myupgradepkg

2 files changed, 55 insertions, 1 deletions

diff --git a/README b/README
index efb01d7..0cabd6a 100644
--- a/README
+++ b/README
@@ -1,4 +1,24 @@
-Python programme to help upgrading Slackware
+* myupgradepkg
+
+Usage: ./myupgradepkg [Slackware packages]
+e. g. ./myupgradepkg */*.txz
+
+Shows what packages are to be installed or upgraded.
+Example output:
+
+upgradepkg /mnt/slack-13.0/slackware/a/pciutils-3.1.3-i486-1.txz # pciutils-2.2.10-i486-2
+upgradepkg /mnt/slack-13.0/slackware/a/pcmciautils-015-i486-2.txz # pcmciautils-015-i486-1
+installpkg /mnt/slack-13.0/slackware/ap/cupsddk-1.2.3-i486-1.txz
+installpkg /mnt/slack-13.0/slackware/ap/dc3dd-6.12.3-i486-1.txz
+# /mnt/slack-13.0/slackware/ap/diffstat-1.43-i486-1.txz # same 
+# /mnt/slack-13.0/slackware/ap/diffutils-2.8.1-i486-3.txz # same 
+upgradepkg /mnt/slack-13.0/slackware/ap/dmapi-2.2.10-i486-1.txz # dmapi-2.2.8_1-i486-1
+
+
+
+* newslack
+
+Python program to help upgrading Slackware
 
 Usage: ./newslack [directory]
 
diff --git a/myupgradepkg b/myupgradepkg
new file mode 100755
index 0000000..6819da6
--- /dev/null
+++ b/myupgradepkg
@@ -0,0 +1,34 @@
+#!/bin/bash
+
+pkgdir='/var/adm/packages'
+
+for f in "$@"; do
+    new=$(basename "$f")
+    new=$(echo "$new" | sed -r 's,\.t(gz|xz|bz2)$,,')
+    name=''; ver=''; arch=''; build=''
+    eval $(echo "$new" | \
+        sed -r 's,^(.+)-([^-]+)-([^-]+)-([^-]+)$,name="\1"\nver="\2"\narch="\3"\nbuild="\4",i' | \
+        grep =)
+
+#    echo $name, $ver, $arch, $build
+
+    pushd "$pkgdir" >/dev/null
+    installed=$(ls "$name"* -1 2>/dev/null | grep -P -- ^"\Q$name\E"'-[^-]+-[^-]+-[^-]+$' )
+    first=$(echo "$installed" | head -n 1)
+    popd >/dev/null
+
+    if [ "$new" == "$first" ]; then
+        echo "# $f # same "
+    elif [ '' == "$first" ]; then
+        echo "installpkg $f"
+    else
+        echo -n "upgradepkg $f #"
+        for p in $installed; do
+            echo -n " $p"
+        done
+        echo
+    fi
+done
+
+exit 0
+