bin/nit-picker: check if commit is ahead of HEAD

1 files changed, 26 insertions, 0 deletions

diff --git a/bin/nit-picker b/bin/nit-picker
index 50524e9..87c7b92 100755
--- a/bin/nit-picker
+++ b/bin/nit-picker
@@ -87,6 +87,7 @@ while pgrep -x ii >/dev/null \
     printf 'SELECT DISTINCT'
     printf ' "commit",'
     printf '`git_repositories`.`name`,'
+    printf '`git_repositories`.`head`,'
     printf '`package_sources`.`git_revision`'
     printf ' FROM `package_sources`'
     mysql_join_package_sources_upstream_repositories
@@ -96,6 +97,9 @@ while pgrep -x ii >/dev/null \
     printf 'SELECT DISTINCT'
     printf ' "commit",'
     printf '"archlinux32",'
+    # shellcheck disable=SC2154
+    printf '"%s",' \
+      "${repo_heads__archlinux32}"
     printf '`package_sources`.`mod_git_revision`'
     printf ' FROM `package_sources`'
     printf ';\n'
@@ -121,6 +125,8 @@ while pgrep -x ii >/dev/null \
         'commit') # check whether a given commit is present in the git repo
           git_repo="${parameters%% *}"
           git_rev="${parameters#${git_repo} }"
+          git_head="${parameters%% *}"
+          git_rev="${git_rev#${git_head} }"
           eval "$(
             printf 'git_dir="${repo_paths__%s}"\n' \
               "${git_repo}"
@@ -137,6 +143,26 @@ while pgrep -x ii >/dev/null \
               | irc_say
             fi
           fi
+          # shellcheck disable=SC2154
+          if ! git -C "${git_dir}" cat-file -t "${git_head}" 2> /dev/null | \
+            grep -qxF 'commit'; then
+            git -C "${git_dir}" fetch --all -p >/dev/null 2>&1
+            if ! git -C "${git_dir}" cat-file -t "${git_head}" 2> /dev/null | \
+              grep -qxF 'commit'; then
+              printf 'commit %s is missing from repository %s\n' \
+                "${git_head}" \
+                "${git_repo}" \
+              | irc_say
+            fi
+          fi
+          # shellcheck disable=SC2154
+          if ! git -C "${git_dir}" merge-base --is-ancestor "${git_rev}" "${git_head}" 2> /dev/null; then
+            printf 'commit %s is not an ancestor of HEAD %s in repository %s\n' \
+              "${git_rev}" \
+              "${git_head}" \
+              "${git_repo}" \
+            | irc_say
+          fi
         ;;
         'binary-dependencies')
           ${master_mirror_rsync_command} \