)"
+#appears to be useless; reports no changes when we need to know about remote changes that do exist:
+#hmmm: trying it out again now that things are better elsewhere.  let's see what it says.
+  state=$(check_branch_state "$this_branch")
+  echo "=> branch '$this_branch' state is: $state"
+
+  # this code is now doing what i have to do when i repair the repo.  and it seems to be good so far.
+  local branch_list=$(all_branch_names)
+  local bran
+  for bran in $branch_list; do
+#    echo "synchronizing remote branch: $bran"
+    git checkout "$bran"
+    test_or_die "git switching checkout to remote branch: $bran"
+
+    state=$(check_branch_state "$bran")
+    echo "=> branch '$bran' state is: $state"
+
+    remote_branch_info=$(git ls-remote --heads origin $bran 2>/dev/null)
+    if [ ! -z "$remote_branch_info" ]; then
+      # we are pretty sure the remote branch does exist.
+      git pull --no-ff origin "$bran"
+    fi
+    test_or_die "git pull of remote branch: $bran"
+  done
+  # now switch back to our branch.
+  git checkout "$this_branch"
+  test_or_die "git checking out our current branch: $this_branch"
+
+  # now pull down any changes in our own origin in the repo, to stay in synch
+  # with any changes from others.
+  git pull --no-ff --all
+  test_or_die "git pulling all upstream"
+
+  popd &>/dev/null
 }
 
 # gets the latest versions of the assets from the upstream repository.
@@ -260,14 +354,9 @@ function do_update()
   elif [ -d ".git" ]; then
     if test_writeable ".git"; then
       $blatt
-
-# classic implementation, but only works with one master branch.
-# fixes will be forthcoming from development branch.
-
-      git pull 2>&1 | grep -v "X11 forwarding request failed" | $TO_SPLITTER
+      git pull --no-ff 2>&1 | grep -v "X11 forwarding request failed" | $TO_SPLITTER
       if [ ${PIPESTATUS[0]} -ne 0 ]; then false; fi
-      test_or_die "git pull"
-
+      test_or_die "git pull of origin without fast forwards"
     fi
   else
     # this is not an error necessarily; we'll just pretend they planned this.
@@ -277,7 +366,7 @@ function do_update()
 
   restore_terminal_title
 
-  true
+  return 0
 }
 
 # gets all the updates for a list of folders under revision control.
@@ -350,16 +439,27 @@ function perform_revctrl_action_on_file()
 
   save_terminal_title
 
+  local did_anything=
+
   while read -u 3 dirname; do
-    if [ -z "$dirname" ]; then continue; fi
+    if [ -z "$dirname" ]; then
+      # we often have blank lines in the input file for some reason.
+      continue
+    fi
+    did_anything=yes
     pushd "$dirname" &>/dev/null
     echo "[$(pwd)]"
-    $action .
+    # pass the current directory plus the remaining parameters from function invocation.
+    $action . $*
     test_or_die "performing action $action on: $(pwd)"
     sep 28
     popd &>/dev/null
   done 3<"$tempfile"
 
+  if [ -z "$did_anything" ]; then
+    echo "There was nothing to do the action '$action' on."
+  fi
+
   restore_terminal_title
 
   rm $tempfile