Add Gentoo system snapshot script and viewer

3 files changed, 113 insertions, 2 deletions

diff --git a/tools/Makefile b/tools/Makefile
index e42f8bf..f81d083 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -4,7 +4,7 @@ CFLAGS = -std=c99 -Wall -Wextra -pedantic -Os
 LDFLAGS =
 PREFIX ?= /usr/local
 
-all: exofetch colorstagger
+all: exofetch colorstagger snapshot_viewer
 
 exofetch: exofetch.c
 >$(CC) $(CFLAGS) -o $@ $< $(LDFLAGS)
@@ -12,8 +12,11 @@ exofetch: exofetch.c
 colorstagger: colorstagger.c
 >$(CC) $(CFLAGS) -o $@ $< $(LDFLAGS) -lX11
 
+snapshot_viewer: snapshot_viewer.c
+>$(CC) $(CFLAGS) -o $@ $< $(LDFLAGS)
+
 clean:
->rm -f exofetch colorstagger
+>rm -f exofetch colorstagger snapshot_viewer
 
 install: exofetch
 >mkdir -p $(DESTDIR)$(PREFIX)/bin
diff --git a/tools/gentoo_snapshot.sh b/tools/gentoo_snapshot.sh
new file mode 100755
index 0000000..40c4748
--- /dev/null
+++ b/tools/gentoo_snapshot.sh
@@ -0,0 +1,81 @@
+#!/bin/sh
+# gentoo_snapshot.sh - collect a system snapshot on Gentoo/OpenRC systems
+# Usage: gentoo_snapshot.sh [output_file]
+# Default output file is gentoo_snapshot.txt in the current directory.
+
+set -e
+
+OUTPUT=${1:-gentoo_snapshot.txt}
+TMPDIR=$(mktemp -d)
+
+cleanup() {
+    rm -rf "$TMPDIR"
+}
+trap cleanup EXIT
+
+printf "===== Gentoo System Snapshot: %s =====\n" "$(date)" > "$OUTPUT"
+
+printf "\n## Kernel\n" >> "$OUTPUT"
+uname -a >> "$OUTPUT" 2>/dev/null || printf "uname not available\n" >> "$OUTPUT"
+
+printf "\n## CPU\n" >> "$OUTPUT"
+(lscpu 2>/dev/null || printf "lscpu not available\n") >> "$OUTPUT"
+
+printf "\n## Memory\n" >> "$OUTPUT"
+(free -h 2>/dev/null || printf "free not available\n") >> "$OUTPUT"
+
+printf "\n## Block Devices\n" >> "$OUTPUT"
+(lsblk 2>/dev/null || printf "lsblk not available\n") >> "$OUTPUT"
+
+printf "\n## Storage Usage\n" >> "$OUTPUT"
+(df -h 2>/dev/null || printf "df not available\n") >> "$OUTPUT"
+
+# Installed packages
+printf "\n## Installed Packages\n" >> "$OUTPUT"
+if command -v qlist >/dev/null 2>&1; then
+    qlist -I >> "$OUTPUT"
+elif command -v equery >/dev/null 2>&1; then
+    equery list '*' >> "$OUTPUT"
+else
+    printf "Package manager tools (qlist/equery) not found\n" >> "$OUTPUT"
+fi
+
+# OpenRC services
+printf "\n## OpenRC Services\n" >> "$OUTPUT"
+if command -v rc-update >/dev/null 2>&1; then
+    printf "\n### Enabled\n" >> "$OUTPUT"
+    rc-update show | awk '{print $1}' | sort -u >> "$OUTPUT"
+
+    printf "\n### Disabled\n" >> "$OUTPUT"
+    ENAB="$TMPDIR/enabled"
+    ALL="$TMPDIR/all"
+    rc-update show | awk '{print $1}' | sort -u > "$ENAB"
+    ls /etc/init.d 2>/dev/null | sort > "$ALL" || true
+    if [ -s "$ALL" ]; then
+        comm -23 "$ALL" "$ENAB" >> "$OUTPUT" || true
+    else
+        printf "/etc/init.d not accessible\n" >> "$OUTPUT"
+    fi
+else
+    printf "rc-update not found\n" >> "$OUTPUT"
+fi
+
+# Largest files
+printf "\n## Largest Files\n" >> "$OUTPUT"
+(find / -xdev -type f -printf '%s\t%p\n' 2>/dev/null | sort -nr | head -n 20 2>/dev/null || printf "find not available\n") >> "$OUTPUT"
+
+# Cleanup suggestions
+printf "\n## Cleanup Suggestions\n" >> "$OUTPUT"
+if [ -d /var/cache/distfiles ]; then
+    du -sh /var/cache/distfiles 2>/dev/null | awk '{print "Distfiles cache: "$1}' >> "$OUTPUT"
+fi
+if [ -d /var/tmp/portage ]; then
+    du -sh /var/tmp/portage 2>/dev/null | awk '{print "Portage build dir: "$1}' >> "$OUTPUT"
+fi
+printf "Consider running 'eclean packages' and 'eclean distfiles'\n" >> "$OUTPUT"
+
+# Additional information
+printf "\n## Environment\n" >> "$OUTPUT"
+(printenv 2>/dev/null || printf "printenv not available\n") >> "$OUTPUT"
+
+printf "\nSnapshot saved to %s\n" "$OUTPUT" >> "$OUTPUT"
diff --git a/tools/snapshot_viewer.c b/tools/snapshot_viewer.c
new file mode 100644
index 0000000..30ece56
--- /dev/null
+++ b/tools/snapshot_viewer.c
@@ -0,0 +1,27 @@
+#include <stdio.h>
+#include <string.h>
+
+int main(int argc, char *argv[]) {
+    const char *file = (argc > 1) ? argv[1] : "gentoo_snapshot.txt";
+    FILE *fp = fopen(file, "r");
+    if (!fp) {
+        perror("fopen");
+        return 1;
+    }
+
+    char line[1024];
+    while (fgets(line, sizeof line, fp)) {
+        if (strncmp(line, "=====", 5) == 0) {
+            printf("\033[1;32m%s\033[0m", line);
+        } else if (strncmp(line, "##", 2) == 0) {
+            printf("\033[1;34m%s\033[0m", line);
+        } else if (strncmp(line, "###", 3) == 0) {
+            printf("\033[1;36m%s\033[0m", line);
+        } else {
+            fputs(line, stdout);
+        }
+    }
+
+    fclose(fp);
+    return 0;
+}